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  1. [SOLVED] Group Theory For Dummies
  2. Algorithm for matrix inversion
  3. "Bohemian" Intellectual Mathematics and Occultism
  4. Proof by Induction
  5. Is this correct
  6. [SOLVED] Another Proof
  7. Euclidean algorithm
  8. [SOLVED] Prove it
  9. Prove Divisibility
  10. Prime Number Distribution Solved?
  11. Divisibility of "c" by "a "and "b" but not "ab".
  12. Matrix Multiplication and Commuting
  13. Computing cohomolgy groups
  14. Matrices and Matrix Calculations of Linear Algebra
  15. Understanding Permutations
  16. This question. Calculus
  17. linear algebra
  18. Dihedral Group of Order 8
  19. M's
  20. Find A Permutation of order 6 in S5
  21. help
  22. Eigenvalues and Eigenvectors
  23. Group Theory: Find the order of ....
  24. Linear Algebra
  25. Groupy Theory: Cosets
  26. Really big equation systems...
  27. Benediktov Problem
  28. Elementary Row Operations on Matrices
  29. Finite Group
  30. cross product question
  31. Semi-direct product
  32. Proving
  33. Linear algebra trouble
  34. Permutations and Transpositions
  35. geometric algebra
  36. group algebras of D4 and Q8.. please help!!
  37. Proving #2
  38. 3D Geometric Algebra
  39. the group of invertible 2 by 2 matrices
  40. Linear question...
  41. How would i show this?
  42. Lie groups
  43. Inverting 3 by 3 matricies
  44. Dimension
  45. Help : Linear Transformations
  46. Hello
  47. Solutions of matrices
  48. smallest non-solvable group
  49. Subspaces
  50. Lines and Planes
  51. nonexistent eigenvalue
  52. Prooving...
  53. Equipotential Lines
  54. secular matrix
  55. A simple Question!
  56. Klein and Cyclic group
  57. general Clebsch-Gordan coefficients
  58. Gauss-Jordan Elimination
  59. How do I do this?
  60. order of elements in a group
  61. On proving real vector spaces (subspaces)
  62. Vector Transformation
  63. |ab|=|ba| in a group
  64. induction problem
  65. Proofs: If a|b then -a|b, a|-b, -a|-ab
  66. polynomial equation
  67. Clifford Algebra Question on Vectors
  68. Vector Spaces
  69. explain true of false
  70. What are Isomorphisms
  71. find a linear differentiation transformation
  72. simultaneous confusion
  73. Guassian elimination and Inverse Matrix
  74. Row Reduction with Variables
  75. different coordinate system to sketch (x-2y)=sin(pi(x+y))
  76. group theory: point group of a cube
  77. Anyone familiar with Peano' (or Grassman) algebra?
  78. matrix manipulation (adding to a matrix)
  79. Singular Matrices
  80. Commutator Confusion
  81. Vector Space Question
  82. find 3x3 rotation matrix
  83. normal subgroup thm
  84. 4x4 Matrix
  85. Matrix decomposition
  86. Determinant=0 and invertibility
  87. Square matrices, determinants and consistency
  88. vector space proof
  89. Formulas For Linear Functions. Can Anyone Please Help Me Understand This Problem?
  90. Quadriatic Regression Problem
  91. Help Plz
  92. Conjugacy in A_n
  93. Finding Non-abelian Groups
  94. help needed !!!!!
  95. spanning sets, eigenvalues, eigenvectors etc.....
  96. Geometric App's of Linear Algebra
  97. Partition of Symmetry Group.
  98. def. of unitary
  99. help finding units in a ring
  100. Homogenous Equation HELP!
  101. Homogeneous Equation (easier question)
  102. Cohomologies?
  103. Def.: Continuously Indexed Vector Basis?
  104. Infinite Order!
  105. spanning?
  106. How to convert polynomial to matrix???
  107. The form of a Matrix M help.
  108. Relationship between Linear Algebra and Differential equations
  109. vector transformation
  110. Ti89...
  111. General Solutions for three-point parabola
  112. Plane-plane intersection?
  113. Anyone able to help with these vectors geometry and planes questions?
  114. ring homomorphisms and ideals
  115. Non-constructible number
  116. Q not finitely generated
  117. Permutations
  118. Prove or Disprove
  119. solving linear equations
  120. Playing with operators
  121. Hmp
  122. toughie about multiple roots..
  123. sufficiency of n eqs. for n unkwns.
  124. quadratic
  125. necessary and sufficient condition
  126. circle composition operator / Jacobson Radical
  127. Annihilator
  128. Find Equation for Parabola-Help, Please?
  129. Looking for a good abstract book..
  130. linear trans.
  131. Displaying a Matrix-Vector Eq with LaTeX
  132. complex matrix problem
  133. Groups. I am stumped again.
  134. Linear Algebra starter books
  135. Linear Equations
  136. Intergration: Algebra, Writing Equations of Lines
  137. Partial Fractions..
  138. Need Explination (linear Indpendance)
  139. non-linear independance
  140. A Lie guiding
  141. Matrix/Determinant/Inverse Q's
  142. Determinant = volume using rows.
  143. Best introductory book to senior algebra
  144. vector space... help!!!!
  145. Looking for Online Document on SO(N)
  146. Need help Proving quadriatic equation
  147. Polynomials:proof
  148. Help with making an orthonormal basis
  149. frobenius norm
  150. Cube fitting
  151. Ideas on what this transformation is doing?
  152. coefficients of a matrix
  153. group theory - misprint?
  154. Spectra of Rings
  155. A Difficult Equation
  156. hamiltonian
  157. linear systems in physics
  158. 3D graphics: finding optimal view of a scene with constraints
  159. Cosets
  160. linear algebra book and other questions
  161. please, some help on the 36-officers problem
  162. Determining polynomials
  163. Showing Two Groups are Isomorphic
  164. Solving for the Determinent of a Matrix
  165. Quindecagon... please help
  166. Polynomial inequality
  167. Matrix Philosophy
  168. pi+e
  169. LU Split
  170. Basis for the intersection of two spans
  171. Choleski Split
  172. Second norm of matrix
  173. Help solving a system of linear equations
  174. A simple Matrix question...
  175. Adding vector magnitudes
  176. Vector spaces
  177. Dimension
  178. Please help
  179. I wont to learn the logic behind a determinant
  180. Inverse of Matrices
  181. More algebraic geometry questions
  182. error in "Byron and Fuller"
  183. Matrices: Technical Questions
  184. need help with this!!
  185. [MUST READ] This forum is not for homework questions.
  186. Ring, field
  187. Trouble w/ Maximal Principle (Zorn's Lemma)
  188. Euler Circuits
  189. Frustrating step in a proof -- basic abstract algebra
  190. Help me figure this one out!!!
  191. Three-way arrays
  192. How does [e^([pi]i)]+1=0?
  193. computing distances
  194. Cartesian equations...
  195. Proof Help!! Spans!!
  196. Sum of a series
  197. Properties of GCD
  198. Simple Demostration
  199. Function Space question:
  200. Dedekind cuts
  201. I need help with a force question
  202. Singular / nonsingular question
  203. yet another proof
  204. abstract alg - SL(2,Z3)
  205. Abelian
  206. Proof TIME! yey....
  207. Permutations Question
  208. Another Permutation Question
  209. i need help with an inequality question
  210. Adjoint
  211. any sites for abstract Linear and non-Linear algerbra?
  212. Vector subspace question
  213. Plane intersection
  214. How many elements of order 5 are in S7?
  215. external direct products
  216. Trouble w/ Lemma
  217. Vectors having many dimensions
  218. pseudovectors
  219. Tension Vectors - Grade 12 Algeo
  220. Group Theory Intro stuff
  221. Help with solving a polynomial
  222. Ax=0 be inconsistent?
  223. Quick Matrix Clarification
  224. recursion equation
  225. Inverse of cubic functions
  226. An interesting matrix identity problem
  227. Convergence of matrix equations
  228. Matrix Question
  229. Question about finding the right inverse of a matirx
  230. Intersection of two lines
  231. Orthogonality of Functions
  232. Need Help with Abstract Algebra Please
  233. Question about permutations
  234. Embarassing question about eigenvectors
  235. Embarassing question about eigenvectors
  236. Commuting Invertible Matrices
  237. Vector spaces
  238. Clarification of Permuatation Question
  239. projection
  240. Semigroups
  241. Unitary equivalence question
  242. Set of units forming a group
  243. Question: Elements of Order 2 in Finite Abelian Group
  244. Isomorphism
  245. Normal subgroups - help me please
  246. Finding all solutions of Ax = y...
  247. closure of a bounded set
  248. Homework help!
  249. Please help to prove this theorem
  250. Uniqueness of Splitting Fields
  251. 4x4 determinant
  252. dimension of a subspace
  253. orthonormal
  254. Please help me prove this (desperate)
  255. Got a bizzare question, appreciate any hints
  256. Help!! System of equations!
  257. Laplace Expansion
  258. A positive definite Hermitian Form
  259. Vector Proof
  260. Gram Schmidt Orthonormalization
  261. determinant and its transpose
  262. Vector Operations in Polar Coordinates?
  263. Equation solver over Lattice
  264. Coordinate transformation matrix?
  265. Inverse Matrix Proof
  266. Column Spaces
  267. What's the order of THIS group?
  268. The closest point in the plane
  269. The dot product
  270. close to singular
  271. Matrixes help
  272. Group actions/operations?
  273. repeated eigenvalues?
  274. Write the system in equation form?
  275. Linear Functions
  276. Invariant subspaces
  277. permutation groups
  278. A question of principles.
  279. Ordered fields
  280. System of Equations
  281. Linear Algebra HELP
  282. Polynomial/Field problem
  283. Ring Homomorphism Question
  284. how to find automorphism?
  285. question about cosets...
  286. a bit of trouble with Galois groups
  287. More automorphisms
  288. eigenvalues problem
  289. Nullspace and Column Space Question
  290. isomorphisms
  291. Homomorphisms
  292. Another homomorphism question
  293. 7 iso and hom questions
  294. Homomorphisms
  295. Please Help!
  296. Lie group (additional condition)
  297. Recommended Texts...
  298. Question about Hamming Codes
  299. Groups, Rings, Fields???
  300. Deducing equations
  301. Linear Combinations
  302. vectors property
  303. permutation 3 (brace yourself)
  304. a diophantine puzzle for students
  305. so exactly what am I doing here?
  306. Is this a field?
  307. proving irreducibility
  308. orthogonal projection, orthonormal basis, coordinate vector of the polynomial?
  309. Permutations and Transpositions
  310. 8 permutations that commute....
  311. permutations3
  312. Total potential energy in matrix
  313. Constraint equations [QUICK HELP IS NEEDED!!!]
  314. Quantum Matrices
  315. Linear Help Asap
  316. how to proove this
  317. Eigenvalue
  318. LUB and Nested Interval Equivalancy
  319. Euclidian space definition
  320. surjective and bijective mapping
  321. Pseudoinverse
  322. Help me pick the better textbook
  323. ?!? (need help as soon as possible, thx)
  324. vector spaces...
  325. is there a formula for this?
  326. Determinant with cosines
  327. Can Someone explain Dedikind cuts?
  328. Abstract Algebra book suggestions...
  329. Go easy on me...I'm a biologist
  330. HW Question
  331. Hilbert space and infinite norm vectors
  332. Some clarification on upper triangular matrices please.
  333. A question on homomorphisms
  334. Anoter question on vector spaces an rationnal numbers
  335. Parallelogram Equality+Inner Product Spaces
  336. Question in test
  337. homeomorphism
  338. Fields and Subfields
  339. [SOLVED] Sharipov's linear algebra textbook...
  340. linear dynamical systems
  341. eigen values
  342. diagonizable
  343. Coordinates of vector to the base
  344. Subspaces
  345. system of linear equations
  346. Image and kernel of T^n
  347. linear (in)dependence
  348. introduction to Lie Groups?
  349. theorem about symmetric matrices?
  350. Primes in ring of Gauss integers - help!!
  351. Diagonalize a Matrix A - Normalize eigenvectors
  352. another complex system of linear equations
  353. Materials : Rotation Matrix transformation using misorientation
  354. Interpolating Rotation Matrices
  355. Scalar multiplication(vectors)
  356. Gaussian Elimination
  357. matrix
  358. solution set
  359. Ripped off!
  360. hilbert space??
  361. independence test
  362. Hw Help- Linear Algebra
  363. Eigenvector Algor differences?
  364. root 3 + root 2
  365. Transportation model
  366. Fields- a couple of questions
  367. linear algebra basis question
  368. linear transformations
  369. belonging to row space
  370. linear independence over Z
  371. Can someone check if I did this right?
  372. Rn Rm
  373. prove that any 2x2 matrices.....
