List questions from inner-products

Published on 12 Apr 2026 - 10:30

539

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Relationship between differential operator and integration inner product space?

Published on 17 Apr 2026 - 2:52

226

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How is the $E(|xy|)$ operator "isomorphic" with the dot product on $\mathbb R$?

Published on 24 Apr 2026 - 5:02

55

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Proving $\operatorname{Im}(f) = \operatorname{Im}(f \circ f^*)$ with $f$ endomorphism

Published on 15 Apr 2026 - 17:22

1.4k

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Proving the area is irrational for triangle with integer vertices

Published on 15 Apr 2026 - 19:10

60

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Inequalities between different inner products defined by positive definite, symmetric matrices

Published on 11 Apr 2026 - 17:36

223

Views

The maximum of minimal intersection angle of $n$ vectors in $\mathbb{R}^n$

Published on 26 Mar 2026 - 9:42

1.7k

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Inner Product Additivity Rules

Published on 11 Apr 2026 - 21:30

517

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Inner product on pseudoriemannian manifold

Published on 16 Apr 2026 - 11:58

653

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Reconstructing vectors from inner products

Published on 13 Apr 2026 - 20:22

72

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$\langle v,w\rangle \cdot \langle w,v\rangle = |\langle v,w\rangle|^2$ proof?

Published on 14 Apr 2026 - 1:37

1.2k

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Inner products on $V$ for which $(e_1, e_1) = 1$ and $(e_2, e_2) = 1$.

Published on 16 Apr 2026 - 10:51

16.4k

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Prove vector space is the direct sum of subspace and its orthogonal complement

Published on 16 Apr 2026 - 4:48

51

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Prove that the map $E:V\to V$ is linear.

Published on 14 Apr 2026 - 21:56

51

Views

A question about inner product

Published on 12 Apr 2026 - 15:54

List Question

If V is an inner product space, prove that for all x,y in V

Relationship between differential operator and integration inner product space?

How is the $E(|xy|)$ operator "isomorphic" with the dot product on $\mathbb R$?

Proving $\operatorname{Im}(f) = \operatorname{Im}(f \circ f^*)$ with $f$ endomorphism

Proving the area is irrational for triangle with integer vertices

Inequalities between different inner products defined by positive definite, symmetric matrices

The maximum of minimal intersection angle of $n$ vectors in $\mathbb{R}^n$

Inner Product Additivity Rules

Inner product on pseudoriemannian manifold

Reconstructing vectors from inner products

$\langle v,w\rangle \cdot \langle w,v\rangle = |\langle v,w\rangle|^2$ proof?

Inner products on $V$ for which $(e_1, e_1) = 1$ and $(e_2, e_2) = 1$.

Prove vector space is the direct sum of subspace and its orthogonal complement

Prove that the map $E:V\to V$ is linear.

A question about inner product

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