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Conditions of P for Existence of Orthogonal Matrix Q and Permutation Matrix U Satisfying QP = PU

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Eddie Lin
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Is it consistent to have an infinite antitone sequence of elementary embeddings such that the involved models include iterated sharps?

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Kristian Berry
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2 answers
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Continuous dynamical systems and analytic number theory: connections

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Abdelmalek Abdesselam
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Optimal transport-like problem where the objective depends on conditional probability distribution

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Francesco Bilotta
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Serre subcategories of the category of chain complexes of modules

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Walterfield
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The growth rate of the group $\mathbb{Z}[1/2] \rtimes _\phi \mathbb{Z}$, where $\phi (1)$ corresponds to multiplying every number by $2$

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ghc1997
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4 answers
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Lower bounding $|1+z+\cdots + z^{n-1}|$ when $z\approx 1$

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Carlo Beenakker
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Failure of injectiveness of maps between cotangent spaces of abelian varieties

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Maarten Derickx
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Is applying Feit–Thompson’s theorem for the nonexistence of a simple group of order $1004913$ really a circular argument?

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Kazune Takahashi
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Any irreducible projective curve in $\mathbb P^3$ can be defined by three functions

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Vik78
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2 answers
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Can a disk that is limit of disks in a pseudoconvex domain be partially contained in the boundary?

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Peter Pflug
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Conjugacy classes in towers of groups

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YCor
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Eigenvalue problem of The Dirichlet problem

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Phan Trung Hiếu
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How to compute the higher G-theory of the weighted projective space $\mathbb{P}(1,1,m)$ using Mayer-Vietoris sequence?

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