All Questions
4
questions
5
votes
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answer
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What is the most general/abstract way to think about Tensors
In their most general and abstract definitions as Mathematical Objects :
A Scalar is an element of a field used to define Vector Spaces
A Vector is an element of a Vector Space.
Since a Scalar is ...
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3
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0
answers
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Gradient is covariant or contravariant?
I read somewhere people write gradient in covariant form because of their proposes.
I think gradient expanded in covariant basis i , j , k so by invariance nature of vectors, component of gradient ...
user87128
0
votes
1
answer
762
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A question about vector fields and divergence
I am reading the paper http://www.goshen.edu/physix/mathphys/gco/TensorGuideAJP.pdf in order to gain a basic understanding about tensors. I had some difficulties about understanding some definitions.
...
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1
vote
1
answer
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basic vector being hermitian
If the space has a mixed metric signature, not all the basis vectors are Hermitian.
Nevertheless, they are defined to be self-adjoint under reversion. The vector transpose
conjugate is, therefore, ...
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