  374. equality of spans
  375. matrix rep. of Linear Transformation
  376. lin. transf. and linear independence
  377. proof help
  378. The group U_n
  379. Groups Theory Proof
  380. "How many?"-question
  381. Uniqueness Theorem for homogenous linear ODEs
  382. Vector Space operations
  383. Solve this system of equations
  384. a group theoretic puzzle in solid geometry
  385. Vector Spaces
  386. numerical LA: Cholesky & Conjugate gradient method
  387. Minimal and characteristic polynomial
  388. need some urgent help with basic complex variables (no proofs)
  389. A-orthogonal vector set
  390. Rational Canonical Form
  391. Basic Group Theory
  392. applications ???
  393. Hypercomplex numbers
  394. matrix question
  395. multiplicative groups
  396. Sylow Question
  397. finite fields
  398. idempotent elements
  399. related to inverses
  400. Systems of equations - consistency
  401. diagonalizing a 3x3 second derivative matrix
  402. Group Theory
  403. irrationaltiy of sqrt(2)
  404. euclidean domains
  405. coord vectors for polynomials
  406. degree of this number
  407. Isomorphism proof help/hint
  408. ideals
  409. Generating Set for the Symmetric Group - Question
  410. Continuity
  411. irreducible elements
  412. Sylow Subgroups
  413. Proof of composite linear transformations
  414. hairy billiard balls and eigenvectors
  415. partially ordered set
  416. Center of a Lie algebra
  417. bases and coord systems
  418. Finding the inverse of matrices
  419. eigenvalues
  420. Is this irreducible?
  421. standard-basis?
  422. Does matrix A belong to span(A_1,A_2,...)
  423. eigenvalues redux
  424. rank question
  425. Proof problem, help!
  426. for what values of paramater form a spanning set for P3
  427. Plan of attack for showing irreducibility?
  428. Vector, Sub, Column, and Row Spaces
  429. group theory
  430. here's one more...
  431. More group theory!
  432. degree of matrices
  433. what is this notation?
  434. groups again
  435. Isomorphisms
  436. help!
  437. Eigenvectors and using them in matrix algebra.
  438. singularity
  439. Regular Representation
  440. Surgery Obstruction Groups
  441. Handling Singular matrices in Algorithms
  442. Fields- strange problem
  443. 2-dimensional cross product
  444. Groups
  445. Fields- again
  446. Perpendicular Lines in Three Space
  447. group
  448. eigenvalues of the square of an operator
  449. Linear Systems
  450. Natural Group Homomorphism
  451. Question about vector space l^p
  452. A.B= m1, B.A=m2, m1 and m2 diagonal matrices
  453. Basic Proof
  454. kernel of a field homomorphism
  455. eigenspace and lin dependency proof
  456. o(ab) when o(a) and o(b) are relatively prime
  457. Module Homomorphisms
  458. Solution Sets and Linear Equations
  459. Proving isomorphism
  460. Coding Theory.
  461. Separable extensions
  462. Proof-U=e^A
  463. multiplicity and dimension
  464. natural isomorphism of VxV* and End(V)
  465. simple module
  466. proving another isomorphism
  467. Help! linear algebra Q
  468. An easy question about cartesian product
  469. prove that inv(G) is a group. G is a monoid...
  470. Representations
  471. S(n) is not abelian...
  472. "right ideals"
  473. linear transformation, show surjection and ker=0.
  474. Are these two fields equal
  475. Natural transformation
  476. linear algebra questions
  477. Permutation Group
  478. Anyone up for Balancing DIV?
  479. Nabla operator to geometric product
  480. Finite groups and order of their elements
  481. Determinat of a "continous" matrix?
  482. Operator change of basis (QM / QI)
  483. Intersection of cyclic subgroups
  484. Field extensions
  485. General Definition of Relatively prime
  486. T-invariant Subspaces
  487. related to orthogonality
  488. Operators - semantics
  489. Patterns of Solution Sets of a System of Linear Equations
  490. orthogonal basis
  491. Me, myself and conjugate permutations
  492. SL(2,C) and sl(2,C)
  493. Prove that a set is a monoid, but not a ring.
  494. 2 simple vector spaces question
  495. Linear Algebra and DE
  496. Anyone knows about Markov Chains?
  497. A square nxn matrix
  498. Linear
  499. linear (in)dependent vector sets
  500. Yoneda lemma
  501. nullspace
  502. Linear Algebra proofs
  503. matrix multiplication
  504. Orthogonal matrices are compact
  505. Vector space problem, help!
  506. Line space problem
  507. Geometric Algebra
  508. characteristic polynomial
  509. Question about zero element in vector spaces
  510. Basic invertible matrix proof
  511. Applications of Linear Equations Monetary Word Problem
  512. Linear algebra
  513. Geometric and extern product
  514. triangle inequality
  515. eigenvectors/values
  516. Properties of finite groups
  517. Wronskian Proof
  518. 5^n=80n
  519. Algebra I vs Linear Algebra I
  520. Matrix in Rotation
  521. Question in regards to Permutation matrices, basis, and non linear functions
  522. Proving that V+J=k[x]
  523. Local decomposition of unitary matrices
  524. Vector Space: Basis
  525. Question regarding linear transformation
  526. The definition of mainvectors
  527. Killing form of a Lie algebra
  528. Maximal independent subset
  529. Vector bases dilemma
  530. Determinant of this symmetric matrix (proof)
  531. Rational Solution of LE
  532. Basis and Axiom of Choice
  533. Linear Algebra final
  534. Basis Revisited
  535. Proof Hint/Help
  536. < f | A f >^2 = < f | A^2 f >
  537. eigenstuff
  538. Isomorphisms
  539. Linear Transformations
  540. free algebra notes
  541. Little excercise about bases (question)
  542. 2. Some exercises
  543. Cross product of polar coordinates
  544. Polar coordinates?
  545. Confusing subtraction
  546. How much commutativity in associativity :)
  547. group theory
  548. Powers of a non-diagonalizable matrix?
  549. Show reducibility
  550. linear algebra: determinants and eigenvalues
  551. eigenvalues, eigenvectors question
  552. Determinants
  553. Lie algebra
  554. orthogonal complement
  555. Diagonal of a Matrix
  556. Another matrix question
  557. Positive operator?
  558. Some linear algebra proofs I couldn't figure out: Help!
  559. Right/Left Handed Systems
  560. Linear Transformation Proof
  561. Really Stuck! (Inner Product)
  562. Modules with multiple operators
  563. New to Planes, need help understanding them.
  564. Something that's been frustrating me...
  565. How can i learn Linear algebra
  566. algebraic manipulation of identity matrix
  567. Linear and Abstract Algebra textbooks
  568. linear algebra and vectors. confused
  569. Group question
  570. Simultaneous trigonometric equations
  571. Sylow's Theorems question
  572. dimension of subspace
  573. Linearity of determinant
  574. subspaces R^n
  575. kernel of differentiation and integration
  576. Something about hermitian matrixes
  577. Equivalent conditions for hermitian matrix
  578. Eigenvector
  579. Vector Space
  580. Finding Eigenvectors for Coordinate transformation
  581. Singular Value Decomposition trouble
  582. homomorphism
  583. sudoku squares
  584. Vector Space Problem
  585. 4x4 determinant
  586. Transpose of Matrix as Linear Map
  587. Inverse
  588. Constructing a category
  589. span of vectors
  590. Product of Ideals
  591. Matrix Minimal Polynomial
  592. Bases
  593. orthogonality
  594. independent or dependent
  595. rank of a matrix proof
  596. Rref?
  597. infinitely iterated power set
  598. Inner products
  599. Properties of Determinants
  600. permutations (and isomorphisms)
  601. Need help in some "inter-dimensional isomorphisms"
  602. Computers & Determinants
  603. Matrices
  604. Orthogonal vectors
  605. Inverse of a Linear Transformation
  606. Systems of Linear Equations
  607. Eigenvectors
  608. Another linear transformation question
  609. what is a group?
  610. transform and inverse transform
  611. orthogonal polynomial
  612. kernel basis
  613. Group theory and Rubik's cube
  614. Is this a theorem?
  615. Linear Transformations - formula
  616. similarity - trace and determinant
  617. orientation preserving and determinants
  618. Rotations in R3
  619. subset span proof help
  620. Problem from MIT OCW
  621. Triangulization theorem
  622. Determinants and Matrix Inverses Proofs
  623. basis for subspace
  624. Interpolation Axis for two Matrices
  625. Empty Set and Vector Space
  626. eigenvector question
  627. roots of complex polynomials
  628. Spaces
  629. Algebra text help
  630. Quadratic Matrix Equation
  631. determinant proof
  632. What property to look for to see if a matrix is diagonalizable?
  633. a Number to a fraction of a power
  634. Fields and new operations
  635. Help with a group theory proof
  636. C* Algebra
  637. Normal subgroup or not?
  638. Classifying Groups of Order pq²
  639. Galois Extension field properties
  640. Unique linear transformations!!!
  641. Kernels and Images
  642. Iterated Möbius transformations - Any University teachers or similar here to help?
  643. quotient groups
  644. Coordinate Transformations
  645. Lines of invariance question
  646. Matrix of a Parabola? (It's my first day)
  647. Piece-wise Function
  648. Unique identity and inverse question.
  649. please help-online textbooks
  650. Fibonacci Problem
  651. Umm, cauchy-schwarz
  652. Automorphisms of Finite Fields
  653. Why the name "singular"?
  654. Please recommend textbook for self study
  655. Subspaces of functions
  656. Visualizing equations in a row picture.
  657. Algebra problem
  658. Question on Defining Linear Equation
  659. Isomorphism of matrix groups
  660. Composition of endomorphisms
  661. Reciprocals
  662. A Question in Linear Tranformations
  663. reduced row echelon form of matrix
  664. Mathematics Journal, Proof for
  665. Classification of diagonalizable matrices
  666. Interpretation of categorical construction
  667. representations
  668. Matrices
  669. Ax=Bx
  670. eigenvalues
  671. Finite Dimensional Representation of SU(2)
  672. Definition of Prevariety
  673. Vectors and the Menelaus Theorem
  674. Cool category construction: Q-trees!
  675. determinant????
  676. non commutative ring
  677. Det(AB) = Det(A) Det(B)
  678. Hilbert's 17th and uniquely ordered fields
  679. Why is scalar multiplication on vector spaces not commutative?
  680. graded groups
  681. Quotient field vs Functor
  682. Linear Regression, Linear Least Squares, Least Squares, Non-linear Least Squares
  683. One-forms
  684. nullspace(kernel) and transpose
  685. Boundaries in topological space
  686. Polynomial Proof
  687. Quick question on a group definition
  688. Irreducible polynomials over finite fields
  689. What are matricies good for?
  690. Colimits vs algebra
  691. Algebra for homology
  692. thinking about matrices/polynomials
  693. What is semisimple Lie algebra?
  694. What exactly is Abstract Algebra?
  695. A little help with Linear Transformations
  696. Hilbert Spaces
  697. even odd permutations
  698. dummy variable
  699. Decomposition of Lie Algebras
  700. eigenvectors!!!!!!
  701. Powers of cycles? Orders of elements?
  702. Is this equal to that?
  703. adjunctions in enriched categories
  704. preadditive categories are all Abelian
  705. reduced homology
  706. Determinants and Adjoints
  707. Random thoughts
  708. R/A "mod out by A"??
  709. cyclic = abelian?
  710. isomorphisms and homomorphisms
  711. 3D Eulerian polyhedron, oriented
  712. Group Theory
  713. Irreducibility
  714. mathlab and least square problem
  715. transcendental equations
  716. Invertible Matrix
  717. Z_2[x]
  718. Need help - Equation -> Algorithm for an elliptic equation
  719. Exterior Algebra
  720. Linear Space Question
  721. Subspaces, R^n...How to visualize?
  722. Primitive roots
  723. Origional Isomorphisms
  724. always abstract???
  725. Abstract Algebra
  726. Simple Lie algebras and ideals
  727. Linear algebra proof
  728. Representation theory on RHS
  729. My Topology Questions
  730. What Is linear algebra like?
  731. A question on a spinor group
  732. Vector Product
  733. Applications of singular matricies
  734. ancient puzzle, solved by abstract algebra?
