List questions from normed-spaces

Published on 25 Mar 2026 - 5:08

40

Views

$\text{min}\lVert A - B \rVert_F^2\ $ given $\ A\ne B$

Published on 02 Jun 2019 - 2:59

155

Views

Set of fuctions that are differentiable and have their derivative in $L^2(\mathbb R)$ is a dense set in $L^2(\mathbb R)$

Published on 03 Jun 2019 - 1:54

62

Views

Where is the mistake in this operator norm claim?

Published on 25 Mar 2026 - 12:15

2.3k

Views

Orthogonal matrices and matrix norms

Published on 25 Mar 2026 - 9:34

372

Views

Bounding spectral norm of matrix of binomial entries with small probabilities

Published on 25 Mar 2026 - 9:39

344

Views

Trivial norm is equivalent only to itself

Published on 23 Feb 2026 - 6:19

107

Views

normed space - inner product

Published on 03 Jun 2019 - 19:34

427

Views

Reverse triangle inequality for square of euclidean norm?

Published on 04 Jun 2019 - 12:37

262

Views

Equivalent Characterization of Norms "induced" by injective linear Mappings

Published on 04 Jun 2019 - 15:26

80

Views

If $\dim X=\infty$, can there be a compact $C$ such that $X\setminus C$ has two components?

Published on 30 Mar 2026 - 2:53

104

Views

relations betweem Schaten norms

Published on 28 Mar 2026 - 10:40

82

Views

Two compatible topologically equivalent norms on a module over a non-archimedean field but not metrically equivalent?

Published on 23 Feb 2026 - 6:22

78

Views

Unclear Use of Holder`s Inequality

Published on 25 Mar 2026 - 8:10

289

Views

Uses of notation $\ell^p$ and $L^p$?

Published on 06 Jun 2019 - 11:03

List Question

Given a "composite" norm, what polygon describes its unit ball?

$\text{min}\lVert A - B \rVert_F^2\ $ given $\ A\ne B$

Set of fuctions that are differentiable and have their derivative in $L^2(\mathbb R)$ is a dense set in $L^2(\mathbb R)$

Where is the mistake in this operator norm claim?

Orthogonal matrices and matrix norms

Bounding spectral norm of matrix of binomial entries with small probabilities

Trivial norm is equivalent only to itself

normed space - inner product

Reverse triangle inequality for square of euclidean norm?

Equivalent Characterization of Norms "induced" by injective linear Mappings

If $\dim X=\infty$, can there be a compact $C$ such that $X\setminus C$ has two components?

relations betweem Schaten norms

Two compatible topologically equivalent norms on a module over a non-archimedean field but not metrically equivalent?

Unclear Use of Holder`s Inequality

Uses of notation $\ell^p$ and $L^p$?

Trending Questions

Popular # Hahtags

Popular Questions