List questions from dual-spaces

Published on 26 Mar 2026 - 16:10

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Show that $(l_1)^* \cong l_{\infty}$

Published on 24 Nov 2015 - 7:39

1.3k

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Dual space of $l^p$ is $l^q$.

Published on 23 Dec 2015 - 6:57

453

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What is the intuition behind "dual vectors" in the context of tensor analysis?

Published on 23 Mar 2026 - 10:04

794

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Proving that dual space of $L^\infty(\mathbb{R})$ is not separable

Published on 22 Feb 2016 - 14:30

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Hahn-Banach theorem, dual space

Published on 24 Mar 2026 - 15:03

18.9k

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When exactly is the dual of $L^1$ isomorphic to $L^\infty$ via the natural map?

Published on 29 May 2013 - 4:14

1.8k

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How to interpret $(V^)^$, the dual space of the dual space?

Published on 11 Jun 2013 - 10:51

8.8k

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Finding a dual basis

Published on 04 Oct 2013 - 20:13

4.9k

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In categorical terms, why is there no canonical isomorphism from a finite dimensional vector space to its dual?

Published on 30 Dec 2013 - 20:28

24.3k

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The dual space of $c$ is $\ell^1$

Published on 17 Feb 2014 - 1:02

9.6k

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Dual space of $l^1$

Published on 02 Mar 2014 - 22:26

1.9k

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How Hahn-Banach theorem implies that the dual space is non-trivial?

Published on 11 Apr 2017 - 12:54

1k

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Isometries between dual factor space and annihilator

Published on 21 Apr 2017 - 11:47

163

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Notation question on isomorphism and dual spaces

Published on 01 May 2017 - 0:40

List Question

Showing $X^*$ is separable implies $X$ is separable using the Riesz lemma

Show that $(l_1)^* \cong l_{\infty}$

Dual space of $l^p$ is $l^q$.

What is the intuition behind "dual vectors" in the context of tensor analysis?

Proving that dual space of $L^\infty(\mathbb{R})$ is not separable

Hahn-Banach theorem, dual space

When exactly is the dual of $L^1$ isomorphic to $L^\infty$ via the natural map?

How to interpret $(V^)^$, the dual space of the dual space?

Finding a dual basis

In categorical terms, why is there no canonical isomorphism from a finite dimensional vector space to its dual?

The dual space of $c$ is $\ell^1$

Dual space of $l^1$

How Hahn-Banach theorem implies that the dual space is non-trivial?

Isometries between dual factor space and annihilator

Notation question on isomorphism and dual spaces

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