プレプリどんどん: math.AG

arXiv math. AGの新着論文20本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-29/ Unrestrictions and concise secant varieties The $\mathbf{P}^1$-motivic Gysin map The Quasisymmetric Grassmannian The Mukai conjecture via Cox rings for special toric ambient embeddings The 3-divisibility of divisors on K3 surfaces in characteristic 3 On the meagerness of the...

arXiv math. AGの新着論文23本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-28/ Sobolev embedding theorem and subanalytic measures Ulrich bundles with $c_2(\mathcal E)^2=0$ and connectedness of Ulrich subvarieties Diffeomorphism types of simply connected $3$-dimensional Mori fibre spaces Resonance of rank-two vector bundles over elliptic curves Exceptio...

arXiv math. AGの新着論文12本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-27/ Integral Perverse Obstructions for Normal Surface Singularities: Resolution Determinants and Monodromy Algebraic methods in periodic singular Liouville equations Notes on the deformed Hermitian-Yang-Mills equations and the large scaling limits of stability conditions On the...

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/2026-04-24/ $E_6$-local systems from cubic threefolds Two New Extensions of Reider's Theorem on Algebraic Surfaces Birational Geometry of Quot Schemes on smooth projective curves via Stable Pairs Ribbon graphs and meromorphic functions A chain of $\mathbb{C}^{*}$-flips of the moduli spa...

arXiv math. AGの新着論文19本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-23/ Border subrank of higher order tensors and algebras $F$-finite schemes have a dualizing complex Non-Abelian p-Curvature and a Non-Abelian Katz's Formula From Finite-Node Conifold Geometry to BPS Structures II: Functorial Incidence and Quiver Assembly Maximally nodal sextic s...

arXiv math. AGの新着論文10本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-22/ The unirationality of $S_9^-$ and moduli spaces of pointed spin curves On the Hurwitz existence problem for branched covers of the projective line Distributivity, affineness, and the structure sheaf Generalized algebraic Morse inequalities and Hasse-Schmidt jet differentials...

arXiv math. AGの新着論文27本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-21/ Weighted blowups and 3d Poisson desingularizations Implementing p-adic numbers in Macaulay2 using its foreign function interface and FLINT The conformal limit for Nakajima quiver varieties On a relation of a conjecture of Goncharov to the co-Lie algebra of Bloch-Kriz mixed T...

arXiv math. AG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-ag/episodes/2026-04-20/ Degenerations in tropical compactifications and tropical intersection theory of $\overline{M}_{0,n}$ Algebraic Geometry over Non-Algebraically Closed Fields -- A-Coherent Sheaves over a Ringed Space Algebraic Invariants of Lightning Self-Attention Cycle Relations and Global...

arXiv math. AGの新着論文14本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-17/ Minimal resolutions of toric substacks by line bundles Failure of Weak Approximation in Adjoint Groups Oriented Cohomology Rings of Some Moduli Spaces via Blowups Bernstein--Sato Theory for D-modules in Positive Characteristic A remark on isolated complex hypersurface singul...

arXiv math. AGの新着論文9本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-16/ Mumford vanishing for threefolds in positive characteristic Deformations of fibered Calabi--Yau varieties A lower bound on the Calabi functional for a degeneration of polarized varieties Relative Langlands duality and Koszul duality Lagrangian correspondences for moduli space...

arXiv math. AGの新着論文19本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-15/ Cycles in the universal moduli stack of bundles of rank two over genus two curves Affine Springer fiber and the small quantum group Semiorthogonal decompositions and components of derived categories of orthogonal Grassmannian fibrations KSBA moduli spaces of cubic surfaces w...

