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Mathematics
Tomasz Kania's user avatar
Tomasz Kania's user avatar
Tomasz Kania's user avatar
Tomasz Kania
  • Member for 14 years, 5 months
  • Last seen this week
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About

Researcher at the Czech Academy of Sciences.

  • Banach spaces and their operators; geometry of Banach spaces;
  • Structure of Banach algebras and related objects;
  • Applied Probability, Financial markets, Python modelling.

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Top posts

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34
Are there spaces "smaller" than $c_0$ whose dual is $\ell^1$?
Oct 10, 2014
25
Is the weak topology sequential on some infinite-dimensional Banach space?
Nov 25, 2016
22
Is this olympiad-like question about remainders an open problem?
Apr 14, 2015
19
Proofs of the Riesz–Markov–Kakutani representation theorem
May 6, 2015
15
The Banach space $C[0,1]$ is not reflexive.
Dec 8, 2016
15
Faithful Representations of C*-algebras
Jul 12, 2014
13
The dual of $L^p$ is $L^q$
Apr 6, 2017
12
Number of homeomorphism types of separable closed subspaces of $\beta \mathbb N$.
Dec 23, 2020
12
Do infinite dimensional Hermitian operators admit a complete basis of eigenvectors?
Dec 3, 2015
11
Dual of $l^\infty$ is not $l^1$
Jul 17, 2014

Top network posts

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71
Do you know important theorems that remain unknown?
38
Short exact sequences every mathematician should know
27
Does every closed and infinite-dimensional subspace of $C[0,1]$ contain a non-zero function with uncountable zero set?
25
Is there an editors checklist for mathematics?
19
Ramsey's theorem for the first uncountable ordinal