Question

How to interpret the smoother matrix?

score 1.3k · Answer 1 · 2026-04-29 12:52:01

1.3k

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How to interpret the smoother matrix?

Published on 29 Apr 2026 - 12:52

score 302 · Answer 2 · 2026-05-03 17:34:46

302

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Why are Killing form, Cartan ${\frak h}$, and roots $\alpha$, related by $\kappa(h,[x,y])=\alpha(h)\kappa(x,y)$?

Published on 03 May 2026 - 17:34

score 34 · Answer 3 · 2026-04-10 07:11:59

34

Views

Will the operator be unitary?

Published on 10 Apr 2026 - 7:11

score 64 · Answer 4 · 2026-04-11 10:30:50

64

Views

Proof help: a² = identity -> monoid must be a commutative group

Published on 11 Apr 2026 - 10:30

score 1.4k · Answer 5 · 2026-04-14 00:00:10

1.4k

Views

Doubts about a question I asked a long time ago (eigenvalues)

Published on 14 Apr 2026 - 0:00

score 2.3k · Answer 6 · 2026-04-14 02:38:39

2.3k

Views

What happens when $A$ has linearly dependent columns and $A^T A$ is thus not invertible?

Published on 14 Apr 2026 - 2:38

score 521 · Answer 7 · 2026-04-14 22:29:39

521

Views

Find a point on a line equidistant from the coordinate plane and from the origin point

Published on 14 Apr 2026 - 22:29

score 58 · Answer 8 · 2026-04-14 02:52:39

58

Views

$\mathbb{E}[X V^TVX^T]$ =?

Published on 14 Apr 2026 - 2:52

score 121 · Answer 9 · 2026-04-14 23:32:42

121

Views

Is this inequality on Schatten p-norm $\|AB\|_{S_p} \le \|A\|_{S_p}\|B\|_{S_p}$ true?

Published on 14 Apr 2026 - 23:32

score 379 · Answer 10 · 2026-04-11 18:17:39

379

Views

Show using Cauchy-Schwarz inequality

Published on 11 Apr 2026 - 18:17

score 326 · Answer 11 · 2026-04-11 02:04:06

326

Views

How to prove there is left\right adjoint for non-degenerate bilinear form?

Published on 11 Apr 2026 - 2:04

score 92 · Answer 12 · 2026-04-13 13:50:48

92

Views

Misunderstanding Caley-Hamilton Theorem - Characteristic Polynomial in the Standard/Factorized Form

Published on 13 Apr 2026 - 13:50

score 96 · Answer 13 · 2026-04-01 10:06:04

96

Views

Linear Programming constraint confusion

Published on 01 Apr 2026 - 10:06

score 69 · Answer 14 · 2026-04-15 10:57:44

69

Views

$\Bbb Z_2$ subgroup of $\operatorname{SO}(6)$.

Published on 15 Apr 2026 - 10:57

score 167 · Answer 15 · 2026-04-15 18:45:57

167

Views

$A$ is a complex $n \times n$ matrix with $A^n \neq 0$ then $A^k \neq 0$ $\forall k \in \Bbb{N}$

Published on 15 Apr 2026 - 18:45

List Question

How to interpret the smoother matrix?

Why are Killing form, Cartan ${\frak h}$, and roots $\alpha$, related by $\kappa(h,[x,y])=\alpha(h)\kappa(x,y)$?

Will the operator be unitary?

Proof help: a² = identity -> monoid must be a commutative group

Doubts about a question I asked a long time ago (eigenvalues)

What happens when $A$ has linearly dependent columns and $A^T A$ is thus not invertible?

Find a point on a line equidistant from the coordinate plane and from the origin point

$\mathbb{E}[X V^TVX^T]$ =?

Is this inequality on Schatten p-norm $\|AB\|_{S_p} \le \|A\|_{S_p}\|B\|_{S_p}$ true?

Show using Cauchy-Schwarz inequality

How to prove there is left\right adjoint for non-degenerate bilinear form?

Misunderstanding Caley-Hamilton Theorem - Characteristic Polynomial in the Standard/Factorized Form

Linear Programming constraint confusion

$\Bbb Z_2$ subgroup of $\operatorname{SO}(6)$.

$A$ is a complex $n \times n$ matrix with $A^n \neq 0$ then $A^k \neq 0$ $\forall k \in \Bbb{N}$

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