プレプリどんどん: math.AG
40 Episodes
Subscribe
✂️ Turn this podcast into clips
arXivのmath.AG (代数幾何学) の新着論文の概要をAIで日本語でお届けするポッドキャストです。 情報収集にお役立てください。 (AIで生成していますので必ずしも正しいとは限りません)
MATH-AG - 2026/9/25の論文40本
Last Friday at 5:00 AM
arXiv math.AGの新着論文40本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-25/
Projective blowups: a formal and multicentered proofReducibility and Diagonal Equality Strata for Finite Jacobi PencilsCongruence spectra and geometric reconstruction of $\boldsymbol{T}$-algebrasBulk-deformed enumerative mirror symmetry for toric Fano surfacesThe GIT of 4x3x3 tensors (determinantal cubic surfaces)Affine Spherical Mass and a Gaussian Kinematic Formula for Tropical Two-FansNon-smoothable Calabi-Yau threefolds from reflexive polytopesPlanar rank-one sheaves on $\mathbb{P}^3$, obstruction bundles, and divisor-supported Donaldson--Thomas seriesBondal--Orlov reconstruction for tame stacks with trivial generic stabilizerSquaring Up by Selection: NP-Completeness at Three Simple RootsA Strong Global Torelli theorem for OG6 type varietiesThe Serr...MATH-AG - 2026/9/24の論文39本
Last Thursday at 5:00 AM
arXiv math.AGの新着論文39本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-24/
A smooth quintic surface with 85 lines and Picard number 43The non-abelian Hodge correspondence for extensions on quasi-projective curvesEuler characteristics of strata of $k$-differentialsOpen extension of a genus zero Hurwitz-Frobenius manifoldDegrees and directional defects of embedded algebraic vector bundlesLinear Algebra and Algebraic Geometry: A Matrix Construction for Classifying Families of Algebraic Curves with No Solutions in Z^+Harder-Narasimhan filtration of torsion F-gaugesThe minimal volume of normal stable surface pairs with reduced boundary containing a zero-dimensional non-klt centerRigid and obstructed tangent bundles on Calabi--Yau threefoldsLengths of Hodge characters in Fermat varietie...MATH-AG - 2026/9/23の論文29本
Last Wednesday at 5:00 AM
arXiv math.AGの新着論文29本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-23/
Local Logarithmic Cartier TransformPrincipal Minors and Absolute ValuesExistence of coarse moduli superspaces for Deligne--Mumford superstacksThe Lange-Stuhler Theorem via GerbesEquality and iso-duality of Generalized Geometric Goppa codesAn analytic construction of the universal moduli space of $\mathrm{SL}_r(\mathbb C)$-Higgs bundlesSymbols at infinity and Lie algebras of vector fieldsA Fan Algorithm for Chow-Witt Rings of Smooth Projective Toric VarietiesCuspidal Cubic Projective Foliations: Global Rigidity, Deformations, and Pull-BacksIrregular Hodge Bundles for Deligne--Mumford Landau--Ginzburg Families with Fixed Pole Orders$\mathbb{P}^1$ Homotopy Theory of SchemesTwo-flag degenerations and real circles tangent to three coni...単極曲面とモノドロミーとコホモロジー - 2026/9/22の論文44本
Last Tuesday at 5:00 AM
arXiv math.AGの新着論文44本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-22/
A codimension formula for intrinsic perturbation of $A$-hypergeometric seriesLocal monodromy, Behrend function and Hilbert scheme of points on $\mathbb{C}^3$Maximal singular curves over finite fields from elliptic and hyperelliptic curvesSpecial valuations and automorphisms of affine log Calabi--Yau varietiesOn the Rank of Normal Functions on Pointed CurvesLocal cohomology with Schubert support on compact Hermitian symmetric spacesOn the gap between the integral and rational Gongyo indices of toric Fano varietiesA polynomial formula for the Albanese map of the Cartwright-Steger surfaceRestricted monodromy containing transpositionsSemiampleness on Jacobian elliptic surfaces of Kodaira...ホッジ構造とフラッグ多様体と有理性 - 2026/9/21の論文17本
Last Monday at 5:00 AM
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/2026-09-21/
Abelian Relations are Liouvillian$K$-regularity for finite quotient singularitiesA geometric approach to the density of rank-metric codesTangent bundles of Quot schemes of vector bundles on curvesDouble shuffle relations via the Hodge defectBound of automorphisms of fibred surfaces in positive characteristicOn Fano varieties of index one that are linear sections of Grassmannians of linesBounds on automorphism groups of surfaces of general type with negative c_2Irrationality of the first stabilization of a complex smooth cubic threefoldAn equivariant version of Gabber's lemmaOrlov's rationality conjecture for surfacesOn the atomic decomposition of...motivesと多様体とスタック - 2026/9/18の論文27本
