有限群と右角アルチン群と特異点 - 2026/7/13の論文4本

arXiv math.GRの新着論文4本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-07-13/Some additive properties of $\mathbb{Z}_n$ and $k$-index stability of finite groupsFinitely presented kernels of right-angled Artin groups with abelian quotientsFinite gropus whose proper subgroups of order divisible by $p$ are supersolvableSingularity of Cannon-Thurston maps