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多様体と束と特異点と変形 - 2026/8/12の論文17本
Yesterday 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/2026-08-12/
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
Last Tuesday at 5:00 AM
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
Last Monday at 5:00 AM
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
Last Friday at 5:00 AM
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コホモロジーと多様体と数論的性質 - 2026/7/30の論文15本
07/30/2026
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/2026-07-30/
A Riemann-Roch theorem for Frobenius quotientsAlgebraic vs. analytic: a surveyHigher dimensional dominoes in de Rham-Witt cohomologyTwelve common flex lines in a general pencil of cubicsAn atomic criterion for irrationality without quantum computationsImage Recognition via Vaisman--Neifeld's GeometryOn the Betti numbers, Poincar\'e polynomials, and Euler characteristics of $\overline{\mathcal M}_{0,n}$Fundamental group schemes of globally F-regular varietiesA non-holomorphic P=W phenomenonSplitting Brauer classes by genus one curves over number fieldsRemoving the Torsion-free Hypothesis in a Positivity Theorem on Deligne-Mumford StacksThe finite degree formula for normalized volumesOn the boundedness o...ケーラーMMPと特異点と多様体 - 2026/7/29の論文15本
07/29/2026
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/2026-07-29/
On the K\"ahler MMP and the transcendental base-point-free theoremA counterexample to a conjecture of Duncan on versal actionsThe Miyaoka-Yau inequality and the delta invariant for Fano varietiesAnalytic Bertini theorem II --- The local caseA smooth projective counterexample to Bondal-Polishchuk's conjectureCategorical absorptions of cone singularitiesType A Nilpotent Hessenberg varieties with Hessenberg function $h(i)\le i+1$Instanton slices and their superpolynomialsA Hodge Theoretic Generalization of $\mathbb{Q}$-Homology Manifolds II: Local Complete IntersectionsThe Cautis-Logvinenko conjectureDiagonal cycles on Shtukas and the adjoint $L$-functionCalabi-Yau Deformation QuantizationMany-point tropical relaxa...自己同型とモジュライとホッジ構造 - 2026/7/28の論文23本
07/28/2026
arXiv math.AGの新着論文23本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-28/
Corrigendum to "Nonsymplectic automorphisms of prime order on O'Grady's sixfolds"K-theory of Weighted BlowupsDe Rham-Betti Groups of Some Abelian FourfoldsUnramified Motivic Multiple Mixed ValuesSylow Criteria for Liftability of Automorphism Groups of Smooth HypersurfacesActions of $(\mathbb{Z}/4)^4$ on rationally connected threefoldsThe Chow Characteristic Image of \(\Spin(10)\) via the Affine Cone over the Spinor VarietyProjective moduli of log Calabi--Yau fibrations over curvesStratified motivic invariants and bivariate deformations of Poincar\'e polynomialsBiangular lines with angles arccos(1/5) and arccos(3/5)Roots of Bernstein-Sato polynomials for projective hypersurfaces with ordinary double pointsFrom Regions to Hodge Str...行列因子分解と弾性テンソルと射影空間 - 2026/7/27の論文9本
07/27/2026
arXiv math.AGの新着論文9本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-27/
A topological Chern character for matrix factorizationsRank-one convexity, polyconvexity, and extremality for three-dimensional elasticity tensors in various symmetry classesCritical loci of self-maps of projective spaceModuli of atoms of complex projective varietiesBase-change of locally stable families in positive characteristicIncidence equivalence, a surveyUlrich sheaves and determinantal representations for higher secant varieties of curvesGeneralizations of the Scorza correspondenceA five-variable counterexample to the Hessian conjecture, and the low-dimensional status of the Jacobian and Hessian conjecturesヤコビアンと高さとホッジ形式 - 2026/7/24の論文15本
07/24/2026
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/2026-07-24/
Group Chunks in Model Theory and Algebraic GeometryPrescribed extension spectra of mock automorphisms over finite fieldsAbsolute minimum of a height associated to a semipositive adelic line bundleAn Explicit Characteristic-$2$ Counterexample to the Separable Jacobian ConjectureGeneric ordinarity for abelian coverings of the projective lineQuantum index, Arnold-Rokhlin surfaces, and real enumerative geometryNew conjectures on multiplicities of tensor eigenvaluesThe restricted Hitchin map of wobbly vector bundlesGeneric degrees of real polynomial Keller maps with non-dense imageOn mappings with Jacobian oneThe Independence-Preserving Property and Planar Web GeometryTwistedMerge: Certified Higher-Order Diagnostics and Abstention for Model M...ヤコビアンとグラスマン多様体と曲線 - 2026/7/23の論文15本
07/23/2026
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/2026-07-23/
