Question

[Looking for Confirmation](X,G) is a duality, then (X,G1) is also one iff G1 is dense in G

score 76 · Answer 1 · 2026-03-24 22:08:42

76

Views

[Looking for Confirmation](X,G) is a duality, then (X,G1) is also one iff G1 is dense in G

Published on 24 Mar 2026 - 22:08

score 123 · Answer 2 · 2026-03-24 22:06:48

123

Views

Given linear functionals, in $\mathbb{R}^3$, find the annihilator

Published on 24 Mar 2026 - 22:06

score 55 · Answer 3 · 2026-03-19 19:17:58

55

Views

Prove: If $y_0,...,y_n$ are pairwise different real numbers, then the vectors $f_{y_0},...,f_{y_n}$ form a basis of the dual space $V^*$

Published on 19 Mar 2026 - 19:17

score 240 · Answer 4 · 2018-05-17 08:28:39

For a proper subspace of linear functionals $W^* \subset V^*$ we can find $0 \ne v \in V \text{ with } w^*(v) = 0 \; \forall w^* \in W^*$

score 154 · Answer 5 · 2026-03-19 17:27:42

154

Views

Evaluation of convolutions by Fejér kernels have finite-dimentional range?

Published on 19 Mar 2026 - 17:27

score 572 · Answer 6 · 2018-05-18 18:13:40

572

Views

How to show the dual map of an isometric isomorphism is an isometric isomorphism?

Published on 18 May 2018 - 18:13

score 197 · Answer 7 · 2018-05-19 16:00:05

197

Views

Basis for the kernel of a dual mapping

Published on 19 May 2018 - 16:00

score 2k · Answer 8 · 2018-05-19 20:08:06

2k

Views

The dual transformation has the same eigenvalues

Published on 19 May 2018 - 20:08

score 55 · Answer 9 · 2018-05-21 10:49:03

55

Views

The dual space of $L^1_0(\mathbb{R}^n)$, the subspace of $L^1 (\mathbb{R}^n)$ functions with vanishing integral.

Published on 21 May 2018 - 10:49

score 116 · Answer 10 · 2018-05-21 19:35:56

116

Views

A line through fixed points, in $\mathbb{P^2}$ , is a fixed line or an invariant one?

Published on 21 May 2018 - 19:35

score 52 · Answer 11 · 2018-05-22 08:26:31

52

Views

How to reduce the calculation of $\Vert f \Vert$ to $\Vert u \Vert$

Published on 22 May 2018 - 8:26

score 197 · Answer 12 · 2018-05-23 14:08:16

197

Views

finitely generated projective module $\iff$ dual basis

Published on 23 May 2018 - 14:08

score 1k · Answer 13 · 2026-03-22 11:44:32

1k

Views

Riesz isomorphism and dual map

Published on 22 Mar 2026 - 11:44

score 565 · Answer 14 · 2018-05-26 18:50:06

565

Views

Dual function space of Sobolev space $W^{1,p}$.

Published on 26 May 2018 - 18:50

score 221 · Answer 15 · 2018-05-28 14:13:36

221

Views

Example of $N\subseteq E^*$ such that $(N^\perp)^\perp \neq \overline{N}$

Published on 28 May 2018 - 14:13

List Question

[Looking for Confirmation](X,G) is a duality, then (X,G1) is also one iff G1 is dense in G

Given linear functionals, in $\mathbb{R}^3$, find the annihilator

Prove: If $y_0,...,y_n$ are pairwise different real numbers, then the vectors $f_{y_0},...,f_{y_n}$ form a basis of the dual space $V^*$

For a proper subspace of linear functionals $W^* \subset V^$ we can find $0 \ne v \in V \text{ with } w^(v) = 0 \; \forall w^* \in W^*$

Evaluation of convolutions by Fejér kernels have finite-dimentional range?

How to show the dual map of an isometric isomorphism is an isometric isomorphism?

Basis for the kernel of a dual mapping

The dual transformation has the same eigenvalues

The dual space of $L^1_0(\mathbb{R}^n)$, the subspace of $L^1 (\mathbb{R}^n)$ functions with vanishing integral.

A line through fixed points, in $\mathbb{P^2}$ , is a fixed line or an invariant one?

How to reduce the calculation of $\Vert f \Vert$ to $\Vert u \Vert$

finitely generated projective module $\iff$ dual basis

Riesz isomorphism and dual map

Dual function space of Sobolev space $W^{1,p}$.

Example of $N\subseteq E^*$ such that $(N^\perp)^\perp \neq \overline{N}$

Trending Questions

Popular # Hahtags

Popular Questions