プレプリどんどん: math.AG

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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)

  1. 10時間前

    MATH-AG - 2026/9/25の論文40本

    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 Serre-Grothendieck Finiteness Theorem for the cohomology of coherent sheavesTorelli theorems for moduli stacks and twisted moduli spaces of vector bundlesRamification of the moduli map for hyperplane sections of K3s and hypersurfacesStringy Irregular Hodge Numbers for Non-Simplicial Toric Landau--Ginzburg DataCartan Determinants in algebraic geometryOn the Analyticity of Amoeba ContoursBeyond Harnack RigidityCompact Complex Threefolds Fibred by Two-Dimensional Complex ToriSpecht ideals for the imprimitive complex reflection group $G(r,1,n)$: geometric orbit types and a dominance theoremA generalized Saito criterion, from line arrangements to curvesUniform Tur\'an estimates and sharp bounds for degree and mixed orbit growthAn irregular smooth Fano fourfold in positive characteristicA Hochschild-Kostant-Rosenberg type theorem for coherent matrix factorizationsA Secondary Multiplicative Structure on Lawson HomologyGeometry of Newton homotopies: bivariate caseFrobenius lifts and point counting for smooth curvesA Peterson program for general Schubert varieties and mirror symmetryEquivariant bordism rigidity for toric manifoldsAlgebraic Expressivity Certificates for Shallow Polynomial Neural NetworksNoncongruence cusp forms, Veech groups and enumerationToric Richardson Varieties and Slice LinksMatrix factorization of quotient singularities of type A and DRicci entropy, RCD structures and Kahler spacesOn the DML(1) property for regular endomorphisms of affine spaces: the $\mathbb{G}_m$-caseSingularity Analysis for the Perspective-Four and Five-Line ProblemsJordan Blocks, Differential Traces, and Colon-Ideal Noncontainment over Noetherian QuotientsAn $n^2\log\log n$ Lower Bound for Permanent Circuits with Valid DivisionSparsity of rational points on torsion level covers of Hilbert modular varietiesA quasisymmetric analog of Grassmannian Schubert varieties

  2. 1日前

    MATH-AG - 2026/9/24の論文39本

    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 varietiesOrbits in stability manifolds and categorical entropy: applications to varieties with finite Albanese morphismsLandau singularities and convex geometryA Topos-Theoretic Approach to the Logarithmic Cartier TransformOn the local theory of non-archimedean psh functionsSymmetric differentials on hypersurfaces in weighted projective three spaceNon-algebraicity of Deligne--Hitchin twistor spacesSearching Schemes With $p$-Adic Neumann Boundary Value ProblemsThe Tate conjecture for powers of abelian fourfolds and the Hodge conjecture for powers of CM fourfolds105 families of Fano threefolds in positive characteristic$\mathbb{A}^1$-connectedness of moduli of vector bundles on a stacky curveConstructing Rational Curves via Jets on Projective Varieties with Non-Nef Canonical BundleRamond from Random: Weil-Petersson Volumes for Super-Riemann surfaces with NS Boundaries and R Punctures$N=1$ Supersymmetry, Weil-Petersson Volume Recursion, and a Spectral CurveA boundary-addition identity for Weil-Petersson volumes and their supersymmetric generalizationsAlgebraically primitive Teichm\"uller curves in \Omega\mathcal M_g(2g-2)^{\mathrm{hyp}}The Primitive Generalized Fermat Equation x^3+y^5=z^7: A computer-assisted proofThe number of Ekedahl-Oort strata intersecting the supersingular locus in the Siegel modular varietyDimensions of permanental varieties in arbitrary sizeOn the normality of the commuting schemeUniform RC-positivity of tangent bundlesResultant of an equivariant polynomial system with respect to the reflection group $G(r,n)$Equality cases for matrix spaces with bounded-rank commutatorsGeneric $\mu$-power ideals, fat points, and symbolic powersSymmetric group actions on the coordinate ring of the lower unipotent group and the polynomial ring with quantum parametersBeyond the unique pair: a two-parameter family of rational triangles with equal perimeter and areaDerived Smooth and Banach Higher Groupoids: Representability and DescentA 27 x 27 x 27 counterexample to Comon's conjectureDelta Characters and Filtered IsocrystalsThe J-equation at the birational minimal slope

