Onur Oktay

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Questions

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Asymptotic behavior of $\sum_{k=1}^{\infty} \sqrt{\max\{1 - k^2/x^2,0\}}$ as $x\to\infty$

Dec 25, 2021

7

Kazhdan's property (T) for Banach algebras?

Sep 1, 2022

7

Finite conjugacy classes

Aug 8, 2023

7

A notion of restricted injectivity for Banach spaces

Aug 13, 2023

6

Extreme points of the dual unit ball of a Banach algebra

Aug 12

Answers

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10

Situations where “naturally occurring” mathematical objects behave very differently from “typical” ones

Jul 26, 2021

7

Does property (V) imply the Grothendieck property for dual Banach spaces?

May 3, 2022

5

For a Banach space $X$, can we find a reflexive (or weakly sequentially complete) space $Y$ such that $X\subset Y$?

Feb 16, 2023

5

Dual norm of a subspace of $\ell_\infty^3$

Feb 24, 2022

5

Can the Banach algebra structure on $B(E)$ be (almost) retrieved from its Banach space structure?

Jul 25

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fa.functional-analysis

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banach-spaces

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banach-algebras

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Compactness in trace class operators space

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Scattered C*-algebras

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$\ell^2 \to L^\infty$-inequality for almost periodic functions

+10

Can the Banach algebra structure on $B(E)$ be (almost) retrieved from its Banach space structure?

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