List questions from tensors

Published on 25 Mar 2026 - 18:47

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$\nabla \cdot (\mathbf{B}\mathbf{B} - \frac{1}{2}B^2 \tilde{1})=(\nabla \cdot \mathbf{B})\mathbf{B} - \mathbf{B} \times (\nabla \times \mathbf{B})$

Published on 26 Jul 2014 - 22:38

57

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Is it necessary for a linear map to be an automorphism to allow polar decomposition?

Published on 27 Jul 2014 - 4:27

9k

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How to prove that the Kronecker delta is the unique isotropic tensor of order 2?

Published on 25 Mar 2026 - 6:06

858

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Why abstract index notation should not be confused with the Ricci calculus?

Published on 29 Jul 2014 - 20:27

1.4k

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Interpretation of $(r,s)$ tensor

Published on 27 Mar 2026 - 1:31

227

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Differentiation of scalar fields using tensor notation

Published on 31 Jul 2014 - 9:57

630

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Double dot product in Cylindrical Polar coordinates - Strain energy

Published on 23 Feb 2026 - 2:29

1k

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Decomposition of Tensor into a Product of Tensors

Published on 02 Aug 2014 - 19:49

3.3k

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expanding tensor notation of Navier stokes equation

Published on 03 Aug 2014 - 22:20

67

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Covariant and contravariant bases on a diffeomorphism

Published on 07 Aug 2014 - 17:06

54

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How can I compute the Lebesgue measure

Published on 07 Aug 2014 - 19:57

2.8k

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connection laplacian on general vector bundles

Published on 08 Aug 2014 - 9:41

682

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Tensor Calculus and Differentiation

Published on 08 Aug 2014 - 18:52

528

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Multiplication and derivation of 3D matrix

Published on 12 Aug 2014 - 15:26

List Question

Using metric to raise and lower indices

$\nabla \cdot (\mathbf{B}\mathbf{B} - \frac{1}{2}B^2 \tilde{1})=(\nabla \cdot \mathbf{B})\mathbf{B} - \mathbf{B} \times (\nabla \times \mathbf{B})$

Is it necessary for a linear map to be an automorphism to allow polar decomposition?

How to prove that the Kronecker delta is the unique isotropic tensor of order 2?

Why abstract index notation should not be confused with the Ricci calculus?

Interpretation of $(r,s)$ tensor

Differentiation of scalar fields using tensor notation

Double dot product in Cylindrical Polar coordinates - Strain energy

Decomposition of Tensor into a Product of Tensors

expanding tensor notation of Navier stokes equation

Covariant and contravariant bases on a diffeomorphism

How can I compute the Lebesgue measure

connection laplacian on general vector bundles

Tensor Calculus and Differentiation

Multiplication and derivation of 3D matrix

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