  3. 2日前

    MATH-AG - 2026/9/23の論文29本

    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 conicsGeometric Detection and Finiteness of Crystalline Local SystemsBernstein-Sato ideals for free hyperplane arrangementsIrrational Seshadri constants from dihedral orbitsTropicalization and degeneration of short flag varieties and their fibersUniruledness and the sign of total scalar curvatureBrill-Noether existence with secantsBogomolov-Guan Manifolds are not formalThe dHYM equation on crepant resolutions of Calabi-Yau conesA Polytopal Realization of Higher-Categorical AssociahedraA proof of the Eisenbud-Huneke-Ulrich conjectureS-integrality for families of ordinary K3 surfaces and algebraicity theoremsA Bounded Degree SOS Plus SONC Hierarchy for Polynomial OptimizationResultant of an equivariant polynomial system with respect to a direct product of $r$ symmetric groupsType changing, compact generalized Calabi--YausAmple vector bundles without Griffiths-semipositive metricsA first-jet characterization of Griffiths positivityp-curvature in non-commutative Hodge theory and the Kontsevich-Soibelman operad

  4. 3日前

    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

    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 dimension oneMordell--Weil groups of quasi-elliptic surfaces in characteristic 3Bimeromorphic invariance of $\partial\bar\partial$-property and blow-up formulae I: counterexamples and derived category approachNondeformability of Moishezon manifolds with nonnegative Kodaira dimensionFreeness of Pluricanonical Linear System on Smooth Minimal n-folds of General TypeFrobenius splitting for Fano threefoldsPolynomial Volume Bounds and Effective Birationality for Log Calabi-Yau SurfacesFundamental Lemmas in Universal ResolutionA local cohomology obstruction to small Cohen--Macaulay modulesTrifocal Tensors in Three-View GeometryFiniteness theorems for pseudo-coherent complexes on algebraic stacks2-step ideals and commuting matricesThe Generalized Lax Conjecture for Strictly Hyperbolic PolynomialsUntwisting the twisted character variety via a stacky curveConormal Rank of Subvarieties of GrassmanniansOn Free and Nearly Free Conjecture of Rational Unibranched Projective Plane CurvesMagic positivity of Snapper polynomials for matroidsBoundedness of geometrically integral $\epsilon$-klt del Pezzo surfacesGeometric index theorems for holomorphic foliations and curvesThe Bourbaki Degree of Line ArrangementsBad Reduction of Genus Two Curves with complex multiplicationProjectively induced K\"ahler--Einstein surfacesSteinness of the Basic $\mathrm{GL}_n$ Local Shimura Tower in Odd RankCounting number fields with symplectic Galois groupExact Quotients of Fresnel-Kummer Surfaces and Certified Biaxial RefractionGauge Origami of the Conifold $\times$ $\mathbb{C}$Affine Harish-Chandra center in positive characteristicConcave transforms and volumes of adelic line bundlesBlaschke Conjecture and Complex GeometryQuantum modularity in refined topological recursionKodaira fibres and wrapped Floer cohomologyA fully faithful p-adic Riemann--Hilbert functor for filtered coherent D-modulesComplete classification of algebraically primitive Teichm\"uller curves in $\Omega\mathcal{M}_g(g-1,g-1)^{\mathrm{hyp}}$Geometry around unramified CM pointsExceptional maps and abelian points in backward orbits

  5. 4日前

    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

    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 complete intersection in flag varietiesAlt's ProblemProducts in absolute Hodge cohomology and mixed Hodge formalityMinuscule Relations in Quantum $K$-Theory of Flag VarietiesOn intrinsic homological mirror symmetry for toric degenerationsDiagnosing Inconsistencies in 4d N=1 Gauge Theories with Explainable AI