  735. Linear independence proof
  736. Homomorphisms
  737. inverse of a diagonal matrix
  738. null space
  739. Proof of the "Left Distributive Law" for matrices.
  740. Infinite number of open intervals
  741. Maximum of trace
  742. Symmetric powers and R-algebra
  743. Highly ill-conditioned (close to singular) linear problem
  744. cayley - hamilton theorem
  745. Issue regarding the orthogonality of eigenvectors for Hermitian
  746. Group theory proofs
  747. Condition number (or estimate) of a very large matrix
  748. I can't start proofs
  749. Group Theory book
  750. A problem about group C4v
  751. Minimal polynomial
  752. Addiction of subspaces
  753. Primary Decomposition Theorem
  754. Abstract Linear Algebra
  755. "Linear/Rational" compositions
  756. Sylow first thm and normal subgroups
  757. Classify all groups of order 147
  758. Ring theory
  759. Group Theory problems
  760. Hermitian Inner Product
  761. algebra problem
  762. Diagonalizability (in Hilbert Spaces)
  763. Normal Field Extensions
  764. Linear Algebra Problems
  765. Orthogonal projection
  766. Inconsistent Inner Product Definitions
  767. Computing rank of a matrix over a finite field
  768. How to extend?
  769. Eigenblades and the Geometric Algebra of Spinors
  770. Linear Independence Proof
  771. Scaled Partial Pivoting
  772. Why is every finite Integral Domain a field?
  773. Nilpotent Operator
  774. Completely Lost
  775. Intersection of subspaces
  776. How much calculus in linear algebra?
  777. Cos/Sin as roots of rationals
  778. orthogonal transformation of matrix
  779. Chinese Remainder Theorem!!!
  780. Cube
  781. Group Extensions
  782. Adiabatic evolution of eigenvalues
  783. Algebraic Closure of Laurent Series
  784. Solving Quartics in Radicals
  785. Dual representation
  786. weight diagrams
  787. Why is it called a torsion group?
  788. x^3=x => R is a commutative ring
  789. two generators
  790. maps of finite modules
  791. Determinant of a matrix over the integers mod n
  792. Damm Proofs
  793. some subspace questions
  794. Continuous eigenvalue of n by n matrix
  795. Co-Factors
  796. Genus, differential forms, and algebraic geometry
  797. Group Representations and Young Tableaux
  798. A minimization problem
  799. Group of order 4
  800. Need help for one-to one linear transformation
  801. Trivial Action of a Group
  802. Axiom of choice vs algebra
  803. Different types of matrices
  804. Is there such an identity about SO(3)?
  805. Null subspace of a single vector
  806. Associativity of the Killing form
  807. Question about an automorphism
  808. Clifford Algebra dot com
  809. about vector space1
  810. positive definite matrices
  811. Finding Variables within Matricies Question
  812. reexamine basic stuff on LA.
  813. Infinity geometric series question
  814. Quivers and representations
  815. Finding an operation that makes a group
  816. Quotient Topology?
  817. linear transformations
  818. cayley hamilton
  819. Another question from Elements of Abstract Algebra by Clark - transformation groups
  820. Infinite vector space
  821. Basics of multiplication of matrices
  822. Urysohn lemma?
  823. An Algebra.
  824. Question from Allan Clark
  825. need help please with combinding two equations
  826. system of ODE's
  827. laplace transform/hilbert space
  828. How do you explain x+y+z=5 is a plane?
  829. Any matrix as product of elementary matrices
  830. Best Calculator for Matrix/Linear Algebra?
  831. direct limit question
  832. Proof Using Shortest Distance
  833. Equivalent sets in different vector spaces?
  834. Parameter Within A Linear Equation Conjecture
  835. Explanation of the Determinant
  836. The Integers Modulo n
  837. vague question about polar coordinate basis
  838. Free Groups
  839. Prove Ab-ba=i Has No Solution
  840. what is "norm-closed"?
  841. Find a >2 degree polynomial that satisfies (1, p), (2, q), (3, r) - p,q,r = arbitrary
  842. Normal matrix?
  843. adjoint of f?
  844. abstract algebra made simple
  845. Automorphism Group
  846. Find all vectors in R^3 that are perpendicular to [1; 3; -1]
  847. Basis of set of skew symmetric nxn matrices
  848. Tangent vector space question
  849. Is it legitimate to treat matrices this way?
  850. Poincare conjecture
  851. How is R4 space represented geometrically?
  852. Slopes of curves w/o equation?
  853. A little problem involving unitary matrices
  854. Free Product
  855. Freely Indecomposable
  856. Cross Products and Determinants
  857. Complicated definitions of linear independence...
  858. Point or Vector? What's the difference?
  859. to be or not to be (an ideal)
  860. Algorithms for quantifying intersections of subspaces
  861. Inner products and orthogonal basis
  862. A question on Hilbert space theory
  863. Shortening LInear Codes
  864. Finding units in polynomial quotient rings
  865. Linear Indepedence of Egienvectors and Jordon blocks
  866. finite group
  867. Casimir operators
  868. Finding cyclotomic from a factor
  869. Meaning of this operator
  870. Algebra Texts - Hungerford vs. Lang
  871. Matrix
  872. invariants (sorry i didn't know where to put it)
  873. rotatations in a cube?
  874. min number dependent columns in a matrix
  875. Transfer Homomorphism
  876. Coset of ideals question
  877. Mackey Theory
  878. group of rototional symmetires
  879. Inner Product for Vectors in Complex Space
  880. Cyclic Automorphism Group
  881. Using a different definition of norm
  882. why HH=H?
  883. Automorphism Group
  884. skew-symmetric matrix proof
  885. Help with a linear algebra problem
  886. Abstract Algebra question?
  887. zero vector perpendicular
  888. Linear independence proof
  889. Help with a solution
  890. permutation matrices in vector form
  891. how to solve two equations involving complex variables??
  892. Question on Ideals (Algebraic Geometry)
  893. Just a math question
  894. If span(S)=span(P), then S=P.
  895. Lagrange's Theorem (Order of a group) Abstract Algebra
  896. Irreducible polynomial
  897. triangularizing a matrix
  898. Free Products II
  899. Linear independence again..
  900. Multinacci Polynomial
  901. Retraction
  902. Center of a group
  903. Consider Z4 ({0, 1, 2, 3} mod 4) and GF (4) (also known as GF(2^2)).
  904. Are the following polynomials irreducible over Z2?
  905. Now let’s consider a different polynomial g(x) = x^3 + x^2 + 1.
  906. Now compute the inverse of 550 in GF (1997). Notice GF (p), Zp, or Ip I covered befor
  907. Find all subgroups of the given group
  908. Solving equation in finite field
  909. What is a Barycentric Subdivision of a Graph?
  910. decorrelating the eigenvectors.....
  911. Vector Quotient Spaces
  912. Book of Algebra Problems
  913. Linear representations in Char 0
  914. Elements in only 1 left/right coset
  915. A subspace question
  916. linearly indpendent
  917. Linear transformation
  918. Need help with vectors, angles, etc please
  919. Converting from 2D coordinate Systems
  920. Jordan Normal Form
  921. Vector space for cross products?
  922. Algebra question
  923. Please help me to prove this problem.
  924. automorphisms of Q(sqrt2)
  925. Complex Eigenvectors
  926. Linear Programming
  927. vector spaces?
  928. Help to solve a linear equation
  929. Normal subgroups??
  930. Unique Normal Subgroups
  931. Continous groups and manifolds
  932. i have a final exam
  933. math help associated legendre polynomials for spheriacal harmonics
  934. math help associated legendre polynomials for spheriacal harmonics
  935. Polynomials and the Inner Product
  936. plz tell me defination
  937. Conflict of interests results in lies?
  938. How to prove trace(A.A*) is positive
  939. Is this right?
  940. solving simultaneous trigonometric equations
  941. Matrix representation
  942. Graded algebra - Z_2 grading?
  943. Difference between algebra and module?
  944. Clifford algebra isomorphic to tensor algebra or exterior algebra?
  945. question on quaternions
  946. Dimensions! Clarification needed.
  947. Vector spaces over fields other than R or C?
  948. Is Hom(Lambda^k(V),Lambda^(k+1)(V)) and element of End(Lambda(V))?
  949. A purely terminological question
  950. would you mind if you give me code for gauss elimination by C++
  951. Inner product
  952. characteristic polynomial
  953. A quick Question about the set of Automorphisms of a field F
  954. Characters of Normal Subgroup of Index 2
  955. plz help me
  956. Character zero
  957. Characteristic or a finite field is a prime number?
  958. Why the prime/irreducible distinction?
  959. A small matrix proof
  960. Dot product cross product, where did they come from?
  961. Meaning of 'Canonical'
  962. Going from a complex rep to a real rep
  963. vector space proof
  964. Meaning of Space?
  965. Decomposing Isometries
  966. Automorphisms
  967. QR Factorization
  968. Geometric Algebra Fundamentals
  969. spanning sets, and linear independence of them...
  970. Groups and Symmetry
  971. NEED help..
  972. E^n vs R^n
  973. variables in a matrix
  974. Please Help....
  975. Does one zero equal its algebraic conjugate?
  976. Could a set of n verctors in Rm span all of Rm when n<m?
  977. matrices problem
  978. A vector space and linear independent set.
  979. Linear algebra
  980. Existence question about matrix and ranks.
  981. Another matrix rank proof
  982. two questions on linear transformations.
  983. How do I decide if a point is within the triangle
  984. even order groups
  985. Galois Groups
  986. Abstract Algebra.
  987. Definition of normal subgroup
  988. Span, Basis, Dimension
  989. Categorical Fibrations
  990. Need some assistance...
  991. linear independence and dependence
  992. semi-groups and monoids
  993. what the value of n ?!
  994. T-invariant subspaces
  995. Presentations
  996. Help with Matric proof!
  997. how to make a matrix B such that AB=BA
  998. Fundamental groups and homotopy type
  999. factoring operator... and fundamental theorem of algebra
  1000. Algabreic Manipulation of Sigma Notation
  1001. Order Problem
  1002. extending maps defined on dense sets
  1003. standard representation of a vector space
  1004. Group of translations by a fixed distance
  1005. colimits of topological spaces
  1006. Roots of polynomial
  1007. Bi/Axial/Psudo-Vector
  1008. coding in Quaternions and Matrices
  1009. Proof of existence of a Jordan form?
  1010. David C. Lay's textbook, need info...
  1011. algorithm for solving system of nonlinear equations
  1012. Finding tiples
  1013. Composing permutations in cycle notation
  1014. Linear Algebra Text
  1015. A group proof
  1016. Basis of a subspace of a vectorspace
  1017. Linear functional equivalence in vsp and subsp
  1018. Equivalency of functions/graphs
  1019. Notation of ideals in ring theory
  1020. Topology: simple connectedness and fundamental groups
  1021. Fundamental group question
  1022. Irreducible Components in a Primary Decomposition
  1023. determination of irreducible polynomials over a given field
  1024. General solution to diophantine equations
  1025. Linear Algebra in Computer Engineering
  1026. Group homomorphisms between cyclic groups
  1027. isomorphic polynomial rings
  1028. Dual Basis
  1029. Classification of Groups of Order (p^l)(q^m)(r^n)
  1030. feasible solution
  1031. problem with proof
  1032. isomorphisms
  1033. e as an average
  1034. Q as a module over Z
  1035. eisentein theorem
  1036. help with proof
  1037. Odd and Even equation
  1038. group with no center
  1039. Mathematicians Map [ the exceptional Lie group ] E8
  1040. Help with matrices
  1041. So(3)/so(2)
  1042. Banach Spaces
  1043. Parametric equations for a helical pipe
  1044. Exterior and Cross Product
  1045. Which is a subring?
  1046. Unimodular matrices
  1047. "straightforward computation..."
  1048. What good is linear algebra?
  1049. Natural numbers Z?
  1050. Linear independency of operators
  1051. rank(A) + nullity(A) = no. of cols of A (WHY?)
  1052. How to reduce the solution time of linear equation system?
  1053. Determinant
  1054. Rings, ideals and Groebner basis
  1055. EMPTY subset of a ring
  1056. Programming libraries for C linear algebra
  1057. tricky eigen vectors question
  1058. some questions about reducible matrices and operators
  1059. Gl(2;c)
  1060. Fundamental polygons and surfaces
  1061. Meromorphic functions
  1062. M^2 = I
  1063. exact sequences
  1064. 3x3 similar matrices defined by characteristic and minimal polynomials
  1065. not clear about the change of basis in new space
  1066. The Klein bottle using the Euler caracteristic + orientability caracterisation
  1067. ideas- lin.alg./circuits
  1068. what is the principal representation?
  1069. continuation of 6 -4 -2007
  1070. orbit type strata
  1071. Multiplying non-disjoint permutation cycles
  1072. Gram Schmidt
  1073. Eigenvalues And Eigenvectors Problems
  1074. Bilinear Form
  1075. Homotopy extension property
  1076. More docile dfn of local path-connectedness?
  1077. Constructible numbers
  1078. Lie Algebra's question
  1079. powers of permutations?
