Question

Multiple index repetition in Einstein notation

score 524 · Answer 1 · 2018-12-24 05:17:27

524

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Multiple index repetition in Einstein notation

Published on 24 Dec 2018 - 5:17

score 27 · Answer 2 · 2026-03-25 06:05:34

27

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Switch to another object of same tensor 'rank' to introduce a different class of multilinear maps

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score 125 · Answer 3 · 2018-12-25 08:47:21

125

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How to prove the formula for two dots contraction of two tensors

Published on 25 Dec 2018 - 8:47

score 677 · Answer 4 · 2026-03-25 07:42:16

677

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score 1k · Answer 5 · 2026-03-25 17:29:51

1k

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score 1.6k · Answer 7 · 2019-01-03 10:19:08

1.6k

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score 1k · Answer 8 · 2019-01-06 02:25:14

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score 67 · Answer 9 · 2026-03-25 06:24:51

67

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score 2.8k · Answer 10 · 2026-02-23 00:50:46

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score 198 · Answer 11 · 2019-01-10 14:58:17

198

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score 28 · Answer 12 · 2026-03-25 16:00:15

28

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How do I write this multiple index tensor equation using Ricci calculus where the 4-gradient is acting on each tensor?

Published on 25 Mar 2026 - 16:00

score 247 · Answer 13 · 2019-01-14 02:21:50

247

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Proving zero identities in vector calculus with simple arguments involving index counting or symmetry?

Published on 14 Jan 2019 - 2:21

score 170 · Answer 14 · 2026-02-23 00:51:09

170

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score 284 · Answer 15 · 2019-01-16 08:56:05

284

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Published on 16 Jan 2019 - 8:56

List Question

Multiple index repetition in Einstein notation

Switch to another object of same tensor 'rank' to introduce a different class of multilinear maps

How to prove the formula for two dots contraction of two tensors

Black Holes and the Schwarzschild Solution

Derivative of matrix using index notation

Degrees of freedom of Riemann curvature tensor

covariant metric tensor in case of polar transformation

What's the geometric explanation of Lie Derivative and Covariant Derivative?

How to optimize a non-linear least squares energy with respect to the non-zeros of a sparse matrix?

Tensor Dot Product of two tensors of arbitrary order

product space, Tensors( Dyad), Kronecker Delta, metric tensor

How do I write this multiple index tensor equation using Ricci calculus where the 4-gradient is acting on each tensor?

Proving zero identities in vector calculus with simple arguments involving index counting or symmetry?

How do I tell the rank of the electric susceptibility tensor (and others)?

Why can we contract an upper index with only a lower index?

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