09/18/2026
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/2026-09-18/
The Drinfeld associator and $A_\infty$ functorsBalancedness of Normal Bundles of Rational Curves in GrassmanniansA Quadratically Enriched Pushforward for Deligne--Mumford StacksHypersurfaces containing involutive cones in projective symplectic spacesMicrolocal perverse schobers and Radon transformChow Vanishing and Motives of Cluster VarietiesThe Bernstein-Sato Polynomial of the Hankel DeterminantBounds for Codimension-One Components of Zero Loci of Bernstein-Sato IdealsThe unramified Grothendieck--Serre conjectureOn Logarithmic Poisson and De Rham Cohomology Groups of a Class of Inhomogeneous DivisorsA Survey on Pham-Brieskorn VarietiesUniform Rost nilpotence and birational motivesCartier crystals and dual-constructible $p$-torsion complexesAn exponential Lojasiewicz in...曲線と不変量と変形と多様体 - 2026/9/17の論文31本
09/17/2026
arXiv math.AGの新着論文31本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-17/
Transitive automorphism groups of maximal curvesXiao's Genus-Two Fibration: Branched Covers and Braid MonodromyBicomplex Characteristic ClassesHodge integrals on admissible covers and tautological projections of Prym classesOn Logarithmic Donaldson-Thomas invariants for local Calabi-Yau $4$-foldsAn elementary way to find a counterexample to the Jacobian ConjectureGeometry of three--generated ideals in the planeToric vector bundles with trivial Chern class and flag decorationsKoszul Duality for Symmetric Algebras and Derived Loop SpacesOn the singularities and the Kodaira dimension of unitary Shimura varietiesNodal deformations of hypersurfaces with an ordinary $m$-fold pointVirtual classes: An introduction with exercise...ショットキー理想とグロモフ・ウィッテン理論 - 2026/9/16の論文29本
09/16/2026
arXiv math.AGの新着論文29本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-16/
Schottky versus super Schottky in genus 4On the Super-Schottky Ideal and Powers of the Classical Schottky Ideal for $g \geq 5$Filtrations on Local Cohomology and Injectivity TheoremsDemailly's Inequality for Finite Sets of Points in Positive CharacteristicNilpotent Jacobian maps in dimension three and stable tameness in block extensionsPunctured log Gromov-Witten theory of log modifications and double ramification cycles with target log varietyArc-analytic functions on locally closed semialgebraic setsCartan-Fejer Gram Tomography and Flop Covariance for BPS Resummed Gromov-Witten PotentialsGeneric Triviality of Linear Automorphisms of Complete IntersectionsMori dream fibers and the geometric generic...不変量と変形とモジュライ空間 - 2026/9/15の論文53本
09/15/2026
arXiv math.AGの新着論文53本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-15/
Stringy invariants for abelian character varietiesDegrees of Fano Quiver ModuliA Log Canonical Counterexample to the Chen--Jiang DecompositionExtensions and Segre stratifications over algebraic surfacesContact Rigidity and Comparison Kernels for Type A lci Schubert VarietiesConifold Gap for the Quintic ThreefoldThe cylinder over the Russell cubic threefold is flexibleMotivic Steenrod algebra and Thom obstructions without desingularizationTheta-duality and Prym-Torelli for cyclic covers of hyperelliptic curvesDiscriminants of Hermitian forms, maximal degenerations and Kontsevich's tropical approach to the Hodge conjectureTorelli theorems for Quot schemes of vector bundles on curvesHolomorphic polyvector fields on toric varieties via Klyachko...特異点とミラー対称性と楕円曲線 - 2026/9/14の論文29本
09/14/2026
arXiv math.AGの新着論文29本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-14/
Algebraic loops, braids, and tropicalizationPoincar\'e duality for pro-\'etale $\mathbf{Q}_p$-local systemsBorder rank lower bounds beyond weak border apolarityCharacteristic Classes of Adelic Vector Bundles and ApplicationsSiebert's formula for virtual pullbacksSeshadri slope $\K$-semistability for the blow-up of projective space along a linear subspaceTorus actions on compactified braid varieties and polytopality of subword complexesHolomorphic isomonodromic deformations of Higgs bundles: absolute lifting, spectral flatness, and nilpotent rigidityAbundance theorem for log surfacesHodge-Deligne and Poincar\'e polynomials of $\overline{\mathcal M}_{1,n}$Crepant resolutions of fiber products and Kummer fibrations o...有理曲線とモジュライ空間と数論的性質 - 2026/9/11の論文25本
