Question

Can a Rank Three Tensor act as a Trilinear, Bilinear, or Linear Map?

score 243 · Answer 1 · 2026-05-10 14:44:06

243

Views

Can a Rank Three Tensor act as a Trilinear, Bilinear, or Linear Map?

Published on 10 May 2026 - 14:44

score 60 · Answer 2 · 2026-04-15 23:27:24

60

Views

Prove that $f$ and $g$ are differentiable on $\Bbb{R}^n$ and $\Bbb{R}^n-\{0\}$, respectively and compute $f'(x)$ and $g'(x)$

Published on 15 Apr 2026 - 23:27

score 79 · Answer 3 · 2026-04-14 04:45:19

79

Views

Prove using Implicit Function Theorem, that the equation $u^3-2u^2+uv+\operatorname{Id}=0$ has a solution for $|v|$ small enough

Published on 14 Apr 2026 - 4:45

score 97 · Answer 4 · 2026-04-14 21:25:23

97

Views

$f'$ is bounded and $\sup\limits_{c\in O}\Vert f'(c) \Vert<\infty$ if and only if $f$ is globally Lipschitz

Published on 14 Apr 2026 - 21:25

score 203 · Answer 5 · 2026-04-13 21:37:55

203

Views

Value changes after using a permutation in a wedge-product

Published on 13 Apr 2026 - 21:37

score 41 · Answer 6 · 2026-04-14 21:12:47

41

Views

Doubt on the construction of canonical exemple of the existence of Tensor Product Vector Space

Published on 14 Apr 2026 - 21:12

score 258 · Answer 7 · 2026-04-13 18:58:40

258

Views

Does the differential of an augmented dga algebra fix the augmentation ideal?

Published on 13 Apr 2026 - 18:58

score 50 · Answer 8 · 2026-04-14 18:48:01

50

Views

on the matrix representation of a canonical linear map on the vector space of $4\times 4$ skew-symmetric matrices

Published on 14 Apr 2026 - 18:48

score 128 · Answer 9 · 2026-04-13 17:52:56

128

Views

Determinant of a special type of skew symmetric matrix with complex entries

Published on 13 Apr 2026 - 17:52

score 542 · Answer 10 · 2026-04-17 04:58:09

542

Views

When is the set of tensors of rank at most $r$ closed?

Published on 17 Apr 2026 - 4:58

score 555 · Answer 11 · 2026-05-10 15:13:05

555

Views

Endomorphism between direct sum of modules $M := M_1 \oplus M_2$

Published on 10 May 2026 - 15:13

score 91 · Answer 12 · 2026-05-04 13:49:21

91

Views

Kronecker product SVD Error bound

Published on 04 May 2026 - 13:49

score 159 · Answer 13 · 2026-04-15 14:13:39

159

Views

Iterated integrals as pre-sheaves

Published on 15 Apr 2026 - 14:13

score 219 · Answer 14 · 2026-04-11 08:29:33

219

Views

A natural identification of the second exterior power of linear operators ?

Published on 11 Apr 2026 - 8:29

score 696 · Answer 15 · 2026-05-10 12:32:05

696

Views

About the symmetric multilinear maps

Published on 10 May 2026 - 12:32

List Question

Can a Rank Three Tensor act as a Trilinear, Bilinear, or Linear Map?

Prove that $f$ and $g$ are differentiable on $\Bbb{R}^n$ and $\Bbb{R}^n-\{0\}$, respectively and compute $f'(x)$ and $g'(x)$

Prove using Implicit Function Theorem, that the equation $u^3-2u^2+uv+\operatorname{Id}=0$ has a solution for $|v|$ small enough

$f'$ is bounded and $\sup\limits_{c\in O}\Vert f'(c) \Vert<\infty$ if and only if $f$ is globally Lipschitz

Value changes after using a permutation in a wedge-product

Doubt on the construction of canonical exemple of the existence of Tensor Product Vector Space

Does the differential of an augmented dga algebra fix the augmentation ideal?

on the matrix representation of a canonical linear map on the vector space of $4\times 4$ skew-symmetric matrices

Determinant of a special type of skew symmetric matrix with complex entries

When is the set of tensors of rank at most $r$ closed?

Endomorphism between direct sum of modules $M := M_1 \oplus M_2$

Kronecker product SVD Error bound

Iterated integrals as pre-sheaves

A natural identification of the second exterior power of linear operators ?

About the symmetric multilinear maps

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