代数構造と幾何学的解析 - 2026/5/20の論文6本

arXiv math.GRの新着論文6本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-05-20/Aperiodic Flows on Finite Semigroups II: Smallish Monoids Suffice for Complexity 1Symmetric 2-cocycles with values in $\mathbb{C}^\times$Coarse geometry of stable mixed commutator length I: duality and functional analysis on chainsImages of Lie Polynomials on simple Lie algebrasCentral idempotents in group-graded ringsCyclotomic finite-field Fourier spectra: Galois descent, native subfields, and residual coding