09/11/2026
arXiv math.AGの新着論文25本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-11/
Long range divided differences, clusters, and Graham-positivityThe Reye geometry inside the 64 lines of the Schur quarticTorelli theorem for the product of moduli spaces of vector bundles over a curvePerverse Euler Characteristics of Hermitian Locally Symmetric SpacesCoupled Pklt Tuples and Varieties of Pklt TypeGraded Betti numbers of general curves of large degreeDivisibility and torsion in higher Chow groups over arithmetic fieldsOpenness of local properties in flat families of superschemesGeneric vanishing conjecture for divisorsCampana Rational Connectedness and Weak Approximation of Del Pezzo OrbifoldsA maximal function field of genus $17$ over $\mathbb{F}_{11^2}$...不変量と多様体と表現の幾何学 - 2026/9/10の論文35本
09/10/2026
arXiv math.AGの新着論文35本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-10/
From Closed to Relative Higher-Genus Gromov-Witten Invariants via Resurgent FunctionsSecant varieties of flag varieties via Schur apolarityPrime Fano fourfolds in classical and generalized GrassmanniansThe algebraic geometry of 3-by-3 magic squares of squaresAutomorphism groups of semi-rigid $T$-varieties of complexity oneUlrich bundles on intersections of two quadricsRepresentation Varieties of Stacks and Trace MapsDeterminantal Kernel Schemes of Matrix Nets and Applications to Positive MapsPositivity of compact K\"ahler varieties admitting an int-amplified endomorphismAutomorphism groups and Homogeneous fibrations on projective varieties with nef anticanonical divisorsReconstruction of Binary Linear Systems and Profile Geometry of...モジュライと多様体と特異点とコホモロジー - 2026/9/9の論文73本
09/09/2026
arXiv math.AGの新着論文73本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-09/
Tame polynomial automorphismsCoarse moduli of motivic augmentationsOn endomorphisms of affine spaces and the Jacobian problemMutation Sequences along Weaves and Amalgamation of Braid VarietiesOpen-closed duality in higher genus and windingRelative Geometric Invariant Theory: Reductive and Non-reductiveBoundedness of Stein degrees in positive characteristicsProbability-theoretic interpretation of degeneracy locus formulasTropicalization of Fock's inverse spectral transformPolynomial point counts for moduli spaces of curves with marked pointsMonodromy Eigenvalues of Milnor Fibers for Line ArrangementsThe Constant in Thomae-Type Formulas for Eight Points on the Complex Projective LineWhen is a polynomial in three variables cylindrical?Disconnect...コホモロジーと多様体と層の変形 - 2026/9/7の論文17本
09/07/2026
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/2026-09-07/
On the torsion in the Chow motive of an Enriques surfaceCohomology on Cotangent Bundles of Partial Flag Varieties in Type AHeisenberg Equivariant Compactifications of Rational Homogeneous VarietiesModuli of Conics on General Plucker Linear Sections of Grassmanniansq-Opers and Quantum/Classical Duality Beyond Type ARelative Brauer groups and Kummer Sequence without characteristic constraint in $fppf$-topologySuperconnections, descent, and monodromy on transversely holomorphic foliationsLegendrian families of lines on nilpotent orbit closuresParahoric motivic Hecke categories in equal and mixed characteristicA flatness criterion for pseudo-effective sheaves on compact K\"ahler spacesSemiorthogonal decompositi...ヒルベルトスキームと対数正準モデル - 2026/9/4の論文26本
09/04/2026
arXiv math.AGの新着論文26本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-04/
Artin-Schreier geproci configurations in projective spaces of arbitrary dimensionEquilibria for Networks of Linear Translational SpringsExperiments with membranes, maps and sheavesSome generalizations of Oort's conjectureCharacteristic-free characterizations of projective space for smooth toric varietiesLog canonical models of a fixed variety with varying boundariesGrassmann--Pl\"ucker Parametrization of Convolutional Filter Subspaces: Regularity and Closed EmbeddingsA note on the noncommutative Hodge conjecture for graded matrix factorizationsNew bounds for the support of input-output equations in differential-algebraic systemsA Polynomial PDE Criterion for the $-n/d$ Root of the Bernstein-Sato polynomial of Homogeneous IdealsCharacterizing Contr...アーベル多様体とD加群と多様体 - 2026/9/3の論文26本
