散在群と半環とコホモロジーと双曲曲面 - 2026/9/24の論文17本

arXiv math.GRの新着論文17本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-09-24/ Zeros and Roots of Unity for Characters of Solvable Groups On the inductive Giannelli-McKay condition for sporadic groups Hurwitz Equivalence of Reflection Factorizations in Types $B$ and $D$ Finite quotients of spherical Artin groups Cosets with constant characteristic polynomial Inherently nonfinitely based additively idempotent semirings Some Infinite Families of Arithmetic Symplectic Hypergeometric Groups A conditional construction of a nonhyperlinear group and the centralizer problem Bergman's amalgamation problem over the circle Solubility from a disconnected common-divisor graph on $p$-regular conjugacy-class sizes Bisoluble and Binilpotent Skew Braces of Finite Morley Rank Rank properties of commutators in finite groups Sylow synchronization in finite groups: the good case Geometric lifting and Freiman's $3k-4$ theorem in compact connected abelian groups Bounded cohomology, Codimension two submanifolds and Pontryagin-Thom constructions Definite integral Albert algebras: arithmetic and finite geometry Finiteness of closed arithmetic hyperbolic surface bundles