  1080. Dihedrals
  1081. Rearranging Formulae
  1082. Polynomial algebra
  1083. Vector Spaces, Dimension of Subspace
  1084. inner product space questions
  1085. Homotopic Funtor
  1086. Coverings, what for?
  1087. Steinitz Replacement Theory
  1088. Vector Spaces Question
  1089. Bases of Vector Spaces
  1090. Question
  1091. Stability
  1092. linear programming and the two phase method
  1093. Dot Product
  1094. Vectors and fields
  1095. symmetry of the square
  1096. Automorphisms of Z_3
  1097. unitary equivalence vs. similarity
  1098. Subvarieties in algebraic geometry
  1099. A cyclic group proof
  1100. Bases of Generalized Eigenvectors
  1101. Another group theorem..
  1102. Vector Motion Question
  1103. Help with definitions in linear algebra
  1104. failure of the sylow counting argument
  1105. factorisation of x^22 -3x^11 +2
  1106. Number of generators
  1107. sylow theorem part 2
  1108. Vector equation...
  1109. Tensor Product Decomposition
  1110. Ring Question, Frobenius
  1111. Subspaces
  1112. generalized jordan curve theorem
  1113. What is a double trace?
  1114. Help!
  1115. Normal Subgroup Questions
  1116. Eigenvalues and eigenvectors
  1117. Jordan Basis question.
  1118. A module problem
  1119. Transformation matrix question
  1120. finding equation
  1121. Solving differential equations through matrix
  1122. The infinite in algebra?
  1123. Algebraic K-theory question
  1124. How do I estimate complex eigenvalues?
  1125. Quotient Spaces
  1126. Don't understand this simple vector space problem
  1127. What is the "field with one element"?
  1128. lin. algebra
  1129. Linear Transformation Question.
  1130. Square root of a rotation matrix
  1131. an algebaic mistake?
  1132. i am looking to find some lecture notes on upper division linear algebra
  1133. geometric vector dual space.
  1134. prove
  1135. What is direct sum?
  1136. infinite-dimensional matrix multiplication
  1137. Eigenvalues for a matrix with equal and opposite diagonal entries?
  1138. matrix query
  1139. Condition number
  1140. non-abelian group or order 27
  1141. What is this ring called?
  1142. solutions to linear equations
  1143. Kernels and Images
  1144. diagonalizability
  1145. finding determinant of Vandermonde matrix
  1146. trace of a linear operator
  1147. Column space
  1148. Congruent Modulo
  1149. How to calculate Projected Airthmetic Mean
  1150. Degree of Extension
  1151. need help is hard
  1152. Zero Vector
  1153. field problem
  1154. Fun Closure Problem
  1155. Question about rref
  1156. proving a matrix is diagonaziable.
  1157. isomorphism
  1158. Many little linear questions
  1159. Which text? Second course in linear algebra
  1160. angle preserving linear transformations
  1161. Solving Linear Least square
  1162. 2 questions related to norm
  1163. about invertible and diagonalizable matrices
  1164. algebraic closure
  1165. Vector Subspace or Linear Manifold.
  1166. Regarding Orthogonal Transformations
  1167. solutions of system of nonlinear equations
  1168. Solvable groups
  1169. Prep for Algebra Comprehensive Exam #1
  1170. a question to vector subspace
  1171. Property of the adjoint operator
  1172. function vs mapping vs transformation
  1173. Regarding Determinants
  1174. It shows that V is the dual space of V*?
  1175. where is action free?
  1176. Hilbert spaces: Explicit example of an unbounded operator?
  1177. Crash course in abstract algebra
  1178. Prep for Algebra Comprehensive Exam #2
  1179. Prep for Algebra Comprehensive Exam #3
  1180. Orthogonal decomposition
  1181. recommend a text
  1182. ideals
  1183. Cartesian Tensors and transformation matrix
  1184. direct product
  1185. Galois Theory (degree 4 polynomial)
  1186. Understanding Normalizers
  1187. help with engenvalue analysis
  1188. slack variables
  1189. Showing that a subgroup is subnormal in the original group G
  1190. Subset of the integers
  1191. Understanding abelian Galois groups
  1192. Polynomial Ring not a Field
  1193. Help with identity for ideals...
  1194. Finite Simple Group
  1195. Galois extension of a field with Characteristic 0
  1196. Inner Product Space over Fnite Field
  1197. Field trace and norm (Equivalence between definitions)
  1198. Discriminant - Nice thinking stump
  1199. An elementary question regarding Galois theory
  1200. Understanding the field structure for A_5 and more
  1201. Addition of Subspaces
  1202. Ring theory
  1203. Group isomorphism and Polynomial ring modulo ideal
  1204. perfect
  1205. Operators in quantum mechanics
  1206. Help me with these proofs (vector spaces over finite fields)
  1207. Prep for Algebra Comprehensive Exam #4
  1208. geometry of discriminants
  1209. Arithmetic/Geometric Progression Problem
  1210. complementary slackness and the transportation problem
  1211. metric space
  1212. Finite dimention Lie algebras
  1213. Galois Solvable Group
  1214. complementary slackness and the transportation problem
  1215. Teaching Myself Linear Algebra
  1216. Hypermatrices and Hyperdeterminant
  1217. grassmann numbers
  1218. Need help to proof Adjugate Matrix...
  1219. orthogonal matrices
  1220. transformation
  1221. Gram–Schmidt process
  1222. Vector Spaces / Sub Spaces
  1223. Repost of "Carrying and cocycles" by james dolan (part one)
  1224. Set into Group
  1225. lie algebra, ideal and isomorphism
  1226. complexification of a vector space
  1227. what's the effect of using modular counting in matrices?
  1228. Irreducibility test for polynomials over Fp
  1229. demonstration/proof advice needed
  1230. linear independence after change of basis
  1231. Kernel of a Field Morphism?
  1232. Monads on Youtube!
  1233. adjoint representation
  1234. vector problem involving velocity and wind
  1235. Correct reasoning about direct sums proof?
  1236. Young Tableux and representation theory
  1237. Row-Reduced Echelon Forms
  1238. Representation theory?
  1239. Eigenmodes question
  1240. continuity in algebra?
  1241. why solvable is solvable
  1242. help...abstract algebra
  1243. leaving vector space stable
  1244. Ensuring injectivity of an operator
  1245. Easy Linear Algebra Question
  1246. Quick Question
  1247. adjoint of an operator
  1248. Difficult Problem
  1249. A vector is a vector is a vector
  1250. factor group
  1251. Isomorphism between rings?
  1252. Example of basis construction
  1253. Proving Rank(A^T) = Rank (A)
  1254. projections on Banach and Hilbert spaces
  1255. Advanced Linear Algebra
  1256. Circle and Infinity?
  1257. determing formula for T inverse
  1258. Primigenial ring... ideals question...
  1259. Matrix multiplication question
  1260. Stiffness Matrix
  1261. Another notation for the dual space
  1262. vector space
  1263. generators
  1264. question about injectivity/surjectivity => bijectivity
  1265. A cube with a zero density
  1266. vector space
  1267. Lie Algebra Question
  1268. Nilpotent Lie Algebras
  1269. matrix representation of complex space
  1270. Couple of Linear Algebra Questions
  1271. Free vector space
  1272. Lie groups in quantum mechanics
  1273. Basic Solutions and Linear Combinations
  1274. dimension of symmetric and skew symmetric bilinear forms
  1275. isomorphism and direct product of groups
  1276. Tough Question
  1277. algebraic integers of a finite extension of Q has an integral basis
  1278. Operator Question
  1279. Commutant of GL(n = 2, Z_p)
  1280. A question concerning matrix norms
  1281. vector subspace notation question
  1282. idempotent proof
  1283. Help me understand this proof
  1284. Decomposing Lie groups
  1285. Give the ranks of both the matrix of coefficients and the augmented
  1286. Jobs related to linear algebra
  1287. Automorphisms
  1288. linear equation Ax=b
  1289. extention field
  1290. Multiplicativity/Additivity and homomorphisms
  1291. Linear systems question
  1292. maschkes theorem/group rings
  1293. eigenvector existence in complex space
  1294. questions about the concept of subspace of linear transformation
  1295. subspace
  1296. spanning set
  1297. Group Action
  1298. visualising adjoint matrices
  1299. if A is nilpotent square matrix then I+A is invertibl
  1300. Group of symmetries on a regular polygon
  1301. Every finite subgroup of isometries of n-dimensional space...
  1302. Groups of prime order
  1303. Commutative rings with identity
  1304. GL ( n , Z/p )
  1305. if Ha=Hb then b belongs to Ha
  1306. How can I tell if this is a vector space?
  1307. Semi-Simple Lie Algebra Representations
  1308. Group Theory Problem
  1309. Some eigenstuff
  1310. A subspaces problem.
  1311. subalgebras of nipotent algebras
  1312. need help asap
  1313. Linear Algebra
  1314. Equivalent Class
  1315. group rings
  1316. Why y=2x+1 is not a vector space?
  1317. how to multiply two matrices??
  1318. weak/strong group identity axiom
  1319. Non-square matrices
  1320. whjat does R^n mean
  1321. linearly dependent
  1322. Grammar to Chomsky Normal Form
  1323. invertible conditions
  1324. Eigenspaces
  1325. An algebraic proof that a convex quadrilateral has intersecting diagonals
  1326. Significance of a singular matrix
  1327. General Algebra Question
  1328. Irreducible Polynomials p 5 degree 4
  1329. Commutative and homological algebra?
  1330. Primes in Kummer rings
  1331. Vector Dot Product
  1332. Positive definite real quadratic forms
  1333. Linear Question
  1334. is there a faster way to do this?
  1335. My Algebra Questions
  1336. Newton's Interpolation, numerical methods question
  1337. Bilinear forms & Symmetric bilinear forms
  1338. Group generated by Z_p and Z_q ?
  1339. a question about SU(2)
  1340. Groups and Symmetries
  1341. stupid/ simple question about g2
  1342. Normal Subgroup
  1343. how to prove rank(A+B)<=rankA+rankB ?thanks
  1344. soluble groups?
  1345. Cardinality of a basis of an infinite-dimensional vector space
  1346. Galois theory text for second semester undergrad algebra
  1347. Vector cross product
  1348. Can anybody help me in coset decoding?
  1349. Linear Functionals
  1350. Vector space over the rationals
  1351. Using Determinant
  1352. Crames Rule and equation of a plane
  1353. gcd as generator of ideal
  1354. Another infinite-dimensional basis question using transfinite induction
  1355. polynomials and function space over fields
  1356. Zero divisors: continuous functions over R
  1357. One more transfinite induction problem
  1358. A diamond lemma for rings?
  1359. inner products, operators, equality
  1360. Casimir operators
  1361. Is Jacobian Conjecture still open?
  1362. groups masquerading as isomorphic
  1363. quadratic forms of symmetric matrices
  1364. Anticommuting Ring that only has left or right inverse?
  1365. Linear combinations
  1366. What is linear algebra
  1367. [SOLVED] Basis
  1368. Inverse Matrix
  1369. Permutations commuting with their powers
  1370. Isomorphism with GLn(R)
  1371. is there an elegant way to find the singularities of an algebraic variety
  1372. Isomorphism
  1373. matrix multiplication
  1374. Abelian groups from the definition of a field
  1375. linear algebra questions
  1376. subspace question
  1377. Abstract Algebra
  1378. Abs Algebra
  1379. Proof on homogeneous equations
  1380. If x,y are (2,2) complex matrices such that log(xy)=log(x)+log(y) then x,y commute
  1381. Similar matrix and characteristic polynomial
  1382. Gram-Schmidt
  1383. Killing form question
  1384. Basis of a vector space
  1385. Spanning sets
  1386. Algebra Proof Question
  1387. Lie Groups and Representation theory?
  1388. Decomposing S3 (representation theory)
  1389. Adjoint of a linear operator
  1390. Matrix N is 'M symmetric' ?
  1391. Vector Spaces
  1392. Category Theory: ???What is up with these Diagrams???
  1393. Linear Maps/Coordinates/Basis
  1394. Combinatorial group and representation theory?
  1395. Commutative algebra?
  1396. [SOLVED] permutation of eigenvalues
  1397. counterexample so that (ab)^i=a^ib^i for two consecutive integers
  1398. Least amount of structure for vector space.
  1399. Determinant of Orthogonal
  1400. non singular
  1401. What is the difference between SO(3,1) and SO(1,3)?
  1402. Matrix algebra over finite fields
  1403. homomorphism on rings
  1404. Galois and Klein 4
  1405. Counterexample for an alternate definition for a group
  1406. Spanning
  1407. MIT OpenCourseWare Linear Algebra
  1408. isomorphism theorems
  1409. Order of 2x2 matrix group under mult. mod p
  1410. Vector Space Algebra of Minkowski Space
  1411. Finding the Basis?
  1412. vector space
  1413. Help! Diagonal matrix similar to upper triangular matrix?
  1414. Linear property of determinates
  1415. branches of group theory?