09/03/2026
arXiv math.AGの新着論文26本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-03/
A comparison theorem for relative regular holonomic D-modulesEssential Dimension and Faithful Rank of Finite p-GerbesA logarithmic Bogomolov--Sommese vanishing theorem on compact K\"ahler manifoldsContact fundamental forms and adjoint varietiesGroups of Transverse Stratifications and the Hierarchy of Configuration SpacesDegree of irrationality of abelian surfacesMembranes and MapsNef Cones of Hilbert Schemes of Orthogonal GrassmanniansFinite Directional Coefficient Modules over Euler Fibers of $A$-Hypergeometric SystemsFlexibility of affine cones over blow-ups of weighted projective planesNon-nef loci in mixed characteristicSmooth Counterexamples to the Eisenbud--Schreyer--Weyman Ulrich Existence ProblemCharacterization of Stanley-Reisner varieties by their automorphism groupL...特異点とカラビヤウ多様体とFano多様体 - 2026/9/2の論文30本
09/02/2026
arXiv math.AGの新着論文30本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-02/
Calabi-Yau Threefold Singularities and their Universal QuiltsNonexistence of degree two rational multisections of conic bundles over the planeThom series in negative relative codimensionA holomorphic (2, 2)-Theorem for Abelian varieties of CM-typeThe Absolute Twistor Line and the Geometry of $\overline{\text{Spec}\, \mathbf Z}$Weighted Syzygies of Pointed CurvesInfinite transitivity of tame groups of automorphisms of affine spacesHodge--Tate splitting and Akizuki--Nakano vanishing in positive characteristicBounded cohomology property on Jacobian elliptic surfaces with simplicial Mori conesDeciding superellipticity and computing the Weierstrass normal formAn integral Hyodo--Kato isomorphismDeformations of Compact Calabi--Yau and Fano Varieties...変形と特異点と鏡像対称性とモジュライ - 2026/9/1の論文42本
09/01/2026
arXiv math.AGの新着論文42本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-01/
The Tate conjecture for abelian fourfolds over finite fieldsSingular Points on Positroid Varieties and Planar N=4 Supersymmetric Yang-Mills TheoryNonnegative conorms, regular matroids, and the tropical Schottky problemNoncommutative Hourglasses II 1/2: Derived Category of Birational Linkage with Well-Formed SingularitiesAll genus open mirror symmetry for footballsAmple vector bundles on non-proper schemesSix-functor formalism for Kummer \'etale cohomology of log schemesQuasimap critical cohomology, Coulomb branches, and quantum groupsThe Picard number of fibred Mori dream surfacesInfinitesimal Deformations of Generalized Parabolic Hitchin PairsWeil's Theorem for Logarithmic Connections on Irreducible Nodal CurvesWall-crossing formula and genus-one Virasoro conject...トーリック多様体と特異点と曲線の理論 - 2026/8/31の論文27本
08/31/2026
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/2026-08-31/
An action of the affine Yangian $Y_{t_1,t_2}(\widehat{\mathfrak{gl}}_1)$ on the cohomology of the moduli space of stable sheaves on surfacesOrbifold Degenerations of Hirzebruch SurfacesFinding large families of rational curves through Bend-and-BreakSingularity Categories of Simple Singularities in Positive Characteristic$K_2$-regularity is equivalent to smoothness for toric varietiesThe Segre invariant and Brill-Noether theory on Hirzebruch surfacesMetric-geometric Chow theoremOn Frobenius rigidity for motivic cohomologyDegree of irrationality of properly elliptic surfacesSyzygies of Polarized Abelian Surfaces: A Reider-Type CriterionA non-klt counterexample to Shokurov's index conjectureIndependence of the Grothend...ファノ多様体と葉状構造とモジュライ空間 - 2026/8/28の論文28本
08/28/2026
arXiv math.AGの新着論文28本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-28/
On the geometry of Fano varieties with Lefschetz defect 2Beauville--Bogomolov--Fujiki positivity and Moishezonness of complex symplectic manifolds in Fujiki class $\mathscr C$Isocrystals on unibranch varieties and open immersionsThe Geometry of the Exceptional Component of Degree Two Foliations on $\mathbb{P}^3$Kawamata--Miyaoka type inequality for weak Fano varietiesGeometric Invariant Theory of Peterson VarietiesHolonomy and Integrability of $p$-Closed FoliationsNef cone decompositions for nested Hilbert schemes of points on surfacesNon-existence of separating morphisms of low degreeRank Two Sheaves With Maximal Third Chern Class on the Fano Threefold of Index 2 and Degree 5...モジュライ空間と曲面と多様体の幾何学 - 2026/8/27の論文30本
