プレプリどんどん: math.AG

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幾何と代数と不変量 - 2026/11/11の論文40本
Today 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/2026-11-11/

Waldschmidt constants and invariant geometry for exceptional rank-four complex reflection groupsReciprocal mirror map derivatives, euler-twisted Gromov-Witten invariants, and instanton counts via quantum Serre dualityThe Cayley-Bedregal reduction for Milnor and Hirzebruch-Milnor classesOn Poincar\'e-Type Inequalities for Flags of DistributionsUnimodal Singularities of Parametrized Space Curves$5I(K_X+\Delta)$ is very ample on stable log surfacesGromov-Witten Nonvanishing and Symplectic Deformations of Toric VarietiesA cyclotomic Artin-Tate formula and sphere packing for K3 surfacesEssential $p$-dimension of simple algebras and noncrossed products of prime exponentNon-abelian $p$-adic Hodge theory and stacksOn Algebraic LNE mode...


幾何学と対称性とコホモロジーの探求 - 2026/11/10の論文46本
Yesterday at 5:00 AM

arXiv math.AGの新着論文46本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-11-10/

Finite Subgroups of Birational Automorphism Groups of Severi--Brauer SurfacesOn deformations of foliated complex analytic structures IV-1: Obstructed and unobstructed foliated deformationsAdaptive visualization for enumerative problemsAutomorphisms of Kummer and Artin-Schreier curves defined by Chebyshev polynomialsMetric nefness of direct image sheaves under weakly semi-stable K\"ahler morphismsBirational Geometry of K-Moduli Spaces of Genus Four CurvesExtendability of general prime $K3$ surfaces without Gaussian maps and classification of prime Fano threefoldsThe moduli stack of affine bundles with fixed linearisation typeUnramified case of Colliot-Th\'el\`ene conjecture on quadratic formsA Lefschetz Alternative for Real...


束と曲線と予想と構造 - 2026/11/9の論文19本
Last Monday at 5:00 AM

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/2026-11-09/

An Explicit Equation for the $\mathrm{SL}_2(\mathbb{C})$ Character Variety of $\mathbb{RP}^2 \# \mathbb{RP}^2 \# \mathbb{RP}^2$Special line bundles on tetragonal curvesMulti-monopoles and monodromy around the wobbly divisorGalois lines for the maximal curve with the second largest genus in characteristic twoA counterexample to Manin's Conjecture for almost Fano varietiesThe splitting type of jet bundles on the projective lineCuspidal sections for varieties of arbitrary dimensionCentres and semisimple deformations of contraction algebrasThe Woo-Yong conjectureDominant root sequences of arbitrary degreeOne complex metric and geometric adelic nefnessTetragonal conic bundlesFujita...


シンプトティック相とトング不変量とRMコード - 2026/11/6の論文26本
Last Friday at 5:00 AM

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/2026-11-06/

Tangle Invariants Valued in Derived Categories of Sheaves and the Rouquier ComplexThe odd biisotropic symplectic Grassmannian $\operatorname{S_2Gr}(3,7)$Isospectral Deformations of Diagonal Matrices by Symmetric Matrices in Dimension FourValues of differentials of plane branches: block decomposition and semirootsBrauer groups of generalised Markoff surfacesThe Chow ring of a wonderful compactificationBernstein-Sato polynomials of generic Pfaffian idealsFermat quotients with CM Jacobians and trivial automorphism groupTorsion points in families of elliptic curvesButler's conjecture for K3 curvesKappa Classes on the KSBA Space of Stable Toric PairsRamification of Weighted Central Paths and Super-linear Interio...


多様体と作用素の解析 - 2026/11/5の論文29本
Last Thursday 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/2026-11-05/

On Fujita's Advanced Generalized Mukai ConjectureA motivic Vojta inequality for non-CM elliptic curves with unbounded heightEquivariant elliptic cohomology via loop spacesOn rational curves relative to a divisorCategorical Torelli and Fourier-Mukai partners of hypersurfacesThe integral Chow rings of $\mathcal A_3$ and $\mathcal M_3$Capelli Operators and the Bernstein-Sato polynomials of MinorsOdd and even fake quadrics isogenous to a productPCF All The Way DownA general L\^e--Siersma formulaPointless K3 surfaces over finite fieldsOn the proof of multi-variable $n/d$-conjecture for hyperplane arrangementsThe super Weil-Petersson asymptotic expansion and the coefficientsOn the g...