  1416. injectivity
  1417. identifying elements in V(x)W, V,W V.Spaces
  1418. Help!!!
  1419. LaTeX: Drawing Coxeter/Dynkin graph
  1420. Difference between a vector space and a field?
  1421. please help solving this
  1422. Who takes Linear Algebra?
  1423. Negative-definite inner products
  1424. Free groups.
  1425. Linear Transformation to Shrinking/Expand along a given direction
  1426. continuity of projection
  1427. matrix equation
  1428. Determinants...
  1429. Rank of matrices
  1430. highest weight (lie algebras)
  1431. Row reduction and linear maps
  1432. [SOLVED] vector spaces + proving of properties
  1433. Inverse of a fundamental matrix
  1434. Conversion from Cartesian to toroidal coordinates
  1435. Inverse of Upper Triangular Matrix
  1436. Tough Diophantine Equation
  1437. Question
  1438. Need help with easy linear algebra proof
  1439. simultaneous equations
  1440. Bruhat decomposition
  1441. representation theory
  1442. problem on linear independence and matrices
  1443. An Group
  1444. Classification of groups
  1445. Multilinear maps. Extensions.
  1446. finding conjugacy classes
  1447. Cutting equal numbers of different length pieces from a known length
  1448. Quaternions vs Vectors?
  1449. Help me construcing finite field, plz!
  1450. 2^k = n in Z/p
  1451. A transpose proof
  1452. Combinatorial Matrix problem - REALLY NEAT!
  1453. [SOLVED] maximisation problem
  1454. Help
  1455. Group Theory-solution to polynomial equations
  1456. equivalence classes in rings
  1457. Lie group and algebras
  1458. Galois Group Problem
  1459. Confused about this logic
  1460. Proofs
  1461. Representations of SO(3)
  1462. Stiffness matrix
  1463. Irreducible reps of maximal tori
  1464. Coset representation?
  1465. Linear Algebra Problem
  1466. Flawd logic
  1467. Induced Homomorphs, Isomorphs.
  1468. Linear Algebra: need suggestions for learning
  1469. zero product property for integers
  1470. Set Builder Notation???
  1471. Compound sentences ( and or )
  1472. Equations with absolute value
  1473. Finding the zero vector
  1474. Distributive Properties of the Determinate
  1475. Field Theory
  1476. Zero vector of a subspace
  1477. trasformation theory question
  1478. i got problem in understanding the Im finding theory
  1479. inverse linear least squares?
  1480. Isomorphisms?
  1481. Elements of SO(3)?
  1482. dim and null question
  1483. matrix multiplication
  1484. Algebra textbook
  1485. Ideals in Rings
  1486. Needed: Help with proving commutitivity
  1487. category t. book suggestion
  1488. Q1: Does A and its transpose have the same eigenspace?
  1489. Diagonal Matrix from vector
  1490. Help with Normalizers
  1491. Irreducibility in multiple dimensions
  1492. linear operators
  1493. Linear span
  1494. Vector projection problem
  1495. Vector subspace section
  1496. Making a set a basis
  1497. Reaching all of R^N by rotations from a linear subspace
  1498. Confused about unit vector equivalence
  1499. Determinant expansions
  1500. Linear Algebra problem
  1501. Subgroups of Quotient Groups
  1502. Idempotent Equivalence in Rings
  1503. Graded commutative algebra
  1504. turn a circle inside out: fun movie about topology
  1505. Showing a mapping is onto and/or one to one
  1506. maximal ideal question, + invertibility
  1507. Linear programming using the simplex method
  1508. Langrange multiplier with a three constraint problem
  1509. Matrix Binomials ?
  1510. identity map and injectivity
  1511. A little proof
  1512. Generation of isomorphic fields by separate algebraic elements
  1513. Root system?
  1514. geometric algebra cross product
  1515. Matrix Calculus
  1516. substitution of variables
  1517. [SOLVED] Is 0 a prime?
  1518. Point symmetry generators
  1519. Linear algebra show eigenvalue
  1520. [SOLVED] Normalizer &amp; normal subgroup related
  1521. character tables
  1522. Eigenvalues
  1523. how to find eigenvalues/eigenvectors
  1524. Subspaces of R2 and R3
  1525. Regarding Diagonalization of Matrix by Spectral Theorem
  1526. Proof required: The determinant of the solutions of a linear homogeneous congruence
  1527. geometric algebra solution for intersection of planes in RN
  1528. Good Video Lecture on MIT
  1529. Symbolic Vector Manipulation Software?
  1530. Commutitive law for vectors
  1531. matrix invertibility question
  1532. direct product groups
  1533. isomorph
  1534. S,T: V onto W are linear maps
  1535. Quadratic Regression on HP 50g
  1536. Eigenvalues and Laplace
  1537. localization
  1538. Norm of a Function vs. Length of a Vector
  1539. Orthogonormal and Basis Vectors
  1540. Finding a Parabola using three points, no equations
  1541. Finding powers of a square matrix
  1542. Problem with transformations in Rijndael's finite field
  1543. subspaces and dimension!!!!
  1544. PROOF: Independent vectors and spanning vectors
  1545. Doran/Lasenby. Commutator and symmetric products?
  1546. Herstein, Topics in Algebra, page 58
  1547. projection continuity problem
  1548. rang of matrix
  1549. Congruence
  1550. Help Needed for Vector Space Proof
  1551. valid argument ?
  1552. monotonius function
  1553. commutation property
  1554. Projection operators
  1555. x in dA => x isolated or strict limit (Topological space)
  1556. Linear Programming Theory, "Optimality Criterion" Question
  1557. "Completeness" of irreducible representations
  1558. reduction of a blade pseudovector quotient?
  1559. help with a subspace problem
  1560. Show that PL has matrix
  1561. `Forgotten' linear algebra
  1562. how to solve second-order matrix diffrential equation?
  1563. really dumb question: why do we use e_i for unit vectors?
  1564. A german translation request
  1565. The square root of Matrix!
  1566. sum of two prime ideals is prime ?
  1567. Topologically seperated
  1568. Quotient Spaces
  1569. Geometrical algebra's: simple equation
  1570. moore penrose inverse expressed as geometric product?
  1571. Doran/Lasenby example of determinant of linear geometric product operator?
  1572. closedness question about adjoint image
  1573. where to put the transpose?
  1574. The center of GL(n)
  1575. Entries in every row add to zero... (nullspace/determinant question!)
  1576. Need help finding equation of a plane
  1577. Inverse of Matrix Sum
  1578. linear dependence
  1579. Dashed arrow and solid arrow in category theory
  1580. *-rings
  1581. Signed angle between vectors
  1582. irreducible group
  1583. Linear combinations of structure constants
  1584. Basis of the kernel...
  1585. Unify principles of two formulae
  1586. Idempotents of the ring Z/100Z
  1587. Cyclic Subgroup of GL(2,q)
  1588. Higher Algebras in Computer Science
  1589. factoring a wedge product into vectors? (geometric algebra)
  1590. Linear Transformation
  1591. G-invariant linear characters (Representation Theory)
  1592. Connection between A(N-1) and SU(N)
  1593. Adjacency matrices for digraphs
  1594. Showing null space and range are invariant
  1595. Show all the ideals of R
  1596. Algebra
  1597. Can u understand my business coursework?
  1598. rank of a similar matrix
  1599. [SOLVED] Approximate eigenvalues
  1600. [SOLVED] Positive Definite Matrices
  1601. [SOLVED] Nilpotent matrices
  1602. floor(x)/y = floor(x/y), y in Z
  1603. Inverse Projection Problem
  1604. a problem in Lp spaces .
  1605. Kernel of the Transpose
  1606. Special Linear Lie Algebra
  1607. Some Galois Theory: Degree of elements in Q
  1608. Simple problem using eigenvalue/eigenvector
  1609. Isomorphism question - please help!
  1610. Differentiate function of outer product
  1611. Transition Matrix
  1612. Does the Jacobi equation imply a Lie algebra?
  1613. R^n and field
  1614. angle between two lines in space
  1615. Lattice
  1616. Question about Gelfand-Naimark
  1617. Question about Gelfand-Naimark
  1618. how to make given numbers grassmann
  1619. change of basis application
  1620. finding standard matrices?
  1621. Jordan Canonical form proof
  1622. [SOLVED] geometric algebra: longitude and latitude rotor ordering?
  1623. Linearly Independent Columns of a Matrix
  1624. parabola question
  1625. Two Phase Method
  1626. show a polynomial of degree n has at most n distint roots
  1627. Finding an affine transformation matrix
  1628. Tensors
  1629. matrix X^2=0 -> Tr(X)=0?
  1630. Hermitian operator
  1631. normal nxn matrices
  1632. [SOLVED] Question about a subset of Z
  1633. (Please help!!) If A² = I, prove det A = ±1
  1634. [SOLVED] Geometric Algebra: Signs of electromagnetic field tensor components?
  1635. Positive Operator
  1636. Polynomial over finite field
  1637. Accelerometer calibration
  1638. Canonical Coordinates
  1639. Linear Dependent Question
  1640. Any tips on studying please?
  1641. A "trivial" question
  1642. Simple counterexample for claim about integral domains
  1643. Linear programming problem
  1644. Representation Theory
  1645. Taimanov Theorem
  1646. Prooving the Cayley-Hamilton Theorem
  1647. Vector Space
  1648. Linearise Logarithms
  1649. Determinant of diff. operators & Holomorphy
  1650. Find my mistake
  1651. Finding the face of an icosahedron in which a vector falls in
  1652. Need help: Proof Null-rank theorem with block matrices
  1653. Generalized eigenspace invariant?
  1654. Units and prime elements in euclidean rings
  1655. The module is injective iff it is a direct summand of an injective cogenerator
  1656. diagonalizable??
  1657. I don't get Eigenvalues or Eigenvectors
  1658. Generated by two subgroups?
  1659. subspace question
  1660. vector space isomorphism
  1661. conjugacy in algebra
  1662. Ambiguous Group Law
  1663. The (i,j)-minor of a matrix: multilinear map?
  1664. adjoint multiplicity
  1665. solvable polynomial definition problem
  1666. Using an accelerometer to measure speed
  1667. a zero column while solving
  1668. Automorphisms of Finite Groups
  1669. Tensor product of vector spaces
  1670. recognizing a product of two 3d rotations (matrices)
  1671. modulo groups
  1672. Gaussian Elimination?
  1673. Casey's thread of annoying Linear Algebra questions
  1674. Determinant of 10x10 Matrix
  1675. alternate definition of field?
  1676. Varieties, rings, fields
  1677. Checking for a point inside a region of a spherical surface
  1678. Tensor Product.
  1679. Normed space and its double dual
  1680. determinant question
  1681. boolean algebra...
  1682. Problem from Lang
  1683. Find the point D such that all the triangles have the same area.
  1684. eigenvalue kind of nilpotent problem
  1685. Transforms that Preserve The Dominant Eigenvector?
  1686. Least squares Ridge Regression - how to do with solver that takes matrix input?
  1687. finite presentation of groups
  1688. Eigenvector for Large Matrix
  1689. Field on R^3 and isomorphism between C and R
  1690. Geometry of Linear Systems
  1691. Tensor Product question.
  1692. solvable groups
  1693. Matrix of bilinear form
  1694. having difficulty with an Ax=b problem and understanding it
  1695. subalgebra of one less dimension
  1696. dimension of eigenspace, multiplicity of zero of char.pol.
  1697. finitely generated groups...
  1698. How to diagonalize NxNxNxN matrix
  1699. Connection between polynomials and groups
  1700. understanding root systems
  1701. Testing a Lanczos (tridiagonalization) algorithm
  1702. Maximisation
  1703. Rotating vectors and matrices
  1704. Different Type of Extension Problem for Groups
  1705. Least Squares source code in C++?
  1706. Infinite Set
  1707. simple summation question
  1708. universal algebra?
  1709. question regarding multiple steps in linear mapping
  1710. Show this need NOT be an ideal
  1711. Su(8)???
  1712. Eigenquestion
  1713. Linearly independent but not orthogonal, how come?
  1714. Proofs in mathematics
  1715. Pauli Matrices and Structure Constants
  1716. Quick Question About Tensor Products
  1717. Proof on Order of Elements in a Group
  1718. A Basis Question
  1719. eigenvalues & eigenvectors of N x N matrix?