08/27/2026
arXiv math.AGの新着論文30本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-27/
Genus 4 Supermoduli Space Is Not ProjectedKochen-Specker Configurations from Grids on Dual QuadricsLog MMP Constraints on Curves with Cuspidal SingularitiesDimensions of type $A$ Hessenberg varieties over a fixed sheetFrom Spectral Curves to Variational Equations: Geometry and Differential Galois Theory of KdV Cnoidal WavesSpin structures and measures on the moduli space of curvesThe geography of Chern slopes with prescribed fundamental groupThe image of the constant sheaf under the geometric Langlands equivalenceTopological String Blowup Equations via Stable PairsQuasi-Galois points for quartic surfacesTautological Pushforwards of Hilbert Schemes of Points on Curves and SurfacesMultiplic...曲線と曲面とモジュライ空間の幾何学 - 2026/8/26の論文25本
08/26/2026
arXiv math.AGの新着論文25本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-26/
On the Geometry of Sixers on the Fermat Cubic SurfaceAn approach to curves in abelian surfaces using Fourier--Mukai and quadratic formsA counterexample to a global-dimension bound for weighted projective linesCohomology of moduli spaces of pointed curvesQuantum invariance under non-smooth toric flops of the simplest typeThe Number of Curves of Genus 2 with a Given Refined Humbert InvariantDerived Enhancements of $T$-fixed subschemesLocal stability of Frobenius and Artin--Schreier base-change: a comparisonUnobstructedness of affine Gorenstein terminal toric fourfoldsIterated Cartier Flux and Non-Finite Generation of Tame Polynomial Automorphism Groups over Finite FieldsDescent and B...K3曲面とトロピカル幾何学と不変量 - 2026/8/25の論文33本
08/25/2026
arXiv math.AGの新着論文33本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-25/
The classification of generalised Kummer surfaces in positive characteristicBorder rank=rank for Kruskal tensors and a Kruskal's theorem for skew decompositionsContinuity of the tropical Prym-Torelli mapWhen is the matroid Schubert variety $\mathbb{Q}$-Gorenstein?Arithmetic Kodaira--Spencer Class and Frobenius Liftings via Frobenius--Witt Cotangent ComplexA Chow-Type theorem from asymptotic directionsA Finiteness Theorem for Quartic K3-Fibred Calabi--Yau Threefolds in ScrollsExplicit integration, birational models and symmetries of Lins Neto's exceptional families of foliationsA L\^e number addendum to the Morse Splitting LemmaAlgebraically trivial tropical cycles are smash-nilpotentOn the projectivity of...ファノ多様体と安定性と圏の接着 - 2026/8/24の論文16本
08/24/2026
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/2026-08-24/
Computing Jet Differentials and the Green-Griffiths-Lang Conjecture for Complements of Smooth Plane CurvesFujiki Class $\mathcal C$ Varieties and a K\"ahler CriterionOn a conjecture of Demailly-Peternell-Schneider: the Kahler caseTorsion of extended Chern-Simons classes for canonical extensions of flat bundlesMori theory and symplectic reduction for polygons and quiversGluing abelian categories and stability conditionsMukai bundles and Brill-Noether generality for prime Fano threefolds in positive characteristicPrime Fano threefolds in positive characteristicLocally Acyclic Surface Type and Finite Type Cluster Algebras Have No Mysterious PointsHyperelliptic Brill-Noether lociSlope stability of tangent bundles of smooth toric Fano v...特異点と有理的モデルと安定性 - 2026/8/21の論文13本
08/21/2026
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/2026-08-21/
A minimality criterion for surfaces of general type with applications to product-quotient surfacesGeometrically multiplicative non-archimedean normsQuadratic generation of ideals defining nonsigular toric 3-foldsExplicit birational models of marked elliptic surfaces of relative degree twoUniversal torsors over quartic del Pezzo surfaces and stable rationalityResolution of Singularities in Positive Characteristic: Frobenius-Hasse Towers and Exceptional-History DescentThe arithmetic de Rham stackDisproof of the Yau--Tian--Donaldson conjectureRibet Points, geometric divisibility sequence and order of reductions on semiabelian varietiesSupergroup Gauged Linear Sigma Models and their Physical MathematicsEigensolvers for polynomial roots and tensor decompositionPositive scalar curvature...ホッジ予想と特異点と不変量と多様体 - 2026/8/20の論文21本
