List questions from dual-spaces

Published on 26 Jun 2019 - 20:51

202

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Hahn-Banach Unique Extension Clarification

Published on 25 Mar 2026 - 11:17

134

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A question about the dual space of the subspace of Hilbert Space

Published on 04 Jul 2019 - 13:24

690

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Relation between kernel and range

Published on 26 Mar 2026 - 6:03

147

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Observing kernel dimensions of non-zero functionals

Published on 09 Jul 2019 - 20:46

57

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Showing a sequence is in $\ell_2$

Published on 09 Jul 2019 - 21:45

249

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Is the unit ball closed in $W^{1,\,p}(I)$ for $1<p\leq\infty$

Published on 10 Jul 2019 - 5:06

37

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Rigorous definition of convergence in $H^{-1}(\mathbb{R})$

Published on 10 Jul 2019 - 7:24

121

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Proving that $V$ and $V^*$ are not naturally isomorphic

Published on 25 Mar 2026 - 8:09

123

Views

Reflexivity and dual space

Published on 23 Feb 2026 - 2:35

62

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Rank of a matrix constructed by a dual space.

Published on 14 Jul 2019 - 14:11

385

Views

Dual Vector Space Proof

Published on 25 Mar 2026 - 8:05

617

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How are Co-Vectors not just Row-Vectors?

Published on 17 Jul 2019 - 16:15

55

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Let E be a topological vector space, $M\subset E$ such that: $x\in M^{\perp}\Rightarrow x=0\ in\ E'\subset M'$. What about M?

Published on 18 Jul 2019 - 7:53

43

Views

Tensors of type $(r,s)$ in relation to tensor algebra $T(V)$

Published on 24 Jul 2019 - 18:09

List Question

$J$ is surjective but not injective on $L^{\infty}\to (L^{1})^{*}$

Hahn-Banach Unique Extension Clarification

A question about the dual space of the subspace of Hilbert Space

Relation between kernel and range

Observing kernel dimensions of non-zero functionals

Showing a sequence is in $\ell_2$

Is the unit ball closed in $W^{1,\,p}(I)$ for $1<p\leq\infty$

Rigorous definition of convergence in $H^{-1}(\mathbb{R})$

Proving that $V$ and $V^*$ are not naturally isomorphic

Reflexivity and dual space

Rank of a matrix constructed by a dual space.

Dual Vector Space Proof

How are Co-Vectors not just Row-Vectors?

Let E be a topological vector space, $M\subset E$ such that: $x\in M^{\perp}\Rightarrow x=0\ in\ E'\subset M'$. What about M?

Tensors of type $(r,s)$ in relation to tensor algebra $T(V)$

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