  1720. Complex Cholesky Decomposition
  1721. Complex Cholesky Decomposition
  1722. Help with full rank factorization
  1723. trouble to draw protein helix
  1724. how do matrices work
  1725. findng a group between two groups...
  1726. Difference between a vector space and a field
  1727. Vector spaces...
  1728. Show G is a Group.
  1729. Michael Artin's Algebra
  1730. rotating circles in 3D
  1731. Simple question on disproving a group isomorphism...
  1732. Formal construction
  1733. Scalar field
  1734. how to evaluate Nonorthogonal basis?
  1735. Rotation matrix (nxn).
  1736. proof of normal matrix criterion
  1737. Infinite cyclic groups isomorphic to Z
  1738. Structure constants of su(2) and so(3)
  1739. Set Question
  1740. Conjuction of sets
  1741. Cross product
  1742. normal subgroup?
  1743. Does least squares regularization have to be iterative?
  1744. Subgroup of Sym(n)...
  1745. Semigroups: why semi-?
  1746. Hyperplanes...
  1747. Singer Cycles
  1748. Natural isomorphism of Left adjoints
  1749. quadratic form question
  1750. group homomorphism
  1751. Recursive solution of determinants
  1752. A Proposition in Galois Theory
  1753. Polynomials in Z modulus 9...
  1754. Check my work (Spivak problem in Calculus on Manifolds)
  1755. Vector Space Sums
  1756. semisimple modules
  1757. semiprime ring
  1758. modules
  1759. ring theory
  1760. need help identifying operator
  1761. Primitive polynomials
  1762. Noetherian ring
  1763. Z_4 is not a simple group.
  1764. IS f(x)= x^4 + x^3 -x^2 - 2x -2 irreducable over Q??
  1765. primitive 5th root of unity extension
  1766. ker(phi) = {0}, then phi injective?
  1767. Possibly stupid question
  1768. solvable group of matrices?
  1769. eigenvalue question, hermitian matrix
  1770. Spreading vectors around an area
  1771. Linear least squares, condition number
  1772. Irreducable ploynomial in Z5
  1773. isomorphic groups that have different properties?
  1774. projective modules
  1775. Polynomial factor rings
  1776. Rank of a matrix
  1777. Integers. I need help on this one please???
  1778. Givens rotations versus Euler angles
  1779. prime and jacoboson radical
  1780. Why not embed F/R into F?
  1781. a simple domain not being skew field?
  1782. algebra
  1783. strongly nilpotent
  1784. Transforming a 4x4 matrix from one base to another
  1785. Direct Sum
  1786. n^2 Modular Arithmetic
  1787. a question of fully invariant subgroup
  1788. eigen value problem
  1789. basic group theory
  1790. Cardan's cubic equation
  1791. skew symmetric matrix question
  1792. Generalized Eigenvectors
  1793. solving questions
  1794. doubt in two phase to solve LPP
  1795. string
  1796. Duals in Dirac Notation
  1797. primitive polynomial?
  1798. Order of Elements!
  1799. # of different binary ops. on a set S
  1800. Is partial trace still cyclic?
  1801. Equivalence relation in complementary subspace
  1802. Abstract Algebra - Q/Z
  1803. Name of Norm-preserving Linear Transformations?
  1804. a question of element order of finite group
  1805. finding a polynomial when only given five points
  1806. vectors, dual vectors
  1807. Markov Chain - Rat w/4 Rooms
  1808. Need help! Inverse!
  1809. How to find vector coordinates in non-orthogonal systems?
  1810. The logic behind the cross product with units...
  1811. Normal subgroups and Abelian property
  1812. properties of 4x4 symmetric matrix with eigvals E1, -E1, E2, -E2
  1813. very important........
  1814. need some advice for linear algebra
  1815. Abstract Algebra
  1816. characteristic polynomial splits into linear factors
  1817. The convergence of a matrix equation
  1818. matrix rref (with variables!)
  1819. Finite Dimensional Vector Spaces - Paul R. Halmos
  1820. quotienting is a generalisation of division!
  1821. polynomial of degree 7
  1822. odd determinant
  1823. normalizer of Sylow p-subgroup of simple groups A_n
  1824. why doesn't this presentation embed?
  1825. Why the need for Lagrange's Theorem?
  1826. properties of the matrix representation of a cross product
  1827. Geometric interpretation of SVD
  1828. Lattices in nilpotent Lie groups
  1829. Interpretation of A A^T
  1830. Characteristic of basis?
  1831. c10 Group, 10th roots unity with complex number multiplication
  1832. Determinant formula in monomials -- can it be generalized?
  1833. Isomorphic groups?
  1834. 2x2 matrix inverse
  1835. Finding all vectors normal to a given set of vectors
  1836. Hermitian vs. self-adjoint operators
  1837. Groups
  1838. Complex conjugate variables as independent variables in polynomial equations
  1839. Linear algebra and circuits
  1840. cross product and vector space
  1841. ideals of direct product of rings are direct product of respective ideals?
  1842. counting cycles in a permutation
  1843. countability of basis
  1844. number of distinct base
  1845. color theory:rgb to cmyk detailed mathematical description
  1846. Linear Independence/Dependence of Vectors
  1847. Why is a homomorphism the way it is?
  1848. Question about Group theory
  1849. Vector space of the product of two matrices
  1850. Difference between R-algebra and R-module (R is a commutative ring)
  1851. Diophantine Equation
  1852. function proofs
  1853. modular arithmetic
  1854. modular arith 2
  1855. proof of composites
  1856. Matrix exponentials
  1857. matrix rank
  1858. RQ decomposition from QR decomposition
  1859. Congruence Class - Proof of a number divisble by 7
  1860. What is the purpose of the transpose?
  1861. linear operator decomposition
  1862. Subspace question
  1863. Group representations
  1864. Linearly dependent set of vectors?
  1865. showing isomorphism?
  1866. Spanning set
  1867. Does this make sense?
  1868. If ab in G, then a and b in G??
  1869. Cauchy-Bunyakovsky-Schwarz inequality
  1870. order of non-disjoint cycles
  1871. prove not isomorphic?
  1872. help regarding WLS?
  1873. generator of quotient group
  1874. Question about a Theorem in Gallian's "Contemporary Abstract Algebra"
  1875. Solving Polynimals in the ring mod p^r
  1876. real spectrum, not self-adjoint
  1877. Making a collection of sets as a group
  1878. Alternating group A_4?
  1879. Linear Transformations
  1880. Eigenvalues
  1881. Size of GLn
  1882. Algebraic Equation
  1883. how to end the proof
  1884. Linear transformation of a 2nd order pde
  1885. RREF help
  1886. Solving AM = MB
  1887. What do you call this homomorphism?
  1888. matrices
  1889. Question regarding sylow subgroups..
  1890. Representing a dot product with Sums.
  1891. Tensor components of a Hodge dual
  1892. just starting linear algebra
  1893. [a,b] is sequentially compact
  1894. The order of cyclic subgroups
  1895. examples of non abelian p-group
  1896. projection matrix onto a subspace
  1897. Subset of a group
  1898. number of 2-elements
  1899. Homomorphism between commutative rings
  1900. X=i
  1901. Cross Product Polar Coor
  1902. question about centralizer and normalizer
  1903. light cone question
  1904. basis vectors, again
  1905. Tannaka Krein duality
  1906. Asking for Linear programming problems
  1907. Any deep results from Hopf Algebras (or Quantum groups)?
  1908. All homomorphisms on Z to Z
  1909. is integration of polynomial a bilinear for
  1910. Understanding " f:S --> R"
  1911. Element order in factor groups
  1912. determining whether homomorphism or not
  1913. Parametrising a surface
  1914. Recommend a good Linear algebra text.
  1915. Proving H is normal
  1916. Finding a vector orthogonal to others
  1917. Wedge product
  1918. Orders of products of group elements.
  1919. Equation of a plane (General and Point-Normal Form)
  1920. Order of an element in relation to the centre.
  1921. Adjacent Transpositions of Permutations.
  1922. Distance between point-plane & plane-plane
  1923. Covariance of Generalised Inverse?
  1924. Group - How to transform?
  1925. Quotient space example
  1926. Simplicity of sl2(F)
  1927. Matrix Transpose
  1928. Pseudo Inverse and Transpose
  1929. Solving vv^T = M
  1930. When to us dot versus cross product
  1931. normal groups
  1932. Simple intuitive/graphical interpretation of the Gauss-Seidel method
  1933. Is this matrix famous?
  1934. Scalar triple product, volume, and ordering
  1935. looping in algebra with programming?
  1936. Tensor product of two vectors
  1937. Find eigen values?
  1938. parity of permulation groups
  1939. Jordan Canonical Form
  1940. matrix multiplication question..
  1941. Order of groups in relation to the First Isomorphism Theorem.
  1942. Levi Theorem
  1943. Is every Toeplitz matrix invertible?
  1944. Matrix Identify involving Diagonal Matrix
  1945. Group Theory question
  1946. precise definition of linear combination
  1947. least-squares solution
  1948. Isomorphisms between cyclic groups!
  1949. linear representations
  1950. lie algebra
  1951. Lie Subgroup - Cartan's Theorem
  1952. difficult polynomial and determinant formula
  1953. generalised cartan matrix
  1954. Positive-semi-definite matrix
  1955. generator of the additive gr. Z_m
  1956. Any implications of this diagonal element inequality?
  1957. nullity and column spaces
  1958. dimension of vector spaces
  1959. Group of units of a field
  1960. Approximate finding nearest neighbor vectors
  1961. mapping ( linear transformation)
  1962. Very very quick quiestion about D_4?
  1963. eigenvectors of commuting matrices
  1964. image of a linear map
  1965. Solubility of the General Linear Group
  1966. primitive matrix
  1967. Prove quotient ring of PID is PID too
  1968. for help
  1969. quadratic forms
  1970. Dilema about Z_10--->Z_10??
  1971. Knot Theory
  1972. Theorem concerning free abelian groups
  1973. Triangular Form of a matrix
  1974. General Solution of Matrix
  1975. Isomorphism beetwenn vector space and sub space
  1976. Number of invertible/non-singular matrices over a finite field
  1977. Module action sends zero to zero?
  1978. Inner product on root space (lie algebra theory)
  1979. Vector Space, dimensions and kernal rank
  1980. Group Action on a Set
  1981. Solution space to homogenous equations.
  1982. real and complex canonical forms
  1983. Linear Algebra textbooks
  1984. Jordan Normal Form & Wronskian Derivative
  1985. Lie Algebra Casimirs
  1986. affine fixed points
  1987. group symmetry
  1988. vector product in C³
  1989. su(n) to sl(n,C)
  1990. z-transform
  1991. Number of primative roots in finite fields of order p^n
  1992. basis change matrix
  1993. Chinese remainder theorem
  1994. Confused about Ax=b
  1995. methieo group
  1996. inner product questions
  1997. inner product space of matrices
  1998. Z[i]-module Question
  1999. p-Sylow subgroup congruence
  2000. commutative diagram, module homomorphisms
  2001. valuation ring questions
  2002. n-divisible, n-torsionfree
  2003. Vector spaces
  2004. Irreducible Polynomial over Z
  2005. Building positive roots from simple roots
  2006. Euclidean Norm
  2007. Galois extension, lattice of subfields
  2008. Why is the Gram-Schmidt Process Numerically Unstable?
  2009. Dot Product
  2010. Symmetric group (direct product and decomposition)
  2011. Symmetric matrices
  2012. Linear Algerba - Finding linearly independent vectors
  2013. Properties of the leftnullspace
  2014. T-invariant subspace
  2015. lie algebra su(2)
  2016. direct product of rings
  2017. Continuity of Matrix Inverse
  2018. C(ab) = c(a)?
  2019. product nonhomogeneous matrices
  2020. How to find the spectral decomposition of T
  2021. Diagonalizable and Nilpotent
  2022. Generalized Spin Matrices
  2023. Ordered Basis
  2024. Tensor Product Construction
  2025. Raising Matrices to power of n. (complex)
  2026. Quadratic forms, diagonalization
  2027. equivalence relations?
  2028. A Line in Three Dimensions
  2029. Dual Vector Spaces
  2030. Root of Non-Linear Eqn (Numerical Method)
  2031. Linear Algebra Question
  2032. this upper limit is wrong...!! I need a help
  2033. Relation between rank and number of non-zero eigen values.
  2034. does group theory deal with asymmetry?