08/20/2026
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/2026-08-20/
The Hodge conjecture for Fermat fourfolds of odd degree at most 199Differential Operators on $G(r,n)$-Invariant FunctionsEquivalence of Curve Singularities and delta-InvariantsPolytopes of Effective Boundary Expressions of Divisors on $\overline{M}_{0,n}$Sixteen generators of the automorphism group of the Fermat quartic surfaceWitt groups of smooth real curves and surfacesQuadratic Cremona transformations of $\mathbb{P}^4$Weighted Galois points for $K3$ surfaces in $\mathbb{P}(1,1,1, 3)$Toric Representation Type of the Veronese SurfaceAll-Genus Large-Degree Asymptotics for Gromov--Witten Invariants of the Projective PlaneDifferentiable approximation of continuous locally definable maps that...Fano多様体とモチーフと不変量 - 2026/8/19の論文19本
08/19/2026
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/2026-08-19/
F-rationality of multiplicity-free subvarietiesK-moduli of Fano threefolds of rank 2 and degree 28Quantized Volume Comparison for Fano Manifolds, IIMotivic nearby functors on perverse Nori motivesA $k$-Dimensional Version of the Largest Intersection ProblemWitt rings, Pfister forms, and equivariant birational geometrySuslin's cancellation conjecture on smooth real affine varieties with few real pointsSymmetric Differentials on K3 SurfacesCombinatorics of the Fourier transform: Stokes data, Gale duality and frieze patternsA note on smooth quotients of Prym varietiesCombinatorial Hodge Index Theorem for PolytopesObstructions to intrinsic perturbation for $A$-hypergeometric seriesCounterexamples to Sato's Weak F-Equivalence Conjectur...特異点と多様体とコホモロジー - 2026/8/18の論文29本
08/18/2026
arXiv math.AGの新着論文29本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-18/
Ideal class maps on projective spaces and GrassmanniansEstimates for roots of Bernstein-Sato polynomials via log resolutions by orbifoldsThe minimal exponents of semi-quasihomogeneous and Khovanskii non-degenerate complete intersectionsOn branched coverings of the projective line over the integersK_0-motives and the Chow weight-heartUnirational del Pezzo surfaces of degree oneA six-functor formalism for syntomic cohomologyStability conditions supported on Lefschetz classesPolynomial interpolation and the Waldschmidt constant of points in projective spaceSome explicit counter-examples to Weibel's conjectureQuot scheme of points on torus knot singularitiesSingularities of rational maps: foundations and surfacesMonodromy of stratified vector...代数曲線とFano多様体と特異点解析 - 2026/8/17の論文26本
08/17/2026
arXiv math.AGの新着論文26本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-17/
Algebraic curves admitting automorphism groups of large prime square orderThe Lie algebra of polynomial vector fields on the affine space with constant divergence is $1.5$-generatedTwisted forms of classical hypersurfacesRank-two weak Fano bundles on a four-dimensional quadric hypersurface $Q^4$Scrollar invariants of singular curves on toric surfacesThe Hassett-Keel program via $\Theta$-stabilityThe alpha spectrum of K-polystable toric $\mathbb{Q}$-Fano varietiesThe Quartic Hessian Conjecture in Dimension FourThe cone theorem for effective fourfold pairs in characteristic $p>5$Estimation of calculation errors and resolution of singularitiesWeight decomposition for toroidal abelian fibrationsSemi-ab...曲線と表現と層と多様体 - 2026/8/14の論文16本
08/14/2026
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/2026-08-14/
Monodromy of plane curve singularities and quiver mutationVirasoro Recursions for Simplicially Stable Curves with Colliding MarkingsCollision-Hull Compression for Homogeneous Keller Maps and a Forty-Variable Counterexample to Zhao's Vanishing ConjectureRigidity for Lie algebras of locally finite derivationsTame fundamental groups of rigid spacesLower bounds for the Smith-Thom deficiency of Hilbert squaresTopological obstructions to geometric positivity and negativity on Calabi-Yau manifoldsSupersymmetry, differential operators of infinite order and theta functionsAlgebraic cycles and Fano threefolds of genus 7Tropical and algebraic elliptic plane curves with fixed j-invariantEquivalences via twisted hyperholomorphic sheaves from transverse Lagrangian fib...Fano多様体とK3表面と特異点 - 2026/8/13の論文20本
