プレプリどんどん: math.AG

2:01:00

トーリック多様体と束と群の構造 - 2026/10/6の論文64本

プレプリどんどん: math.AG ·

2026/10/06

arXiv math.AGの新着論文64本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-10-06/Doubly isolated Batyrev mirror pairs and non-smoothable Calabi-Yau threefoldsFlasque resolutions of linear reductive group schemesStability of the Cotangent Bundle on Surfaces with Ample Canonical ClassFrom wall structures to closed mirror symmetry. The case of $K_{\mathbb{P}^2}$: Renormalized periods over the positive real locus, closed Gromov-Witten invariants from wall functions, and tropical

ja

1:03:17

安定性、鏡映、不変量 - 2026/10/5の論文32本

プレプリどんどん: math.AG ·

2026/10/05

arXiv math.AGの新着論文32本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-10-05/On deformations of foliated complex analytic structures II: Functors of Artin ringsOn wall-crossing invariant combinations of Welschinger numbers for rational surfaces with a conic bundleThe Mumford--Tate group of a very general Lagrangian fiberRegularization and algebraic stability of birational automorphismsSharp FRS and singularity thresholds for off-diagonal Gram mapsPappas's conjecture on

ja

1:23:55

MATH-AG - 2026/10/2の論文44本

プレプリどんどん: math.AG ·

2026/10/02

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/2026-10-02/Direct Group Laws on Classical Genus-One ModelsCategorical Torelli theorem for (weighted) hypersurfaces via singularity categoryCompleted cycle transfer and the conifold gap for (P^2, E)A characterization of the Ree curveAll Genus Gopakumar-Vafa Reconstruction from Central Difference ForcingPentagram relationsDerivative and multiplicity loci of elementary symmetric polynomials in positive

ja

1:01:41

多様体の構造と対称性の探求 - 2026/10/1の論文33本

プレプリどんどん: math.AG ·

2026/10/01

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/2026-10-01/Complex structures on $S^6$Zero velocity Lagrangians in the Hitchin systemIntrinsic mirror symmetry for orbifold cubic surfaces and the $A_1$ spherical DAHAFinite automorphism groups of hypersurfaces via Bott vanishingThe Bias Conjecture for One-Parameter, Non-Isotrivial Elliptic Curve FamiliesSupersingular Tate conjecture for irreducible symplectic varieties of known types: IDivisors and harmonic

ja

1:16:51

FanoとK3とモチフとコホモロジー - 2026/9/30の論文39本

プレプリどんどん: math.AG ·

2026/09/30

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/2026-09-30/Finite generation of relative log canonical algebras of semi-dlt pairsGlobal Sections and Birational Geometry of Calabi-Yau Type VarietiesRealizability of Cohomology Classes in Orthogonal GrassmanniansRigidity conditions for binomialsCalculating Hodge and weight filtrations on localizationsVanishing of degree $3$ unramified cohomology over finite fieldsMotivic classes of Fano schemes of lines on

ja

1:40:02

MATH-AG - 2026/9/29の論文50本

プレプリどんどん: math.AG ·

2026/09/29

arXiv math.AGの新着論文50本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-29/Recovering curves from isogeny classes of Prym varietiesA construction of polyptych lattices via a pair of Gorenstein PL conesRiemann-Roch for 0-cycles on a singular varietyThe moduli space of torsion-free sheaves with quasi-maximal third Chern classWeak positivity and weak flatness of vector bundlesLarge automorphism groups of curves of zero $p$-rank in odd characteristicLandau--Ginzburg mirror

ja

43:17

MATH-AG - 2026/9/28の論文22本

プレプリどんどん: math.AG ·

2026/09/28

arXiv math.AGの新着論文22本をご紹介します。番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-09-28/Moduli Spaces of Twisted Endomorphisms and Euler CharacteristicsThe geometry of solutions to the general sexticFourier-Mukai partners and autoequivalences of moduli spaces of vector bundlesSymmetry and solvability: Galois groups of equivariant enumerative problemsDemazure Models of Algebraic Tori in Dimension 4Cartier--Dieudonn\'e Theory of Connected Group SchemesThe norm principle for extended

ja

1:11:54

MATH-AG - 2026/9/25の論文40本

プレプリどんどん: math.AG ·

2026/09/25

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

ja

1:16:44

MATH-AG - 2026/9/24の論文39本

プレプリどんどん: math.AG ·

2026/09/24

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

ja

9:46

MATH-AG - 2026/9/23の論文29本

プレプリどんどん: math.AG ·

2026/09/23

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

ja

1:14:25

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

プレプリどんどん: math.AG ·

2026/09/22

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

ja

30:22

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

プレプリどんどん: math.AG ·

2026/09/21

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

ja

44:43

motivesと多様体とスタック - 2026/9/18の論文27本

プレプリどんどん: math.AG ·

2026/09/18

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

ja

54:06

曲線と不変量と変形と多様体 - 2026/9/17の論文31本

プレプリどんどん: math.AG ·

2026/09/17

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

ja

49:40

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

プレプリどんどん: math.AG ·

2026/09/16

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

ja

1:31:02

不変量と変形とモジュライ空間 - 2026/9/15の論文53本

プレプリどんどん: math.AG ·

2026/09/15

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

ja

48:29

特異点とミラー対称性と楕円曲線 - 2026/9/14の論文29本

プレプリどんどん: math.AG ·

2026/09/14

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

ja

44:25

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

プレプリどんどん: math.AG ·

2026/09/11

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

ja

59:54

不変量と多様体と表現の幾何学 - 2026/9/10の論文35本

プレプリどんどん: math.AG ·

2026/09/10

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

ja

2:01:32

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

プレプリどんどん: math.AG ·

2026/09/09

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

ja

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