Question

$T^m(v)=v$ implies $T$ diagonalizable

score 168 · Answer 1 · 2026-04-13 22:10:39

168

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$T^m(v)=v$ implies $T$ diagonalizable

Published on 13 Apr 2026 - 22:10

score 154 · Answer 2 · 2026-04-11 21:48:53

154

Views

Shifting eigenvalues via skew-symmetric product

Published on 11 Apr 2026 - 21:48

score 154 · Answer 3 · 2026-04-14 04:16:30

154

Views

How to prove that 2 vectors in C(A) corresponding to orthogonal vectors in row-space of A are orthgonal?

Published on 14 Apr 2026 - 4:16

score 538 · Answer 4 · 2026-04-15 20:19:47

538

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The set of injective linear transformations is dense in $\mathcal{L}(\mathbb{R}^{n},\mathbb{R}^{m})$

Published on 15 Apr 2026 - 20:19

score 33 · Answer 5 · 2026-04-17 01:55:23

33

Views

If $G(\cdot,\cdot)$ is a symmetric bilinear form, and we know that $G(X,X)<0$ and $G(Y,X)=0$ then it must be the case that $G(Y,Y)>0$?

Published on 17 Apr 2026 - 1:55

score 103 · Answer 6 · 2026-04-06 04:24:51

103

Views

Fundamental Identities on Exponents

Published on 06 Apr 2026 - 4:24

score 162 · Answer 7 · 2026-04-13 10:28:54

162

Views

Trick to prove orthogonality for eigenfunctions?

Published on 13 Apr 2026 - 10:28

score 252 · Answer 8 · 2026-04-14 06:24:04

252

Views

Every $k$ dimensional subspace is $S$-invariant implies $S$ is a multiple of the identity

Published on 14 Apr 2026 - 6:24

score 97 · Answer 9 · 2026-04-15 06:31:40

97

Views

Finding a submatrix such that its inverse has the least frobenius norm.

Published on 15 Apr 2026 - 6:31

score 1.3k · Answer 10 · 2026-04-17 23:56:25

1.3k

Views

Finite dimensional symplectic vector space over field of arbitrary characteristic has even dimension

Published on 17 Apr 2026 - 23:56

score 38 · Answer 11 · 2026-04-14 15:11:14

38

Views

T-invariant subspace

Published on 14 Apr 2026 - 15:11

score 78 · Answer 12 · 2026-04-13 21:16:35

78

Views

A system of m equations in n unknowns, can all the coefficients of one unknown be zero?

Published on 13 Apr 2026 - 21:16

score 38 · Answer 13 · 2026-04-12 22:20:28

38

Views

The Proper Form of Eigenfunctions and Linear Operators

Published on 12 Apr 2026 - 22:20

score 21.2k · Answer 14 · 2026-03-29 19:26:08

21.2k

Views

How to find complex eigenvectors from complex eigenvalues?

Published on 29 Mar 2026 - 19:26

score 270 · Answer 15 · 2026-04-17 05:14:33

270

Views

Calculating upper and lower limits for a linear function

Published on 17 Apr 2026 - 5:14

List Question

$T^m(v)=v$ implies $T$ diagonalizable

Shifting eigenvalues via skew-symmetric product

How to prove that 2 vectors in C(A) corresponding to orthogonal vectors in row-space of A are orthgonal?

The set of injective linear transformations is dense in $\mathcal{L}(\mathbb{R}^{n},\mathbb{R}^{m})$

If $G(\cdot,\cdot)$ is a symmetric bilinear form, and we know that $G(X,X)<0$ and $G(Y,X)=0$ then it must be the case that $G(Y,Y)>0$?

Fundamental Identities on Exponents

Trick to prove orthogonality for eigenfunctions?

Every $k$ dimensional subspace is $S$-invariant implies $S$ is a multiple of the identity

Finding a submatrix such that its inverse has the least frobenius norm.

Finite dimensional symplectic vector space over field of arbitrary characteristic has even dimension

T-invariant subspace

A system of m equations in n unknowns, can all the coefficients of one unknown be zero?

The Proper Form of Eigenfunctions and Linear Operators

How to find complex eigenvectors from complex eigenvalues?

Calculating upper and lower limits for a linear function

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