  2035. questions about group presentations
  2036. Rep tensor product of GL(2,C)
  2037. Linear Transformation from R^2 to R^3
  2038. Non-Associative groups
  2039. basis
  2040. permutation mapping
  2041. what are the rank conditions for consistency of a linear algebraic system?
  2042. Studying abstract algebra?
  2043. How to show two rings are not isomorphic
  2044. Finding Axes of Conic Section Equation
  2045. The Jordan-Hölder theorem
  2046. Diagonalizable Matrices & Eigenvalues!
  2047. Consisity of non-homogenous systems of linear equations
  2048. Mueller matrix - rotation
  2049. Inner Product Clarification
  2050. Help w/ Proof in Category Theory
  2051. AX=B versus Ax=b
  2052. Representation of a Rotation Matrix
  2053. Apparent fallacy in linear operator theory
  2054. Binary polyhedral groups
  2055. Isomorphism between R^inf and a proper subset of R^inf
  2056. Condition on minors to be Positive Semidefinite (PSD)
  2057. Cartesian coordinate space transformation question
  2058. Rows that get zeroed out during elimination
  2059. challeng !!!!! in simplifying the Grammer
  2060. Why eigenvalue specification reduces the no. of LI equations?
  2061. Proof, intersection and sum of vector spaces
  2062. natural isomorphisms
  2063. Symmetric group to metric space
  2064. Linear transformation and its matrix
  2065. need help designing a model and using excel
  2066. One-parameter subgroups and exponentials
  2067. Forming a basis
  2068. Linear Dependence
  2069. correspondence between between tensor product and bilinear maps
  2070. Proof of the Riesz theorem
  2071. Elementary Row Operations - only need two?
  2072. Linear independence and orthogonaliy
  2073. Subrings and Subfields
  2074. Cartan/Weyl basis. Please check I understand it properly
  2075. Lagrange Polynomials Questions
  2076. Matrix multiplication: Communicative property.
  2077. minimal invariant subspaces
  2078. direct sums
  2079. torsion-free modules
  2080. Dot product of tensors?
  2081. New to this kind of math
  2082. addition of subspaces
  2083. Coordinate Transformation Property
  2084. Orbit?
  2085. Factorization of Polynomials over a field
  2086. Fermats little theorem on permutations
  2087. Matrix Exponential
  2088. Dimension of a Matrix?
  2089. Trace and Determinant
  2090. Ideas on Linear Algebra proof
  2091. Vector spaces
  2092. Group of Rotations
  2093. Polynomial ring
  2094. Laplace transform as a dual space
  2095. Equivalences
  2096. Difficult Question on Permutations
  2097. Hubbard's & Hubbards "Concrete To Abstract" Function
  2098. O(V) and SO(V) algebras
  2099. Vector Norms
  2100. Matrix Operations
  2101. Linear Space
  2102. complex orthogonal group
  2103. Matrix pseudo-inverse to do inverse discrete fourier transform
  2104. Solve for a
  2105. Vector subspace as the space of solutions to matrix multiplication
  2106. Homomorphism from Z into a nonabelian group
  2107. Number of groups of a given order?
  2108. Bilinear forms
  2109. basis of subspace
  2110. Dot product between Spherical and Rectangular.
  2111. Trace of a matrix equals sum of its determinants?
  2112. Direct limits
  2113. need to find eigenvector that corresponds to max eigenvalue
  2114. Localizations of Z
  2115. eigenvalues - real and imaginary
  2116. Proof of ab|c
  2117. Wedge Product
  2118. Kernel <--> Ideal?
  2119. Please help! Field extension problem
  2120. Kronecker Delta use
  2121. Symmetric Matrices to Jordan Blocks
  2122. Quandles
  2123. Transformation matrix, vector algebra word problem
  2124. question for the spanning set
  2125. On the invertibility of symmetric Toeplitz matrices
  2126. Adjoint representation of a Lie algebra of a same dimension that the basis representa
  2127. Transforming a 3D vector using matrix
  2128. Orthochronal subgroup of the Lorentz group
  2129. Splitting Fields
  2130. Projection matrices
  2131. Matrice word problem
  2132. how to determine galois group?
  2133. frobenius map
  2134. Finitely generated ideals
  2135. what is Wyckoff symbol?
  2136. How many inversions are there?
  2137. Null space and Column Space
  2138. Good linera algebra books for beginners
  2139. how to solve for a_k in this linear system ?
  2140. A "simple" question about isomorphisms
  2141. Dot product & Cross product
  2142. I still don't quite get the idea of subspaces, span, and range...
  2143. involutions (of real functions)
  2144. composition of functions
  2145. Subspace spanned by a vector
  2146. module question
  2147. Question on order of an element
  2148. What do we call the function in this diagram?
  2149. Orthogonal group over finite field
  2150. Linear algebra question about matrices
  2151. how to formalize this unary operation?...
  2152. convolution inverse
  2153. scalar product and isospace
  2154. Determinant of Vector Space?
  2155. Linear algebra question....
  2156. finitely generated modules and endomorphisms
  2157. subgroups in universal algebra
  2158. Are these statements TRUE or FALSE...and why?
  2159. Does this concept have a name?
  2160. Inverse (LS) problem for binary data
  2161. Grammar into normal form
  2162. Algebra is like a black box?
  2163. Linerization of non-linear models
  2164. Commutator question.
  2165. union of subspaces of a linear space
  2166. What kind of group is this?
  2167. Determine whether or not something is a subspace
  2168. What do the directions of eigenvalues represent?
  2169. pointwise-product (meaning?)
  2170. Exercise 56 in chapter 1 of Lang's algebra
  2171. Whether the morphism has special name
  2172. Matrix teaser...any suggestions?
  2173. Which are true?
  2174. products of representations
  2175. Nilpotency of Matrix with one eigenvalue
  2176. Sirjective Fuction
  2177. Surjective Fuction
  2178. mathematical physics
  2179. Coordinate Transformation - velocity?
  2180. Quartic with complex coefficients
  2181. Terminology
  2182. Computer Vision, Corners and Eigenvalues
  2183. Various proofs I just want to verify
  2184. Finite abelian group of size p-1
  2185. Representations of algebras?
  2186. a nonlinear system of algebraic equations
  2187. elimination of parameter
  2188. Span
  2189. dimension of preimage question!
  2190. Matrix rep. of form, before and after tensoring.
  2191. Are vector spaces spans?
  2192. generator of ciclic group over finite field
  2193. Topological properties on Linear spaces
  2194. Composition of Linear Transformation and Matrix Multiplication
  2195. Composition of Linear Transformation and Matrix Multiplication2
  2196. The generalized rank-nullity theorem
  2197. For vector AB, how to find vector B given vector A and the angle between
  2198. Character of a representation
  2199. transforming a 6x6 stiffness matrix
  2200. Taylor Algebra?
  2201. Strang's book, question about exercise
  2202. GR Math: how does tensor linearity work?
  2203. Applications of Abstract Algebra?
  2204. Bases, Invertibility and Injectivity Query
  2205. Cost Function
  2206. some linear algebra problems i need help with
  2207. Basis of a module
  2208. a question of order of the product of two elements
  2209. proof for cross product (please)
  2210. Easy questions
  2211. Decreasing numbers equation
  2212. Diagonalizability and Invertibility
  2213. Morphism which preserves convolution?
  2214. Meaning of strong eigenvalues
  2215. Equivalence of Unimodular (Quadratic)forms on Abelian groups
  2216. Antisymmetric but non-symplectic
  2217. multiplication modulo p
  2218. Composition of Linear Transformation and Matrix Multiplication
  2219. Rectangular matrices question
  2220. Lorentz according to Bamberg & Sternberg
  2221. Invertibility
  2222. commuting linear maps
  2223. Invertibility2
  2224. Simple Field Extension Question
  2225. Irreducible Polynomial
  2226. Oblique projection
  2227. Algebra for rotations
  2228. I have a problem about rank of positive semidefinite matrix
  2229. Infinite dimensional representation of su(2)
  2230. Null space of 3x3 matrix
  2231. Span is a subspace proof
  2232. Change of Coordinate Matrix
  2233. Common roots of multivariate polynomials
  2234. Singular Values & Linear Transformations
  2235. Polynomials and finding a basis
  2236. Proof about an odd degree polynomial
  2237. Homogenous Polynomials and Algebraically Independent Sets
  2238. A question about the rank of a linear operator
  2239. Applications of Linear Inequalities?
  2240. vector
  2241. Q(sqrt(2)) and Q(sqrt(3)) not isomorphic?!
  2242. Proof.
  2243. A question about the rank of the sum of linear transformations
  2244. Structure of elements of the unitary group
  2245. About rank-nullity theorem
  2246. Vectors and Angles
  2247. Solving simultaneous linear difference equations
  2248. Complex Vectors in Geometric Algebra
  2249. Jordan Can. Form of Frobenius map
  2250. The rank of a matrix
  2251. Tips on finding the eigenvalues of a 3x3 matrix
  2252. Rank 0
  2253. x_tanspose*x vs. x*x_transpose
  2254. co/contra/in-variance of tensors in abstract algebra
  2255. Subspace proof
  2256. Isomorphisms
  2257. Isomorphisms between cyclic groups? (stupid question)
  2258. Is this MathWorld page wrong? (it's about hyperplanes)
  2259. Universal algebra?
  2260. two independent eigenvectors
  2261. ONTO - Surjection
  2262. Characteristic Polynomials and Minimal polynomials
  2263. Schur decomposition ambiguity
  2264. Modulus
  2265. little bit confuse on vector space
  2266. Orthogonal Complements.
  2267. Linear Algebra>Calculus
  2268. Discrete Fourier Transfrom Spectrum
  2269. Basic question, vectors into matrices
  2270. Finite Field Question
  2271. Use of representation theory?
  2272. solving an example, vectors as rows or columns of a matrix = same solution.
  2273. Relation between spectrum in algebraic geometry and spectrum in functional analysis
  2274. Galois Theory
  2275. Question on Galois Group
  2276. About the basis of a quotient space
  2277. About the isomorphism of 2 infinite-dimensional vector spaces
  2278. compact right topological semigroup ??
  2279. Basis
  2280. Linear Algebra
  2281. Solve this.
  2282. Normalization
  2283. Easy decomposition question
  2284. I need a second opinion on a Graph Theory proof.
  2285. Eigenvectors and Manipulations on the Matrix
  2286. Determinants of order n
  2287. Show every group of order 77 has elements of order 7 and 11
  2288. Determinants
  2289. Changing the subject of a formula
  2290. Embed Sn in A(n+2)
  2291. Learning Algebra
  2292. Linear independence of eigenvectors
  2293. Why are the casimirs independent of the representation
  2294. Eigenvalue
  2295. Transformation of some formula
  2296. Multi-dimensional regression
  2297. Field theory and valuations of codimension 2?
  2298. Practical Uses for Eigenvalues
  2299. Peer evaluation dilemma
  2300. Simple category theory isomorphism
  2301. linear combination of vectors
  2302. Rank of a matrix
  2303. About the idempotent R-homomorphism
  2304. About R-module
  2305. About a torsion module
  2306. numerically solving the null vector
  2307. Linear Algebra Definitions
  2308. System of nonlinear algebraic equations
  2309. reference frames
  2310. plot graph of points with known inter distances
  2311. Galous group, modules
  2312. The subtle difference between matrices and linear operators
  2313. Diagonalization
  2314. Determine if linearly independent?
  2315. Norm Satisfying the Parallelogram Law
  2316. Solving Differential Equations
  2317. Diagonalization-ordered basis
  2318. Finding the equation of a plane in 3-space
  2319. eigenvectors of first-order differential equation
  2320. Diagonalization 2
  2321. set notation
  2322. Proof of Congruence Transformation
  2323. I need help please?
  2324. How to know if the given vector is less or greater than the other vector?
  2325. the galois group of x^4 + 1 over Q
  2326. Direct Product of two Groups
  2327. signature
  2328. Eigenvalue theorem
  2329. Injective linear tranformations
  2330. Discrete hellmann-feynman theorem ??
  2331. Prove - determinant
  2332. Eigenvalue question
  2333. vector identity
  2334. Linear Algebra Exam Papers
  2335. Calculating Dim(ran(T) & Dim(Ker(T)
  2336. Axioms of Vector Spaces
  2337. Generators of R4
  2338. A weird eigenvalue problem
  2339. Matrix entries
  2340. Condition for a matrix to be Positive semi-definite
  2341. false proof
  2342. If x is a cycle of length n, x^n is the identity.
  2343. Characteristic Polynomials/Eigenvalues
  2344. linear depedency
  2345. Groups and graphs...
  2346. collinear vectors over finite fields
  2347. Inner Product of 0 vector, & Complex numbers
  2348. Eigenvalues and Eigenvectors of 3x3 matricies
  2349. When are linear transformations not invariant?
  2350. Dividing By Zero
  2351. Geometric intepretation of matrices
  2352. Is there some can help on block Toeplitz matrix
  2353. span(S1 ∩ S2) ⊆ span(S1) ∩ span(S2)
  2354. Point on a Vector?
  2355. How to orthogonalize Householder for Toeplitz
  2356. Eigenvalues and eigenvectors of symmetric 2x2 matrix?
  2357. Trigonometry of a sphere
  2358. functions and infinite dimensional vectors
  2359. Does isomorphic imply....
  2360. The minimal polynomial
  2361. How to solve this Riccati equation?
  2362. The (i,j) component of a Kronecker product?
  2363. 3 questions about matrix lie groups
  2364. Classifying a Lie Algebra from some brackets
  2365. About the linear dependence of linear operators
  2366. About the invariance of similar linear operators and their minimal polynomial
  2367. What is exactly a Trace ?
  2368. clueless about inner products
  2369. How to Obtain Similar Eigenvalues
  2370. E-values/E-vectors
  2371. what is the name for f(ab)=f(b)f(a)?
