コホモロジーとリー代数と準同型 - 2026/4/21の論文11本

arXiv math.RAの新着論文11本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ra/episodes/2026-04-21/Morita Invariance, Categorical Obstructions, and Dimension Transfer for \texorpdfstring{$C4$}{C4}, \texorpdfstring{$C4^{\ast}$}{C4*}, Strongly \texorpdfstring{$C4^{\ast}$}{C4*}, and Semi-Weak-CS ModulesHochschild cohomology and lifts of endomorphismsOn the isotropy of differential Ore extensionsA note on $n$-Jordan homomorphismsThe Jordan multiplication semigroup of matrix algebras is the full endomorphism semigroupRigidity and Cohomology of Seaweed Lie AlgebrasLocal and 2-local $\frac{1}2$-derivations of infinite-dimensional Lie algebras`New' examples of skew fields not finitely generated as algebrasLie Quandles, Leibniz Racks and Noether's First TheoremHomological Aspects of Separable Extensions of Triangulated CategoriesAn introduction to separated graphs and their type semigroups