08/13/2026
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/2026-08-13/
Frobenius--Tschirnhausen amplenessA Chain- and Diagram-Level Semantics for Morphological Calculus Refinement, monodromy, and bivector orbit decompositionsDeletion-contraction properties of graphically stable spacesSemiorthogonal indecomposability for Hilbert schemes of points on integral locally planar curvesEchoes of phantoms on rational surfacesRegulators of canonical extensions are torsion:the case of two transversally intersecting smooth divisorsSharp bounds for frame counts and setwise stabilizers in classical groupsBivariate quaternionic factorizations and surfaces that decompose into two circlesInvariant Functions on $p$-divisible Groups and the $p$-adic Corona Problem IIConifold Gap Theorem for Topological RecursionSmooth projective surfaces wi...多様体と束と特異点と変形 - 2026/8/12の論文17本
08/12/2026
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/2026-08-12/
Obstructions for codimension one multiple fibers of Lagrangian and Calabi--Yau fibrationsA criterion for associated bundles and the weak Beauville--Bogomolov decompositionIntroduction to Universal Equations and Characteristic-free ResolutionOn the decomposition theorem for forgetful maps between moduli spaces of stable pointed curvesFinite quotients of sousperfectoid adic spaces need not be adicFinite monodromy groups in degenerating families and the stability degree of curvesModerate and rapid-decay nearby cycles for holonomic D-modulesPoincar\'e \`a la MakdisiAn affine local criterion for toric projective space bundlesLog Calabi-Yau compactifications of $SL(2,\mathbb{C})$ character varieties$\mathbb{A}^1$-fibr...モジュライ空間とホッジ数と安定性 - 2026/8/11の論文38本
08/11/2026
arXiv math.AGの新着論文38本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-11/
Disconnected multigraded Hilbert schemes on $\mathbb{P}^2\times\mathbb{P}^1$The dimension threshold for Batyrev's non-negativity conjecture on stringy Hodge numbersA remark on Banecki's theoremDeformations, local freeness, and base change for higher Du Bois singularitiesA note on geometry of Bridgeland Moduli spaces on Gushel-Mukai threefoldsAutomorphisms of very general blow upPseudo-hyperbolicity of Horikawa surfacesFundamental forms and infinitesimal symmetries of projective varietiesTangent discontinuity in the oper stratification of de Rham moduli spaces$E_1$-Degeneration for Irregular Hodge Filtrations on Deligne--Mumford StacksA Torelli-type theorem for hyperk\"{a}hler quotientsEssential p-dimension an...葉状構造とコホモロジーと鏡像対称性 - 2026/8/10の論文15本
08/10/2026
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/2026-08-10/
A note on the self-intersection of rational unicuspidal curve with one Puiseux pairInitial Ideals, Low-degree Foliations and the Hilbert Scheme of Points on $\mathbb{CP}^{2}$: A First ApproachProjective Foliations with a Unique Singular Point and Maximum Algebraic MultiplicityCohomology Vanishing, Koszul Cohomology and Multigraded Regularity on Projective VarietiesA Deep Dive Into the Tangent Category of SchemesThe basic tropical polynomials generate the semifield of $r$-symmetric tropical rational functionsThe logarithmic $h$- and $v$-topologiesThe cohomology groups of finite cyclic covers of complexified real arrangement complementsReal morsifications via the trace mapMirror...曲線と多様体とホモトピー理論 - 2026/8/7の論文16本
08/07/2026
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/2026-08-07/
Iwahori Fundamental Local EquivalenceSmooth affine surfaces properly dominated by $\mathbf{C}^*\times\mathbf{C}^*$Prym--Tyurin varieties coming from intermediate coverings of curvesOn the topology of fibers of complex polynomial mapsFrobenius--Witt cotangent complex for derived ringsThe Gromov width of generalized Bott-Samelson manifoldsA characterization of ball quotient stacksSchematic Functorialities of Birational Motivic Homotopy CategoriesJoyce's invariant and Virasoro Constraints for Quot schemes on curvesHigher-dimensional Virasoro algebrasMcKay correspondence for linearly reductive finite group schemes in positive characteristicVisualization of Complex Projective CurvesBehrend function and blowup algebrasFiltrations in $\mathbb{C}$-motivic stable homotopy theoryDualiza...曲線と多様体とホモトピー理論 - 2026/8/6の論文16本
