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Ivan Feshchenko
Kyiv, Ukraine
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Top Questions
28
votes
Can a countable union of two-element sets be uncountable?
set-theory
axiom-of-choice
asked Feb 8, 2022 at 20:19
mathoverflow.net
19
votes
Can we take a supremum over all Hilbert spaces?
fa.functional-analysis
set-theory
lo.logic
hilbert-spaces
mathematical-philosophy
asked Nov 5, 2020 at 21:31
mathoverflow.net
8
votes
Continuous linear functionals and the Axiom of Choice
fa.functional-analysis
axiom-of-choice
asked Oct 14, 2021 at 20:54
mathoverflow.net
5
votes
Completeness of the space $L^p$ and the Axiom of Countable Choice
fa.functional-analysis
measure-theory
banach-spaces
axiom-of-choice
asked Feb 3, 2022 at 20:41
mathoverflow.net
5
votes
Extension of bounded linear operators
fa.functional-analysis
asked Mar 12, 2014 at 19:28
mathoverflow.net
5
votes
Inverse marginal property of a collection of $\sigma$-algebras
reference-request
fa.functional-analysis
pr.probability
measure-theory
st.statistics
asked Apr 22, 2020 at 17:59
mathoverflow.net
Top Answers
No answers with score of 5 or more
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