特異点と多様体と代数構造 - 2026/11/4の論文34本
11/04/2026

arXiv math.AGの新着論文34本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-11-04/

Seshadri constants of singular loci of line arrangements with at most twelve linesMin-plus Bruhat decompositionD-equivalence conjecture for hyperk\"ahler varieties of generalized Kummer typeGlobal vector fields and the automorphism group of regular semisimple Hessenberg varietiesAdmissible extremal rays and the anticanonical minimal model programA Bubble Compactification of KSBA Moduli Space of Surfaces of General TypeConjecture B for $X_{10}$ and its genus-two mirrorCanonical Projectivization of Algebraic Varieties in Characteristic ZeroAlgebraicity, Hodge Gradings, and the Geometry of Period ImagesFat base schemes and unexpected hypersurfaces of type $(d+k,d)$K3 Categories and Mukai Homomorph...


ホッジ幾何とモジュライ空間の構造 - 2026/11/3の論文50本
11/03/2026

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/2026-11-03/

On potential density of rational points on hyperkahler varietiesStable compatibility for model categoriesRegions of totally real arrangements of rational curvesFrom MHV Gravity Amplitudes and Hodges map to Pentad VarietiesGalois Actions on Energy-Harmonic FunctionsOn motivic multiplicativity of cyclic coversSecant dimensions and bilinear decomposition widths for finite Heisenberg groupsSeshadri functions on surfacesHodge theory and topology of Bogomolov--Guan manifoldsGromov-Witten theory of the local model of the standard flopArtinian reduction applied to the Largest Intersection ProblemTopological transcendence degree and the dimension problem for perfectoid spacesThe classification of Fano contact manifolds revisitedDu Bois coh...


モティフと幾何学の構造解析 - 2026/11/2の論文28本
11/02/2026

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/2026-11-02/

Tate and Artin--Tate Motivic Tensor-Triangular GeometryIntegral Hodge structures and atoms of fourfoldsTruncated Grassmannians: polytopes, representations, and Cauchy formulasUniformization of compact K\"ahler Threefolds of Zero Kodaira DimensionHyperelliptic curves on $(1,d)$ abelian surfaces for $d\leq 15$Rational curves of submaximal quantum indexAn atomic approach to Shokurov's conic-bundle conjectureOdd-Degree Rigidity and a Numerical Characterization of Complete Flag VarietiesSemipositivity and complete subvarieties of projectivised strata of holomorphic differentialsDisconnectedness of stability manifolds and their geometric loci, and separation of braid orbits of semiorthogonal decompositionsTropicalization and Polyhedral Completions of Weyl AlgebrasExtended Tropical Charact...


特殊多様体と代数構造 - 2026/10/30の論文63本
10/30/2026

arXiv math.AGの新着論文63本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-10-30/

Maximal Curves with Few AutomorphismsSpectrahedral relaxations and tightenings of rigidly convex setsCalabi-Yau HyperbolicityPointed Hurwitz--Brill--Noether theoryA curve of genus $2$ over $\mathbb{C}(t)$ and hexads of bitangents to a smooth quarticThe Miyaoka-Yau inequality and the delta invariant for Fano varieties II -soliton case-Asymptotic distributions of the Betti and Hodge numbers of $\overline{\mathcal M}_{g,n}$Geometry of $m$-direct-sum morphismsSpecial cycles and Picard groups of Baily--Borel compactificationsStability conditions on Calabi-Yau threefolds of type KOn the Witt liftability of quasi-F-split Calabi--Yau varietiesSheaves on quoric manifoldsOn the motivic approach to the Abhyankar...


