List questions from normed-spaces

Published on 27 Mar 2026 - 19:30

1.2k

Views

Adjoint of a linear isomorphic functional is an isomorphism

Published on 26 Mar 2026 - 2:55

1k

Views

Condition number of a matrix-vector product

Published on 25 Mar 2026 - 5:06

1.7k

Views

Show differential operator is not bounded using definition of bounded operators

Published on 25 Mar 2026 - 4:57

61

Views

Similar transformation matrix with minimum norm

Published on 28 May 2019 - 2:19

332

Views

$(c_{0})^{}$ is isometrically isomorphic to a subspace of $(\ell_{\infty})^{}$

Published on 25 Mar 2026 - 17:40

424

Views

Averaging vectors with the same norm results in a vector with norm $\leq$ original norm

Published on 29 May 2019 - 13:25

162

Views

Norm and Dual Norm

Published on 25 Mar 2026 - 15:38

347

Views

Strict Convexity and Uniqueness of Dual norm

Published on 31 Mar 2026 - 17:49

53

Views

Is the set $\left\{ \boldsymbol{\beta} \in \mathbb{R}^{p}: ||\mathbf{A} \boldsymbol{\beta} - \boldsymbol{d}|| \leq D \right\}$ compact?

Published on 01 Apr 2026 - 0:10

248

Views

Estimation in Sobolev norm

Published on 26 Mar 2026 - 19:35

55

Views

Is $\mathcal{A}=\left\{M_{\varphi} | \varphi \in C([0,1])\right\}$ a Banach algebra?

Published on 25 Mar 2026 - 23:21

38

Views

Distance between stochastic vectors

Published on 27 Mar 2026 - 8:49

184

Views

What is the difference between convergence of the limsup and infinity/max norm?

Published on 29 Mar 2026 - 16:02

332

Views

In $\mathbb Z[\sqrt D]$, how do I see if there are no elements of a certain norm?

Published on 28 Mar 2026 - 12:14

List Question

Integer $p$-norm minimzation

Adjoint of a linear isomorphic functional is an isomorphism

Condition number of a matrix-vector product

Show differential operator is not bounded using definition of bounded operators

Similar transformation matrix with minimum norm

$(c_{0})^{}$ is isometrically isomorphic to a subspace of $(\ell_{\infty})^{}$

Averaging vectors with the same norm results in a vector with norm $\leq$ original norm

Norm and Dual Norm

Strict Convexity and Uniqueness of Dual norm

Is the set $\left\{ \boldsymbol{\beta} \in \mathbb{R}^{p}: ||\mathbf{A} \boldsymbol{\beta} - \boldsymbol{d}|| \leq D \right\}$ compact?

Estimation in Sobolev norm

Is $\mathcal{A}=\left\{M_{\varphi} | \varphi \in C([0,1])\right\}$ a Banach algebra?

Distance between stochastic vectors

What is the difference between convergence of the limsup and infinity/max norm?

In $\mathbb Z[\sqrt D]$, how do I see if there are no elements of a certain norm?

Trending Questions

Popular # Hahtags

Popular Questions