  6. 9月18日

    motivesと多様体とスタック - 2026/9/18の論文27本

    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 inequality for semi-Pfaffian setsClassification of Automorphism Groups of Smooth Cubic Threefolds and FourfoldsOn the ACC for Minimal Log Discrepancies for Bounded Generalized Sub-PairsConductor-Discriminant Inequality for Tamely Ramified Cyclic Covers IThe Hurwitz existence problem in prime degreeConductor-Discriminant Inequality for Tamely Ramified Cyclic Covers IIThe Last Picard Rank 1 Double-Mirror Calabi-Yau Pair?Connecting families of curvesMorphism spaces on low degree hypersurfacesK-theory of Matroids and Monoid SchemesThe Serre--Hochschild plane of a finite-dimensional algebraRogers--Ramanujan identities from the geometry of $X^a=Y^b$Degree Growth of Iterates of Curves and Likely IntersectionsLogarithmic--exponential preparation in sharply o-minimal structures

  7. 9月17日

    曲線と不変量と変形と多様体 - 2026/9/17の論文31本

    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 exercisesDeformations of Canonical Bundle for Smooth Weakly K\"ahler MorphismsPedal Curves of a BicornOn curves with one place at infinityMonodromic Perverse Sheaves on Shifted Contact StacksSurfaces of general type with extremal cotangent dimensionBertini's theorem for $F$-rationality is falseRelative cone of curves and extremal contractions of a successive blowupBelyi's theorem: coverings, dessins, and fields of definition$\mathbb{Z}$-Torus Exteriors and Small Knot-Surgery Four-ManifoldsOn motivic cohomology of commutative C*-algebrasFlexible-body Modeling, Kinematic Identification, and Assembly Accuracy of Overconstrained Spatial LinkagesEffective Hecke eigenvalue equidistribution over the Atkin--Lehner subspacesOnly finitely many modular Jacobians are supersingular modulo a given primeGurtas Lefschetz Fibrations, Rational Blowdowns, and Exotic Symplectic Four-ManifoldsUnramified Geometric Iwasawa theory of function fieldsDensity functions for filtrations of graded idealsStable Trace Formula for Newton strata of Shimura varietiesOn a conjecture of Browning and Sawin on random hypersurfaces with sign coefficientsA uniform effective Andr\'e--Oort result

  8. 9月16日

    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

    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 fiberLocal obstructions to the surjectivity of spectral morphismsA new degenerated second main theorem for meromorphic mappings with hypersurfacesA Hodge module construction of relative Du Bois complexesJordan-H\"older theory for complementary polyhedra and moduli of parahoric Higgs torsorsGopakumar-Vafa invariants and Macdonald formula IIFundamental groups of proper algebraic stacks are finitely presentedConcise tensors with maximal symmetriesSmall degree isogenies between conjugate principally polarized superspecial abelian surfacesWhitney fold and cusp for algebraic surfaces, and singularities of discriminantsMinkowski Decompositions for Generic Infinitesimal Newton-Okounkov Bodies of Arbitrary-Degree External Tensor Products on Products of CurvesEquivariant Cohomological Crepant Resolution Conjecture for ADE-orbifoldsExtending Andreotti's proof of Torelli's theorem to nodal curvesChern bounds and tangent geometry of polarized Calabi-Yau threefoldsCanonical differential equations for Feynman integrals from $\mathcal{A}$-hypergeometric systems in the Schwinger representationStability of closed leaves holomorphic foliations via torsion behavior of groups of germsNumber fields as curves over $\mathbf{F}_1$Splice formulae for Poincar\'e series of integral homology spheresOn Strong Bi-Lipschitz Triviality of DeformationsFunctions on Nilpotent Orbit Covers and Birational Geometry

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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)

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