クリフォード不変量とGKZ超幾何D-モジュール - 2026/2/20の論文13本

arXiv math.AGの新着論文13本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-02-20/Classifying binary quadratic forms using Clifford invariantsDimension bounds for relative character varieties on the projective line with three punctures $G=GL(r), O(r), Sp(r)$Translational surfaces and iterated resultantsWebs and smooth components of two column Springer fibersThe GKZ hypergeometric $\mathcal D$-moduleOn rational chain connectedness of globally +-regular varietiesAutomorphisms of Smooth Hypersurfaces with Fixed Loci of Codimension at Most TwoSpectrum, Tjurina spectrum, and Hertling conjecture for singularities of modality $\leq 3$Dimension of fixed loci of diagonalizable groups via algebraic cobordismGenerically log smooth families via generators and relationsNon-hyperelliptic modular curves of genus 3Serre depth and local cohomologyComputing class groups and gonalities of algebraic curves over finite fields