構造的幾何学と安定性理論 - 2026/10/28の論文48本
10/28/2026

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 $\mathrm{K_0}$ GroupsK3 surfaces with finite automorphism group in positive characteristicMotivic $C_p$-power operations in $\mathrm{MGL}$A vanishing-cycle obstruction to smoothing Calabi-Yau threefoldsNonvanishing implies abundanceThere are no unexpected toric positroid varietiesSmoothing Calabi-Yau threefolds with nodes and del Pezzo cone pointsFinite Symplectic Automorphisms of Hyperk\"ahler Manifolds of $K3^{[n]}$-Type Act Trivially on Discriminant GroupsParametrized Jacobian Problem over $\mathbb{C}^n$ and its Complete ResolutionGeometric priors for single-patch neural Calabi--Yau metrics on the quin...


ホッジとWeilとスキームの構造 - 2026/10/27の論文48本
10/27/2026

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/2026-10-27/

Automorphisms and Hodge isometries of surfaces with $K^2=p_g=1$GKZ Systems and Gauss-Manin Connections of Families of Projective HypersurfacesMovable Curves and Ample Normal BundlesBrauer--Manin obstruction for Weil restrictionsUniform asymptotics and the Weil--Petersson constantExplicit equations of three pairs of fake projective planesGlobal invertibility of polynomial mappings and connectedness of preimages of large spheresThe generalized Dixmier conjecture and the two-dimensional Jacobian conjectureDelta Characters and Ranks of Minimal Subisocrystals of Abelian SchemesHodge--Deligne polynomials and $S_n$-representations on the cohomology of $\overline{\mathcal M}_{2,n}$Fine points of the moduli space of cubic ra...


Calabi-Yauと完璧体とスペクトル曲線 - 2026/10/26の論文26本
10/26/2026

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/2026-10-26/

On the Hodge conjecture for hyper-K\"ahler varieties of generalized Kummer type of dimension divisible by fourChern-Schwartz-MacPherson classes of symmetric powers and applicationsComparison of Logarithmic Hochschild HomologiesKashiwara's Lemma for Potent D-modulesTropical cohomology for band schemes over the tropical hyperfieldOn polarizations of affine Calabi--Yau varietiesPower Sum Varieties over Finite FieldsMotivic local density of isolated singularities of algebraic varietiesReflection groups on smooth projective threefoldsJacobian layers and higher Milnor sequences: rigidity, stabilization, and log-concavityDeformations of cohomology classes and spectral sequencesOn quasi-Albanese morphisms for log canonical Calabi-Yau pairs II$G_0$ of complete split toric variet...


幾何学的構造と代数解析 - 2026/10/23の論文30本
10/23/2026

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/2026-10-23/

Denominators of Hodge integrals and Minkowski numbersRelative Hitchin fibrations and endoscopy for Unitary Friedberg--Jacquet varietiesAsymptotics of local height pairing without Hodge conjectureThe dual complex and RC-invariant functorsObstructions to deforming space curves lying on a complete intersection of quadricsUniformity of the minimal exponent on the GIT boundary of projective hypersurfacesThird-Order Weierstrass Points on Plane QuarticsThe classification of smooth 3-fold flopsThe taming of 3-fold flopsGamma conjectures for Milnor hypersurfacesPositivity of supercritical LYZ pairsThree-dimensional noncommutative Fano minifoldsLog blow-ups and global resolutions in rigid geometryCohomology of integral structure sheaves for open varietiesThe Penrose...


A判別式と接続と反例 - 2026/10/22の論文20本
10/22/2026

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/2026-10-22/

Closedness of bounded strength and partition rank lociThe Logarithmic A-DiscriminantModuli spaces of logarithmic connections associated with difference Painlev\'e equations of type $E^{(1)}_n$Derived categories of threefolds near the Noether lineGermwise singular Fourier--Mukai partnershipsLax descent and foliated Verdier dualityOn the gap of thresholdsThe recent counterexamples to the Eisenbud-Schreyer-Weyman Ulrich problem (2003) and to Hochster's small Cohen-Macaulay conjecture (1973): a survey, with a generalization to arbitrary dimensionOn OpenAI's proof of the Nagata conjectureAlternative moduli of twisted curvesPontryagin-Thom, $\pi_0$ of the motivic sphere, and principal quadratic divisorsOn the gradient conjecture at infinity: F...


