構造的幾何学と安定性理論 - 2026/10/28の論文48本

arXiv math.AGの新着論文48本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-10-28/ Elementary Moves on Ideal Webs, Local Monodromies on Hitchin Fibrations, and Tropical Mutations on $\mathrm{K_0}$ Groups K3 surfaces with finite automorphism group in positive characteristic Motivic $C_p$-power operations in $\mathrm{MGL}$ A vanishing-cycle obstruction to smoothing Calabi-Yau threefolds Nonvanishing implies abundance There are no unexpected toric positroid varieties Smoothing Calabi-Yau threefolds with nodes and del Pezzo cone points Finite Symplectic Automorphisms of Hyperk\"ahler Manifolds of $K3^{[n]}$-Type Act Trivially on Discriminant Groups Parametrized Jacobian Problem over $\mathbb{C}^n$ and its Complete Resolution Geometric priors for single-patch neural Calabi--Yau metrics on the quintic: a conservative fixed-$\psi$ Ablation study On Thom Polynomials for $\mathcal{A}$-singularities of parametric curves and degeneracy loci formulas On Open Borel Orbits in Conormal Bundles to Schubert Cells Some Coble surfaces admit only Bertini involutions On the existence of polarized varieties without weakly Ulrich bundles Rank two cohomology jump loci on projective varieties Sheaves on polynomials and polynomial sheaves Tropical spin Hurwitz numbers Quartic Keller Maps and Tameness in Three Variables Cluster type smooth Fano threefolds The Legendre potential and the gradient case of the differential Galois criterion for the Jacobian Conjecture Decompositions of birational toric morphism between threefolds The numerical range of limits of real rational functions On finite covers of projective spaces, generic outside of codimension three Topology of rational equivalence closures and Lawson homology Bethe Cycles, Frobenius Identities, and Quantum/Classical Duality Klt varieties with semipositive anticanonical bundle : symmetric tensors, holonomy and structure Bridgeland stability and Gieseker stability I: Limit stability All Strict Calabi--Yau Threefolds of Height One Lift to Characteristic 0 Maximal geometric quotients of flag varieties Effective Gromov-Witten computations for GKM spaces and a semisimple application Toric Varieties from Multiple Zeta Val