プレプリどんどん: math.RA

arXiv math. RA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-ra/episodes/2026-04-23/ Free Poisson Rota-Baxter algebra Trivial extensions of Koszul Artin-Schelter regular algebras Border subrank of higher order tensors and algebras Injectivity paucity in AB5 categories of oversize chains

arXiv math. RAの新着論文5本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ra/episodes/2026-04-22/ A new limit variety of additively idempotent semirings Tomiyama-type maps with a diagonal perturbation Hyper relative differential operators on Lie algebras Change-of-Rings Theorems for the Small Finitistic Dimension SignatureTensors.jl: A Package for Signature Tensors in Jul...

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 Modules Hochschild cohomology and lifts of endomorphisms On the isotropy of diff...

arXiv math. RAの新着論文5本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ra/episodes/2026-04-20/ $G_2$-structures as Octonion Algebras Chevalley property of module-finite Hopf algebras and discriminant ideals $D$-bialgebras, dendrification and embeddings into AWB of almost Poisson algebras Scalar relative differential invariants Wedderburn decomposition of the rational g...