スタックとホッジ理論とモジュライ - 2026/10/21の論文31本
10/21/2026

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/2026-10-21/

The integral $K_0$-ring of the stack of smooth hyperelliptic curvesHodge Theory of Novikov Type Landau--Ginzburg ModelsSecondary Chow Invariants beyond Lawson--Massey ProductsTerracini loci of tangential varieties of VeroneseansNef complexity of klt Fano varieties: the full spectrum and classification below twoLattice Moduli and Residual AtomsThe $m=2$ amplituhedron is a positive geometryRational analytic prismatizationMass Deformations and Sheets in Logahoric Higgs ModuliClassification of SNC $(p,k)$-planes with Hodge structures of K3 typeHarder-Narasimhan Filtrations of Hyperquiver RepresentationsReal Nullstellensatz for nilpotent Lie algebrasDivisors on regular Hessenberg varieties for h=(2,3,4,...,n,n) associated to lower...


特異点とモジュライ空間とモチーフ - 2026/10/20の論文66本
10/20/2026

arXiv math.AGの新着論文66本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-10-20/

Invariants of big classes from asymptotic total Betti numbersCodimension of Brill-Noether Loci on Abelian Surfaces and the First Segre InvariantThe Yau Geometric Conjecture for Isolated Hypersurface SingularitiesDerived equivalences and isogenies of supersingular abelian varietiesOn the classification of threefold flopsAlp\"oge's counterexample to the JC, Economic Stabilization, and Zhao's Vanishing ConjectureWeighted homogeneous surface singularities admitting rational homology disk smoothingsThe section conjecture for generic pointed curvesThe genus of a curve on Calabi-Yau threefoldsNon-existence of Negative Weight Derivations of the Moduli Algebras of Isolated Weighted Homogeneous Hypersurface SingularitiesFinite Symplectic Automor...


構造とコホモロジーと不変量の研究 - 2026/10/19の論文30本
10/19/2026

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/2026-10-19/

Computing S(X) for Ruled Surfaces Defined by Stable Bundles on Curves of Genus 2Generic vanishing for Dolbeault cohomology of mixed Hodge modules on abelian varietiesVector bundles on singular surfaces and threefoldsHypercube Richardson varieties from magic words$a$-numbers of covers in characteristic two: semigroups and Riemann-Roch spaces$R$-trivial Galois cohomology classes and cohomological $p$-dimensionLow-weight compactly supported cohomology of $\mathcal M_{g,n}^{ct}$ and the extended Torelli morphismThe geometric exceptional set for Fano threefoldsSeven ordered points and the nonexistence of arithmetic ball quotient compactificationsWeighte...


複雑な多様体と代数的な構造 - 2026/10/16の論文38本
10/16/2026

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/2026-10-16/

Nilpotent Deformation Theory via Ultrasolid AlgebraLinear Independence of Polynomial Compositions with Bounded Input DegreeNormal complex surface singularities with rational homology disk smoothingsA $p$-adic Riemann--Hilbert correspondence over Robba ringsPositivity of Wahl defects and representations from index-one coversNonlinear neighborhoods of smooth curves and arbitrarily negative Wahl defectsA refinement of the strange duality conjecture on K3 surfacesFundamental Groups and Coregularity: Klt Pairs with Trivial and Nef Log-Anticanonical ClassGood stratifications of non-degenerate locally tame complete intersection varietiesComplete homogeneous varieties over a fieldQuotients of Calabi-Yau Generalized Fermat manifolds and Log Enriques varietiesThe linear p...


多様体と束とトポロジーと数論 - 2026/10/15の論文27本
10/15/2026

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/2026-10-15/

Reversible Higgs BundlesRemarks on Lattice Actions Corresponding to Automorphism Groups of Smooth Cubic FourfoldsOn the Arnold corank, the Zariski multiplicity, and the tangent Milnor fiber problemsBirational maps of moduli spaces of stable sheaves on a K3 surface induced by Fourier-Mukai transformsFourier-Mukai transforms by a family of stable sheaves and preservation of stabilityAlgebraically Integrable Smooth Convex BodiesMaximum Likelihood Degrees via One-Edge Chordal CompletionThe regular inverse Galois problem over fields avoiding a curveThe volume of foliated surfaces with geometric genus oneOn deformations of foliated complex analytic structures III: UnfoldingsOn the Topol...


