群と作用と不変量と構造 - 2026/9/16の論文15本

arXiv math.GRの新着論文15本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-09-16/ The Mathieu Property for Compact Connected Lie Groups Coprime Actions and Characters Non-vanishing on the Fixed-point Subgroup Matroids and isomorphism problems for Bestvina-Brady groups Kazhdan constants for two-element generating sets of $\mathrm{SL}_n(\mathbb Z)$ The Fourth Continuous Bounded Cohomology of the Complex Symplectic Group Unipotence of a double commutator with transvections Palindromic Length in Free Groups: Reflections, Noncrossing Matchings, and Catalan Forms On Cowling's $L^p$-integrability conjecture for Kunze--Stein groups Selflessness, MIF and opposition in groups acting on exotic buildings A classification of finite simply reducible groups of order at most 2000 Uncountably many local isomorphism types of compactly generated simple groups Quandles associated with group actions Mathieu groups as flag-transitive automorphism groups of block designs Invariant random subgroups of $C^*$-simple groups Concise tensors with maximal symmetries