List questions from hahn-banach-theorem

Published on 09 Apr 2026 - 4:09

186

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Extending the Dirac delta to $L^p$

Published on 25 Mar 2026 - 20:35

82

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Let $X$ be a banach space, and let $U$ be a finite dimensional subspace, then there is a closed subspace $V$ s.t $X=U\bigoplus V$

Published on 25 Mar 2026 - 23:42

147

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How to prove a norm identity for a Banach space and its dual

Published on 25 Mar 2026 - 19:05

123

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Prime Ideal Theorem implies Hahn Banach Theorem

Published on 25 Mar 2026 - 19:02

40

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If two elements are different there is a functional under where the image is different

Published on 19 Apr 2026 - 1:56

37

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Variant of Analytic form of Hahn-Banach

Published on 25 Mar 2026 - 19:05

217

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Is Hahn-Banach equivalent to the ultrafilter lemma in ZF

Published on 25 Mar 2026 - 19:05

112

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How is the Hahn-Banach theorem is applied here?

Published on 25 Mar 2026 - 20:35

71

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Using Hahn-Banach theorem show that $\sum\limits_{i = 1}^{n} \alpha_i \beta_i\gt \lambda \geq \left \|\sum\limits_{i = 1}^{n} \beta_i f_i \right \|.$

Published on 25 Mar 2026 - 19:10

280

Views

On the existence of Green's functions by Peter Lax

Published on 25 Mar 2026 - 19:05

67

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Hahn-Banach theorem on locally convex spaces

Published on 25 Mar 2026 - 19:03

38

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Geometric Hahn-Banach theorem and linear operators

Published on 25 Mar 2026 - 19:02

86

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An application of Hahn-Banach theorem on the left-shift operator on $l^\infty$

Published on 25 Mar 2026 - 22:11

54

Views

Hahn-Banach theorem proof

Published on 25 Mar 2026 - 19:00

List Question

Banach-Alaoglu Theorem over spherically complete non-Archimedean fields

Extending the Dirac delta to $L^p$

Let $X$ be a banach space, and let $U$ be a finite dimensional subspace, then there is a closed subspace $V$ s.t $X=U\bigoplus V$

How to prove a norm identity for a Banach space and its dual

Prime Ideal Theorem implies Hahn Banach Theorem

If two elements are different there is a functional under where the image is different

Variant of Analytic form of Hahn-Banach

Is Hahn-Banach equivalent to the ultrafilter lemma in ZF

How is the Hahn-Banach theorem is applied here?

Using Hahn-Banach theorem show that $\sum\limits_{i = 1}^{n} \alpha_i \beta_i\gt \lambda \geq \left \|\sum\limits_{i = 1}^{n} \beta_i f_i \right \|.$

On the existence of Green's functions by Peter Lax

Hahn-Banach theorem on locally convex spaces

Geometric Hahn-Banach theorem and linear operators

An application of Hahn-Banach theorem on the left-shift operator on $l^\infty$

Hahn-Banach theorem proof

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