構造と不変量とスペクトラ解析 - 2026/10/14の論文86本
10/14/2026

arXiv math.AGの新着論文86本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-10-14/

Cominuscule Richardson varietiesGeneralized Bogomolov--Gieseker inequalities via FrobeniusSeparating components of real algebraic varieties by cohomological invariantsIrrational families of Fano weighted complete intersection fourfoldsRemarks on the monodromy conjecture for symmetric determinantal hypersurfacesLifting Prym Divisors on a Bielliptic Loop of LoopsFrobenius liftability of isolated complete intersectionsDegree growth of rational and meromorphic self-mapsCohomology ring of the strata of holomorphic differentials of genus 3Two-Dimensional Torus Action on the Quadric Threefold and GW-DT-GV CorrespondenceModuli descriptions of v-sheaf local modelsGeometric and homological interpretations of tensor flattenings$\ell$-Independence, slopes, and weights of $\ell$-adic cohomology groups of ri...


曲線と集合と形式と剛性 - 2026/10/12の論文24本
10/12/2026

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/2026-10-12/

Nef Hattori classes and products of projective lines$G$-Equivariant Hilbert Schemes and Quadratic FormsAlgebraic Vector Bundles on Cluster VarietiesNormal bundles of hyperelliptic curves and uniform propagation of semistabilityA Comparison Theorem for $p$-adic GKZ Hypergeometric $\mathcal D$-Modules and ComplexesCovering plane curves over finite fields with linesBoundedness of polarized log Calabi-Yau fibrationsClassification of can-Var diagrams of mixed Hodge structures and monodromic mixed Hodge modules on $\mathbb{C}$Artin-Schreier curves of prescribed p-rank without extra automorphismsGeometry of some determinantal arrangementsGamma conjecture II and explicit Stokes data for a quadric projective b...


カルビ・ヤウとハイパーケーラーとクィバーの構造 - 2026/10/9の論文40本
10/09/2026

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/2026-10-09/

Embeddings of Derived Categories of Moduli Spaces into Symmetric PowersK-Moduli Wall Crossing and Automorphic Forms for the Moduli Space of Rational Elliptic SurfacesK-moduli wall crossing for quasimaps to a projective varietyEqual-mass sunset integrals and genus-zero local Gromov--Witten theory of Calabi--Yau $n$-foldsEffective syzygies of secant varietiesAn explicit tame factorization of the four-variable Anick automorphismA Proof of Mongardi's Conjecture on Finite Symplectic Group Actions on Hyperk\"ahler Manifolds of $K3^{[n]}$ TypeToric flatness IHelly Numbers for Connected Reductive Groups and Splitting of Toric Principal BundlesInjectivity of specialization maps in critical coh...


Calabi-YauとFanoと予想の探求 - 2026/10/8の論文33本
10/08/2026

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/2026-10-08/

The logarithmic generalised Kummer locus and its tropicalisationOn the conjectural Hodge index theorem for finite quotient spaces of singular varietiesCounterexamples to the Ambro--Kawamata effective non-vanishing conjectureDolbeault Cohomology Growth under Curvature Rank BoundsThe finite-degree profile of essential dimension II: cyclic $p$-groups in characteristic $p$Projective Lifting Theorem, Complex Reflection Groups, and Quasi-Galois Points for Fermat VarietiesAnticanonical Volumes of Terminal and Canonical Gorenstein Fano FourfoldsConstruction of log Calabi--Yau boundaries from int-amplified endomorphismsEffective nonvanishing of $K$-trivial regular surfaces over imperfect fieldsRational points and inflexions on Hermitian-relative curvesMotivic Euler...


