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In the absence of choice, is there a definition of cardinality in terms of surjective relations?

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On non-increasing property of a norm-like function on matrices

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West Book
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Behavior of certain random products of power series

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José Damián Espinosa
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Central idempotents from characters in Frobenius algebras (generalizing Lusztig arXiv:math/0208154v2 §19)

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darij grinberg
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Prove that except for $n=1$, there are more topologies of size $n$ than groups of order $n$

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Carlo Beenakker
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Is there any other norms besides cut norm defined on graphon?

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A too good to be true moment inequality for empirical processes

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What is the volume of $\Sigma(2, 3, 13)$ associated with its $\widetilde{\operatorname{SL}(2, \mathbb{R})}$ geometry?

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John M. Campbell
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Finding all integer solutions to a family of elliptic curves depending on a parameter $n$

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Agbanwa Jamal
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Eigenvalues of analytic matrix families

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Rodrigo de Azevedo
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Do K-well generated categories exist for any regular K?

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Mikhail Bondarko
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29 votes
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Project Hail Mary, question? (Spoiler)

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Ian Agol
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1 answer
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Existence of element $(x_0,y)$ in a set of common zeros for all $(x_0,y)$ satisfying system of inequalities

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CommunityBot
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2 answers
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Rigidifying $E_\infty$ structures

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Tim Campion
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