08/06/2026
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/2026-08-06/
Iwahori Fundamental Local EquivalenceSmooth affine surfaces properly dominated by $\mathbf{C}^*\times\mathbf{C}^*$Prym--Tyurin varieties coming from intermediate coverings of curvesOn the topology of fibers of complex polynomial mapsFrobenius--Witt cotangent complex for derived ringsThe Gromov width of generalized Bott-Samelson manifoldsA characterization of ball quotient stacksSchematic Functorialities of Birational Motivic Homotopy CategoriesJoyce's invariant and Virasoro Constraints for Quot schemes on curvesHigher-dimensional Virasoro algebrasMcKay correspondence for linearly reductive finite group schemes in positive characteristicVisualization of Complex Projective CurvesBehrend function and blowup algebrasFiltrations in $\mathbb{C}$-motivic stable homotopy theoryDualiza...ヤコビアンとアメーバとFano指数 - 2026/8/5の論文17本
08/05/2026
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/2026-08-05/
A Dimension-Two Counterexample to the Separable Jacobian Conjecture in Characteristic TwoHulls, linear equivalence, and weighted superelliptic codesOrbits and Fields of Definition for Graded Keller MapsMurphy's law in non-abelian Hodge theoryUnifying singular value decompositions of tensors via aligned orthogonalityUnirationality is the same thing as Rational Connectedness in Characteristic ZeroA klt generalized pair with infinitely generated canonical ringOn Fano indices of weighted projective spacesSingularities of Amoeba ContoursCusps and nodes of Amoeba ContoursThe period-index conjecture is falseThe extended Fargues--Scholze spectral actionGeneric Recovery of Permittivity and Permeability in Anisotropic Maxwell SystemsIdentifiabi...モジュライとコホモロジーと特異点 - 2026/8/4の論文36本
08/04/2026
arXiv math.AGの新着論文36本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-08-04/
Counterexamples to the Jacobian conjecture in dimensions greater than twoLocalization and elliptic motivic relationsUniform stratified vanishing and equidistribution on $\mathbb{G}_m^d$Triple Hodge integrals and constant Poisson brackets for rank-one Dubrovin-Zhang hierarchiesArithmetic hypergeometric $\mathcal {D}$-modules and exponential sums on reductive groupsTorus-enriched Motivic Bruhat Complexes and Maximal Compact GroupsA cusp surface singularity is Frobenius liftableNash structure of curves over a valued field and tame henselian rationalityTannakian reconstruction in derived algebraic geometryOn the Datar-Mete-Song minimal slope conjectureModuli spaces of varieties of general type are naturally of log general typeStabi...クズネツォフ成分とホモロジーとリー代数 - 2026/8/3の論文11本
08/03/2026
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/2026-08-03/
Notes on the Kuznetsov component of cubic sevenfoldsCellular $\mathbb{A}^1$-homology of wonderful models of subspace arrangementsOn isotrivial cone structures of highest weight typeA quadratically enriched count of lines on a smooth del Pezzo surface of degree 5Khovanskii's Bezout-type Theorem for Pfaffian Functions: A Self-Contained Proof, and ApplicationsThe motivic Lie algebra embeds into the cohomology of the general linear groupAlternating Quinary Cores of Complete Atomic Ternary $\Gamma$-Semirings: Representation, Binary-Collapse Rigidity, and Witness GeometryOn totally symplectically aspherical manifoldsAn extension theorem in terms of adjoint ideal sheavesSmall Resultant Systems v...不変サイクルと正幾何と安定条件 - 2026/7/31の論文8本
07/31/2026
arXiv math.AGの新着論文8本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-31/
Sharp Bounds for Totally Invariant Cycles of Projective VarietiesFamilies of curves separating pointsLogarithmic Lefschetz fixed point formulae and resonant boundary indicesLog Canonical Models and Positive GeometriesStability conditions and moduli spaces on projective familiesBoundedness of polarized foliated surfacesLocal cohomology modules with nonclosed supportTranscendental Hilbert-Kunz Multiplicities