密度と分類の理論的考察 - 2026/10/7の論文31本
10/07/2026

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/2026-10-07/

A toric Calabi-Yau counterexample to Schimpf's connected stable pairs pole conjectureDeformations of toric pairs and the smoothing of Batyrev Calabi-Yau threefoldsDeterminacy and Modality in Positive CharacteristicSchubert compactifications of matrix pencilsAlgebraic ellipticity of quartic double spacesPotential density of rational points on sextic double solidsThe finite-degree profile of essential dimension I: general theory and characteristic prime to $|G|$Indexed Logarithmic Cartier TransformSemisimplicity, purity and Mumford-Tate conjecture for hyper-K\"ahler varietiesSemiample perturbations over arbitrary fieldsHodge--Tjurina Numbers, Tjurina Spectra, and Thom--Sebastiani FormulasOn constructibility of klt type varieties and simple $D$-moduleSpecial Loci in the M...


トーリック多様体と束と群の構造 - 2026/10/6の論文64本
10/06/2026

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 enumerationThe topology of K\"ahler manifolds and 1-forms without zerosCore Coordinates and Negative Support in A-Hypergeometric SystemsZero loci of Bernstein-Sato ideals are not necessarily linearOn leading Gopakumar--Vafa invariants of local $\mathbb{P}^2$ and leading Betti numbers of moduli sp...


安定性、鏡映、不変量 - 2026/10/5の論文32本
10/05/2026

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 ramified unitary local modelsSharp Noether-type inequalities for $3$-folds of intermediate Kodaira dimensionsGrothendieck ring of varieties and at-the-characteristic numerical invariantsArakelov inequalities for fibered surfaces in positive characteristicCategorical Dynamics of Abelian VarietiesExtension of solvable coverings across horizontal divisors over the integersCanonical ex...


Conifoldとモジュライとホッジとフロベニウス - 2026/10/2の論文44本
10/02/2026

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 characteristicContraction Algebras, Cyclotomic Forms, and Reflection RigidityMotivic Vanishing Cycles at Infinity and Toric Landau-Ginzburg Mirror SymmetryTranscending Algebraic GeometryA Pluripotential-Theoretic Approach to Finiteness of Polarized Calabi--Yau ManifoldsStratification of Joint Moduli Spaces of Higgs BundlesSupermoduli spaces are non-projected in every genus $g\geq 3$Automorphisms of...


多様体の構造と対称性の探求 - 2026/10/1の論文33本
10/01/2026

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/2026-10-01/

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 morphisms on metric Graphs of pseudocompact typeOn algebraic dynamics of birational automorphisms of Calabi-Yau manifolds and the universal Coxeter groupsQuasi-Projectivity of Weighted Right-Angled Artin GroupsCanonical representatives and interval independence in Ekedahl's equivalenceNormal Bundle Splitting Strata of Rational Curves in Toric VarietiesQ...


FanoとK3とモチフとコホモロジー - 2026/9/30の論文39本
09/30/2026

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 intersections of two quadricsThe $F$-signature Function on the Big ConeFailure of semipositive metric extension in a smooth projective familyFiniteness of the Chow ring of $\mathcal{M}_{5,10}$Nonexistence of maximal curves of genus five over $\F_{64}$From $3$-spin to Negative $r$-spin: Limits of...


モジュライ空間とカラビ・ヤウと特異点 - 2026/9/29の論文50本
09/29/2026

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 symmetry for ADE singularitiesEquivariant principal bundles over toric Deligne--Mumford stacksCoordinate descents, monodromy, and finite normalization of marked-root mapsOn the algebraicity of non-abelian Noether-Lefschetz loci of rank-two real local systemsA generalized Terao Conjecture for line arrangements...


モジュライ空間と層と群スキーム - 2026/9/28の論文22本
09/28/2026

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 Clifford groupsSpecial Cohen--Macaulay sheaves on partial resolutions of rational surfaces singularitiesOn the support of double Grothendieck polynomialsNon-vanishing of the structure-sheaf cohomology of affine henselian schemes and henselian affinoidsUniversal Formulas for de Jonqui\`eres Loci and Equivariant Contact ProblemsOn the tra...


トーリックとモジュライとミラー対称性 - 2026/9/25の論文40本
09/25/2026

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...


ホッジ理論とベクトル束と多様体 - 2026/9/24の論文39本
09/24/2026

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...


モジュライとホッジ理論とカラビヤウ - 2026/9/23の論文29本
09/23/2026

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/2026-09-23/

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
09/22/2026

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
09/21/2026

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/2026-09-21/

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...