  2372. is there a name for ab=k
  2373. ax + b Least Squares Minimization Standard Form
  2374. Another necessary condition for Positive Semidefiniteness?
  2375. Symmetry of eigenstates
  2376. Are you able to solve this Simple Matrix Challenge?
  2377. Lie Algebras
  2378. non-adjoint conjugate
  2379. semigroup partitions and Identity element
  2380. Eigenvalues and Eigenvectors uniquely define a matrix
  2381. (sub)semigroup with an endomorphism
  2382. Question about orthogonal projections.
  2383. Cyclic abelian group of order pq
  2384. subgroup wth morphism into itself
  2385. Simultaneously diagonalization?
  2386. Greatest common divisor of polynomials
  2387. Question about Direction Cosine Matrix
  2388. Linear subspaces challenging question
  2389. Commutators
  2390. Another question about projections.
  2391. How could I change an equation to look the same as it did with "inverted" axes?
  2392. Vandermonde matrix
  2393. Question about a proof.
  2394. Dihedral cipher? I believe
  2395. subspace of a matrix
  2396. Index conventions
  2397. F4 algorithm for calculating Groebner bases
  2398. 4-vectors and tensor algebra
  2399. Prove eigenvalues are real
  2400. adjoint transformation (inverse)
  2401. Constructing an irreducible polynomial in Z_{p^(m+1)}
  2402. Algebra
  2403. Basis for the set of all cts fns?
  2404. Factorisation
  2405. Question about Gram-Schmidt orthogonalization
  2406. Rotation matrices in R^3
  2407. Trace operator
  2408. Unimodular Matrix
  2409. Symmetric matrices maybe
  2410. A matrix is diagonalizable when algebraic and geometric multiplicities are equal
  2411. A matrix is diagonalizable when algebraic and geometric multiplicities are equal
  2412. conjugate homogeneity
  2413. how coefficient matrix property change with dt?
  2414. Exponential of a Matrix
  2415. Describing the Sylow 2-subgroups of S5
  2416. Relating to Duality in Vector Spaces
  2417. Transformation matrix on tensors
  2418. Matrix with Orthonormal columns
  2419. Diagonal Matrix Proof help
  2420. what kind of space is this?
  2421. what can the multiplication table tell us about the representation?
  2422. Group (Associativity of Binary Operators)
  2423. Schwarz inequality
  2424. Irreducible Representations of so(4,C)
  2425. making T self adjoint
  2426. Clifford algebra
  2427. matrix determinant operator commutative?
  2428. Lanczos Algorithms via Polynomial approach
  2429. Linear Equations
  2430. numerical algorithms for finding an eigenvector
  2431. Question about the definition of a vector space...
  2432. Is a symmetric matrice allways nonsingular?
  2433. Non-uniform bi-linear interpolation
  2434. How do i get the point of intersection of a line and a circle?
  2435. Reconstructing operator matrix from subspace samples
  2436. Shilov's Linear Algebra determinant notation.
  2437. SU(3) representation mystified need help
  2438. basis in function space
  2439. Linear Algebra and Vectors
  2440. how to find two endpoints of a line..??
  2441. question about positive operators.
  2442. column space of a matrix
  2443. Transformation to flip handedness of a 4-vector
  2444. Projection matrix
  2445. Lie Group sans Identity Matrix
  2446. preconditioner implementation
  2447. Obscure determinant question
  2448. geometrical interpretation of dot product (trying to prove)
  2449. Proof
  2450. Why is Ax in col(A) if (A^T)Ax=0
  2451. null matrix and invertible matrix
  2452. Spherical Radial Functions and Zonal Spherical Functions
  2453. Eigenvalues and eigenvectors of this matrix
  2454. innner products and basis representation
  2455. Must every linear operator have eigenvalues? If so, why?
  2456. Getting comfortable with homological algebra
  2457. Strange form of diagonalization
  2458. Minimising a vector over a restricted range
  2459. Isomorphism (Fraleigh 7th: Section 5)
  2460. LU Decomposition
  2461. polar decompositions
  2462. eigenvalue with multiplicity k resulting in k orthogonal eigenvectors?
  2463. confusing about linearity and nonlinearity
  2464. Connection
  2465. Conjugate of a matrix and of a function
  2466. Cube and square doubles
  2467. proving a group is abelian
  2468. Lorentz Force Equation
  2469. Hoffman and Kunze
  2470. Hermitian inner product btw 2 complex vectors & angle btw them
  2471. Group cohomology problem
  2472. Group.
  2473. Proof of inner product for function space
  2474. Condition for positive definite-ness
  2475. Cayley's theorem
  2476. abstract algebra - direct sum and direct product
  2477. Mystery equation written by an 8yr old
  2478. Group Action and a Cartesian Product
  2479. Adjugate matrix
  2480. Solving Matrix Equation (factorization)
  2481. Eigen-analysis insight
  2482. sum of infinitesimal rotations around different points in 2D space ?
  2483. I can't understand most of the topics on my Linear Algebra Book.
  2484. Find a permutation of order 15 in S8.
  2485. Linear transformation between bases...
  2486. Root finding problem
  2487. Help using Cramer's rule to show properties of determinants
  2488. linear combination
  2489. Information about the maximum
  2490. Kalman filters
  2491. Rotation of Elipse axes from covariance matrix
  2492. Can I use inverseof matrix?
  2493. Group Theory and Social Groups.
  2494. matrices infinite
  2495. Category Theory
  2496. How to find a basis of a subspace V = {(x1; x2;….; xn) | Σni=1 xi=0}
  2497. Isomorphic G sets
  2498. Dot Product Notation Clarification
  2499. group cohomology
  2500. Vector space property
  2501. Lie 3-Algebra
  2502. Need help to using matrix to solve.
  2503. Characteristic Zero
  2504. Trace of a matrix and an expansion of eigenvectors
  2505. Length of Vector Tensors
  2506. non commuting operators
  2507. Normalizer subgroup proof...proving the inverse
  2508. System of linear equations-unique, infinitely many, or no solutions
  2509. Normal sylow subgroup of a group of order p^aq^b
  2510. Projection of vectors and scalars
  2511. Monster Group Talk
  2512. A question about isomorphism
  2513. A question about the characteristic equation
  2514. Determinant of matrix
  2515. A strange kind of subspace
  2516. A strange kind of subspace
  2517. Solutions to a set of polynomials...(Commutative Algebra)
  2518. A General Linear Group question
  2519. Determinant of an orthogonal matrix
  2520. Proof
  2521. Parseval's equality and theorem?
  2522. Vector space question
  2523. Is "single valued" too restrictive for functors?
  2524. Linear Algebra Project
  2525. The order and signature of a k-cycle
  2526. Eigen values/vectors large symetric matrix
  2527. Direct Sum of Subspaces
  2528. Sums of Subspaces
  2529. Theorem from Hoffman and Kunze
  2530. equation of ellipsoid
  2531. question about matracies
  2532. Nilpotent Matrices
  2533. Cramer's rule
  2534. Alternative way to add numbers
  2535. Question about proof
  2536. determinant.. help!
  2537. Plane Fitting with Linear Least Squares
  2538. Quadratic forms
  2539. Organizing output in MATLAB
  2540. Clearer Understanding of Permutation and Transpositions
  2541. New equation
  2542. Linear mapping
  2543. About field
  2544. Exponential of (Markov Chain) Transition matrix
  2545. symmetries and shift of coordinates in 3D
  2546. Characteristic polynomial for nilpotent matrix.
  2547. Classification of the representations of the Lorentz algebra
  2548. primitive elements
  2549. Skew Symmetric Determinant Proof
  2550. Symmetric definite matrix is being pushed to indefinite in generalized eigen problem.
  2551. Linear algebra problem
  2552. Linear injective mapping
  2553. question on homogeneous systems
  2554. Problem regarding computation of factor groups.
  2555. Proof
  2556. Matrices
  2557. Householder matrix Proof
  2558. Invariance of Transformations
  2559. Quaternions
  2560. Right coset and orbits
  2561. Injection, surjection, and bijection
  2562. Basis of a nullspace
  2563. Sylow
  2564. Anyone familiar with Abel's insolubility of the quintic proof
  2565. Proving tr(A A^T) = tr (A^T A)
  2566. Just wondering about the "structure" of a determinant...
  2567. Prove that if A is an invertible matrix and AB = BC then B = C.
  2568. can vector spaces and their subspaces be visualized effectively?
  2569. How does XOR qualify as a linear function?
  2570. Group theory, isomorphism
  2571. Bijection between Orbit and Stabilizer
  2572. Commutatuve and not associatuve operation
  2573. Dihedral and Symmetric Group
  2574. Linear Operator and Self Adjoint
  2575. Vector spaces
  2576. Rank of a sum of matrices
  2577. group theory problem
  2578. Cross product!
  2579. Tidying up Vectors
  2580. Eigenvalues
  2581. Quaternion for 3D FPS Camera
  2582. Isometry
  2583. Help solving an eqn in Matlab
  2584. What's wrong with my algebra here? (dealing with determinants)
  2585. Does anyone know of any sites with a good general overview of linear algebra?
  2586. Basis
  2587. homogeneous system
  2588. Transform Grammer to Chomsky Normal Form
  2589. Updating a single eigenvector of a matrix
  2590. fuzzy ideals in Semigroups
  2591. order of ab?
  2592. Mersenne prime
  2593. Levi Civita Tensor in 4D
  2594. Group theory, Lagrange theorem
  2595. Precise relation between quaternion and vectors
  2596. Confusion regarding dot product of vectors(row matrices)
  2597. Vector Subspaces
  2598. Finding the number of elements in a cyclic group
  2599. How to graph in 3-space?
  2600. Solve XA=Y
  2601. Rank of a 2-vector (exterior algebra)
  2602. column subspace problem
  2603. The normalizer of the normalizer of a p-sylow supgroup
  2604. Condition # and Linear System Solution
  2605. Ax=b
  2606. Unitarity and Inner Products
  2607. Linear Transformation
  2608. Direct Stiffness Method 2D Frame
  2609. system equations - unique / no / infinite solution
  2610. finite abelian group
  2611. Formula needed
  2612. Lanczos Eigenvectors
  2613. Free Algebras
  2614. Eigenvalues of positive definite (p.d) matrix
  2615. difference between linear and nonlinear transformation
  2616. Determinant
  2617. e^At
  2618. span
  2619. What is a Regular Transition Matrix
  2620. Transition Matrix for betting game
  2621. Determinant 2
  2622. Subspace of Polynomials of degree 2
  2623. Connection of linear equation to span.
  2624. vector expressed in a basis noncoplanar, neither orthogonal nor of unit length
  2625. Isometry group for L1 norm
  2626. Classify up to similarity...
  2627. symmetric matrices.... help please!
  2628. Open problems/Research Suggestions...
  2629. Finding a Complex Conjugate value of wave function
  2630. innner product for which derivative operator is bounded
  2631. power of complex number
  2632. please help me.
  2633. determinant of (A+B) in GA: where is the mistake?
  2634. A problem with basis and dimension
  2635. Irreducibles of small degree
  2636. Factor Group Computations
  2637. How many 2x2 matricies equal I?
  2638. Does there exist an example?
  2639. Gaus -jordan elimination compared to cofactor method
  2640. kernel of a quadratic form
  2641. Fitting a quadric function to a set of points
  2642. how to prove that the symmetry group of a regular polygon has only 1 and 2 dim irredu