群と多様体とスタックと安定性 - 2026/5/14の論文15本

arXiv math.AG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-ag/episodes/2026-05-14/Notes on Lie derivatives, algebraic D-varieties, and Ax's theoremOrbits of subgroups of codimension one to four of the Iwahori group in the affine flag variety of $\text{SL}_2$Tautological modular forms of level two and degree twoRemarks on diagonal dimension for algebraic stacksQuadratic Euler Characteristic of Geometrically Cyclic Branched CoveringsOn Ramanujam's Theorem About Finite Fimensional Groups of AutomorphismsSolvable Automorphism Groups of VarietiesInfinitesimal automorphisms and obstruction theory on the moduli of $L$-valued $G$-Higgs bundlesEuclidean distance degree defect of singular projective varietiesA Derived Legendrian Category for Shifted Contact StacksTilt-stability on singular schemes and Bogomolov-Gieseker-type inequalitiesGraphs of Hecke operators in mixed ramificationComponentwise height bounds for polynomial value-set liftingSemi-interlaced polytopesStrategic PAC Learnability via Geometric Definability