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How do physicists call a tensor of ## V^* \otimes V^* \otimes V##, (1,2) or (2,1)?
And which part do they call contravariant and which covariant?
I'm just not sure, whether the mathematical definition of funktors apply to the usances in physics.
(LUP - tensor)
And which part do they call contravariant and which covariant?
I'm just not sure, whether the mathematical definition of funktors apply to the usances in physics.
(LUP - tensor)