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/2026-04-14/ Some faithful algebraic braid twist group actions for 3-fold crepant resolutions Rationality of cohomological descendent series for Quot schemes on surfaces with $p_g=0$ Descendant and Fourier-Mukai equivalences for simple flops Notes on the decomposition theorem for blowups...

arXiv math. AG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-ag/episodes/2026-04-13/ Neutral representations in dimension $\leq 3$ and fields of moduli Prime Fano threefolds of genus 8 in positive characteristic Moduli of toric principal bundles Recent progress on the Minimal Model Program for foliations Picard-Fuchs Equations of Twisted Differential forms a...

arXiv math. AGの新着論文9本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-10/ A one-step counterexample to the normalized Nash blowup conjecture The parity of theta characteristics is preserved by infinitesimal deformations Quasi-Compactness in Infinite Dimension Elementary links from prime Fano threefolds along two lines Rank one foliations on toroida...

arXiv math. AGの新着論文17本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-09/ Factorizations of Moduli Morphisms and Universal Maps to Deligne-Mumford Stacks Finite-Node Perverse Schobers and Corrected Extensions for Conifold Degenerations Cohomological aspects of power ideals Differential graded categories in holomorphic symplectic geometry A symplec...

arXiv math. AGの新着論文20本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-08/ Coherent sheaves in logarithmic geometry Frobenius nonclassicality of generalized Fermat curves with respect to conics On a Conjecture I for unirational algebraic groups over an imperfect field Notes on acceptable bundles II Geometric singularities of regular surfaces with n...

arXiv math. AGの新着論文21本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-07/ On nice $\mathbb{G}_m$-actions arising from locally nilpotent derivations with slice Rank jumps for Jacobians of Hyperelliptic curves on K3 surfaces A categorical and algebro-geometric theory of localization An approach to the abundance conjecture for K\"ahler varieties via...

arXiv math. AGの新着論文16本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-06/ Higher Chow cycles, cyclic cubic fourfolds and Lagrangian subvarieties Algebraization of absolute perfectoidization via section rings The rationality problem for multinorm one tori, II Locally finite solvable Lie algebras of derivations Automorphisms of the boundary complex...

arXiv math. AGの新着論文14本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-04-03/ Non-reduced components of global nilpotent cones On the classification of products of Hilbert schemes of points over a surface Galois group of exceptional curves on the generic del Pezzo surface Tropical covers, tropical abelian varieties and Prym varieties On Relative Ulric...

arXiv math. AG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-ag/episodes/2026-04-02/ Heisenberg vertex algebras and abelian varieties Conformal blocks in algebraic geometry Local multiplicities for an equivariantly enriched non-transverse B\'ezout's theorem The semiregularity theorem for equivariant noncommutative varieties Tropical matroid Schubert varietie...

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/2026-04-01/ Deformations of locally constant stability conditions and good moduli spaces Hodge Structures in Sextic Fourfolds Equipped with an Involution Unexpected toric Richardson varieties Autoequivalences of Derived Categories of Bielliptic Surfaces On intersections of fields of rat...

arXiv math. AGの新着論文24本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-03-31/ Applications of (higher) categorical trace II: Deligne-Lusztig theory Deligne's weight spectral sequence and tautological cohomology of the moduli space of curves On the $\mathrm{PGL}_2$-equivariant intersection theory of $\mathrm{Gr}(2,4)$ Structure of the Components of the...

arXiv math. AGの新着論文14本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-03-30/ Conics Quadrics Mapping & Cones Geometric classification of primes modulo a (bend) congruence Tropical singular intersection homology On Effective Iitaka Fibration Indices for Stable Minimal Models with Large Iitaka Volumes Smooth plane curves with a unique outer Galois poin...

arXiv math. AGの新着論文18本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-03-27/ Bounds on the Mordell-Weil rank of elliptic fibrations Perfectoid pure thresholds of lifts of rational double points Singularities of Foliations and Good Moduli Spaces of Algebraic Stacks Common Real Secants to Pairs of Real Twisted Cubic Curves The crisp topology, a refinem...

arXiv math. AGの新着論文12本をご紹介します。 番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-03-26/ Logarithmic purity and logarithmic Nori fundamental group Independence of tautological classes and cohomological stability for strata of differentials Stein degree of proper morphisms Conic modules, secondary fans and non-commutative resolutions On the dynamical degree of su...