List questions from geometric-functional-analysis

Published on 23 Feb 2026 - 1:17

71

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Shorter proof that the fiber of an extreme point contains an extreme point

Published on 23 Feb 2026 - 1:23

89

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Convergence to an $\ell_p$ ball, of Steiner symmetrization of compact convex subsets of $\mathbb R^n$

Published on 23 Feb 2026 - 1:23

452

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What is Banach-Dieudonne theorem?

Published on 22 Mar 2026 - 6:56

32

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Kernel for the Hodge chain homotopy

Published on 22 Mar 2026 - 15:04

17

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How to show that total boundedness in $\mathcal{N}$ topology is equivalent to having finite $(\varepsilon,\rho)$-net for each $\rho\in\mathcal{N}$?

Published on 23 Feb 2026 - 1:23

86

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The existence and uniqueness of the curvature of a Yang-Mills connection.

Published on 23 Feb 2026 - 1:22

126

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Given a rectangle and a equilateral triangle, is it possible to construct a line that bisects the area of the triangle and rectangle?

Published on 23 Feb 2026 - 1:21

37

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Interior of set of positive operators

Published on 06 Apr 2026 - 3:30

97

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Converse to Bauer's maximum principle

Published on 22 Mar 2026 - 7:19

694

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Concentration of norm of projection onto a subspace

Published on 23 Feb 2026 - 1:22

261

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A good resource on the Radon-Nikodym Property in reflexive Banach Spaces?

Published on 23 Feb 2026 - 1:22

252

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Extreme Points of Disc Algebra

Published on 05 Apr 2026 - 21:31

62

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For discrete group $G$ and $H\leq G$. Show that $G$ also satisfies the Folner condition if $H$ satisfies it and $[G:H]<\infty$.

Published on 23 Feb 2026 - 1:23

51

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Prove the existence of $\Psi\in(\ell_\infty(G))^\ast$ satisfying the amenability conditions

Published on 23 Feb 2026 - 1:23

List Question

Sharp radius for univalent convex functions

Shorter proof that the fiber of an extreme point contains an extreme point

Convergence to an $\ell_p$ ball, of Steiner symmetrization of compact convex subsets of $\mathbb R^n$

What is Banach-Dieudonne theorem?

Kernel for the Hodge chain homotopy

How to show that total boundedness in $\mathcal{N}$ topology is equivalent to having finite $(\varepsilon,\rho)$-net for each $\rho\in\mathcal{N}$?

The existence and uniqueness of the curvature of a Yang-Mills connection.

Given a rectangle and a equilateral triangle, is it possible to construct a line that bisects the area of the triangle and rectangle?

Interior of set of positive operators

Converse to Bauer's maximum principle

Concentration of norm of projection onto a subspace

A good resource on the Radon-Nikodym Property in reflexive Banach Spaces?

Extreme Points of Disc Algebra

For discrete group $G$ and $H\leq G$. Show that $G$ also satisfies the Folner condition if $H$ satisfies it and $[G:H]<\infty$.

Prove the existence of $\Psi\in(\ell_\infty(G))^\ast$ satisfying the amenability conditions

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