List questions from tensor-decomposition

Published on 25 Oct 2020 - 20:20

593

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A tensor over $\mathbb R$ is sum of two decomposable tensors

Published on 28 Nov 2020 - 20:05

71

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How can I express a tensor in terms of a basis different to canonical?

Published on 06 Dec 2020 - 19:06

239

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How to show this tensor is not decomposable

Published on 14 Dec 2020 - 22:12

629

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Is every harmonic polynomial a linear combination of these?

Published on 28 Dec 2020 - 0:12

214

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What are the sufficient and necessary conditions for a unitary matrix to be written in a tensor product of 2x2 matrices?

Published on 14 Jan 2021 - 1:38

93

Views

Proving $R/I \otimes_R M \cong_R M/IM$ using UMP and a biadditive map not with exact sequences.

Published on 11 Feb 2021 - 5:41

84

Views

Why in tensors is the identity $\int{A_{\nu}\partial_{\mu}}\partial^{\nu}A^{\mu} = \int A_{\mu}\partial^{\mu}\partial^{\nu}A_{\nu}$ valid

Published on 13 Feb 2021 - 10:38

56

Views

Block metric tensor and Fermi coordinates.

Published on 05 Mar 2021 - 9:36

601

Views

SVD in scipy and numpy for tensors

Published on 16 Mar 2021 - 15:05

173

Views

References to Q-curvature

Published on 22 Mar 2021 - 13:02

276

Views

Schouten theorem and doubts in the calculation of the tensor derivative

Published on 23 Mar 2021 - 18:35

57

Views

Choosing an Irreducible Tensor Operator Basis where the Singular Values of Each Basis Element are the Same

Published on 01 Apr 2021 - 22:37

182

Views

How to build 2nd rank tensors from set of vectors?

Published on 04 Apr 2021 - 22:38

111

Views

Determine wether a skew-symmetric tensor is decomposable or not.

Published on 23 Feb 2026 - 5:10

List Question

Tensor Notation ambiguity

A tensor over $\mathbb R$ is sum of two decomposable tensors

How can I express a tensor in terms of a basis different to canonical?

How to show this tensor is not decomposable

Is every harmonic polynomial a linear combination of these?

What are the sufficient and necessary conditions for a unitary matrix to be written in a tensor product of 2x2 matrices?

Proving $R/I \otimes_R M \cong_R M/IM$ using UMP and a biadditive map not with exact sequences.

Why in tensors is the identity $\int{A_{\nu}\partial_{\mu}}\partial^{\nu}A^{\mu} = \int A_{\mu}\partial^{\mu}\partial^{\nu}A_{\nu}$ valid

Block metric tensor and Fermi coordinates.

SVD in scipy and numpy for tensors

References to Q-curvature

Schouten theorem and doubts in the calculation of the tensor derivative

Choosing an Irreducible Tensor Operator Basis where the Singular Values of Each Basis Element are the Same

How to build 2nd rank tensors from set of vectors?

Determine wether a skew-symmetric tensor is decomposable or not.

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