I'm reading "The variational principles of mechanics", written by C. Lanczos and he said that, if one have the condition dq_3 = B_1 dq_1 + B_2 dq_2 and one want to know if there is a finite relation between the q_i, on account the given condition, one must have the condition \frac{\partial...
Hi everyone,
All the books I have read until this moment only give an example of two one-forms antissymetrization, like A_{[\mu}B_{\nu]} but I want some examples like A_{[\mu\nu}B_{\sigma \rho]} or A_{[\mu}B_{\sigma \rho]} Does someone know a book or lecture notes that teach this or just...