Question

Relationship of transpose of linear mapping and Riesz isomorphism

score 47 · Answer 1 · 2026-04-10 18:16:19

47

Views

Relationship of transpose of linear mapping and Riesz isomorphism

Published on 10 Apr 2026 - 18:16

score 73 · Answer 2 · 2026-03-25 16:14:07

73

Views

Is it possible to find the orthogonal matrix, $Q$, in $QMQ^\text{T} = A$?

Published on 25 Mar 2026 - 16:14

score 38 · Answer 3 · 2026-04-11 12:38:10

38

Views

Hyperplane Reflection

Published on 11 Apr 2026 - 12:38

score 40 · Answer 4 · 2026-04-16 20:40:22

40

Views

Name for property $\vec{a}\cdot f(\vec{x}) \le \vec{b}\cdot f(\vec{x})$ whenever $\vec{a}\cdot\vec{x} \le \vec{b}\cdot\vec{x}$?

Published on 16 Apr 2026 - 20:40

score 440 · Answer 5 · 2026-04-15 11:40:05

440

Views

The discriminant as an invariant for the matrix representation of an inner product related to discriminant of quadratic formula i.e. $b^2-4ac$?

Published on 15 Apr 2026 - 11:40

score 128 · Answer 6 · 2026-03-25 16:13:52

128

Views

Recover a set of vectors from a Gram matrix that have conjugate symmetry

Published on 25 Mar 2026 - 16:13

score 55 · Answer 7 · 2026-04-15 21:56:45

55

Views

Find a Nonzero solution $x(t)$ satsifying $\|x(t)\|\le 1$ for every $t\in \mathbb{R}$ or explain why no such solutions exists

Published on 15 Apr 2026 - 21:56

score 20 · Answer 8 · 2026-04-15 16:04:21

20

Views

For an inner product space $V_K$, for which fields $K$ is the discriminant is a complete invariant of the form?

Published on 15 Apr 2026 - 16:04

score 49 · Answer 9 · 2026-04-11 05:09:05

49

Views

Does my proof of the dot product geometric and algebraic equivalence hold for R^2 when proven using complex numbers?

Published on 11 Apr 2026 - 5:09

score 68 · Answer 10 · 2026-04-16 23:27:34

68

Views

Riesz representation theorem proof

Published on 16 Apr 2026 - 23:27

score 53 · Answer 11 · 2026-04-15 23:35:16

53

Views

Find $y$ such that $\langle v, y \rangle = \|v\|$

Published on 15 Apr 2026 - 23:35

score 33 · Answer 12 · 2026-04-11 00:08:20

33

Views

Does such a function exist given the inner product?

Published on 11 Apr 2026 - 0:08

score 52 · Answer 13 · 2026-04-14 12:04:16

52

Views

Find the matrix of the rotation matrix $U$

Published on 14 Apr 2026 - 12:04

score 198 · Answer 14 · 2026-04-16 02:49:02

198

Views

Using parity properties to evaluate the inner product of spherical harmonics

Published on 16 Apr 2026 - 2:49

score 43 · Answer 15 · 2026-04-10 09:34:47

43

Views

An interesting characterization of a hyperbolic plane

Published on 10 Apr 2026 - 9:34

List Question

Relationship of transpose of linear mapping and Riesz isomorphism

Is it possible to find the orthogonal matrix, $Q$, in $QMQ^\text{T} = A$?

Hyperplane Reflection

Name for property $\vec{a}\cdot f(\vec{x}) \le \vec{b}\cdot f(\vec{x})$ whenever $\vec{a}\cdot\vec{x} \le \vec{b}\cdot\vec{x}$?

The discriminant as an invariant for the matrix representation of an inner product related to discriminant of quadratic formula i.e. $b^2-4ac$?

Recover a set of vectors from a Gram matrix that have conjugate symmetry

Find a Nonzero solution $x(t)$ satsifying $\|x(t)\|\le 1$ for every $t\in \mathbb{R}$ or explain why no such solutions exists

For an inner product space $V_K$, for which fields $K$ is the discriminant is a complete invariant of the form?

Does my proof of the dot product geometric and algebraic equivalence hold for R^2 when proven using complex numbers?

Riesz representation theorem proof

Find $y$ such that $\langle v, y \rangle = \|v\|$

Does such a function exist given the inner product?

Find the matrix of the rotation matrix $U$

Using parity properties to evaluate the inner product of spherical harmonics

An interesting characterization of a hyperbolic plane

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