On arrangements of plane real quartics with respect to three linesMaximum Likelihood Estimation on the Grassmannian of LinesDerived representation schemes with arbitrary coefficients and associative smoothnessNumerically trivial automorphisms of elliptic surfaces III: the non-algebraic caseN{\'e}ron models of G\_mLipschitz embeddings of algebraic curvesConnected components of real loci in moduli spaces of vector and Higgs bundles over a Klein surfaceGraded Keller maps and the Jacobian ConjectureOn the global and local geometry of quasi-$F$-split varieties with trivial canonical bundleEffective characterization of semi-abelian varietiesAutomorphism groups of curves...特異点とモジュライ空間とホッジ類 - 2026/7/22の論文30本
07/22/2026
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/2026-07-22/
Picard groups and composition nilpotence for finite cellular isotropic spectraHyperk\"ahler sixfolds, abelian fourfolds of Weil type and a Hodge classObstructions to embedding singular curves in toric varietiesFoliations with small singular set in arbitrary characteristicNon-liftable varieties via etale cohomology ringsHomological rigidity and Schur rigidity of Schubert varieties in rational homogeneous spacesOn the Toda hierarchy for the stationary theory of the tube with negative contact ordersSemipositivity of the orbifold second Chern class in Fujiki's classThe modulo eight behavior of common factors of two hypergeometric polynomials arising from a genus three heperellipt...層と多様体とモジュライ空間 - 2026/7/21の論文32本
07/21/2026
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/2026-07-21/
$0$-cycles and sheaves on abelian surfacesFields of Moduli of Smooth Cubic SurfacesFinite Group Reduction of the DR/DZ HierarchiesNon-general type surfaces in P4, an updateExplicit LCP of MDS Codes and LCD Codes on Hyperelliptic Curves via Mumford RepresentationCharacteristic cycles of constructible sheaves and microlocalizationExpressivity of Shallow Neural Networks Over Finite FieldsRegions represented as foliated forms and natural smooth maps onto themTorsors over the universal Jacobian over $\mathcal{M}_g$The Miracle of Flatness in Algebraic GeometryCoincident Poisson structures on principal-bundle moduli spacesThe Springer Geometry of Specht Polynomials and Schubert cyc...アメーバと曲線とモジュライと有理点 - 2026/7/20の論文14本
07/20/2026
arXiv math.AGの新着論文14本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-20/
Contour Degree of Amoebas of Complete IntersectionsSparse Bounds for Amoeba ContoursOrder and Pascal depth of Pascal finite automorphisms of the planeTropicalizing polynomial strataExplicit Formulas for $\mu$-Bases of Planar Rational Quartic CurvesCurves with a large automorphism group admitting a cyclic subgroup of index $2$What are the odds that a conic bundle over a finite field is rational?Moduli of conic surfaces over the lineDegenerations of multisingularities and Artin algebrasOn complete intersection projective closures of monomial curvesFiniteness of the Tate-Shafarevich group over function fields for groups of multiplicative typeLusztig's...コホモロジーと層とモジュライ空間 - 2026/7/17の論文20本
07/17/2026
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/2026-07-17/
A Proof of Coherent Duality via Techniques from Condensed MathematicsSheaves for spacetimes: a surveyKoszul Duality for Coherent SheavesContou-Carr\`ere symbol, Deligne pairing and quintetsTopological reconstruction theorems over uncountable algebraically closed fieldsFormality for rigid-analytic spaces satisfying the weight-monodromy conjectureConnections on Associative VarietiesTautological systems and local cohomologyA Bogomolov type vanishing theoremSubstitution and quotient of the isotropy group actionZeros of one-forms and the topology of algebraic mapsOn the geometry of Coulomb branchesModuli spaces of snc klt KSBA stable pairs are naturally of log general typeRigidity of multisections to the universal cubic plane curveIn M...代数曲面とホッジ対応とマトロイド - 2026/7/16の論文12本
07/16/2026
arXiv math.AGの新着論文12本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-16/
Composition of Sarkisov links between del Pezzo surfacesEuclidean Distance Degrees in Macaulay2On the $K$-theoretic logarithmic double ramification classA complete curve of genus 105 in the moduli space of curves of genus 3Non-cancellative varieties, maximal tori, and the Makar-Limanov invariantOn Milnor and Tjurina numbers of Pairs of Holomorphic Functions GermsOn the Feyzbakhsh-Thomas programme for Fano $3$-foldsOpen surfaces with a triangle at infinitySmashing, Balmer, Zariski spectra: an ideal approachNonlinear Hodge correspondence for morphismsMatroid correspondenceWhat are symmetric monoidal categories?モジュライ空間とホッジ理論と多様体 - 2026/7/15の論文19本
07/15/2026
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/2026-07-15/
Obstructions to the existence of good moduli spaces of $A_r$-stable curvesLipschitzSaturation: A Macaulay2 Package for Computing Lipschitz Saturations of Modules and Toric VarietiesAutomorphism groups of rigid complete intersectionsTopology of Galois conjugate character varietiesRecursive Formula for the Equations of Hessenberg VarietiesMeromorphic Group Actions and the Support Theorem for Lagrangian FibrationsEuler Characteristics of Generic Quiver Grassmannians: Semi-Invariants and LocalizationOn the invariance of irregular Hodge numbers under crepant birational equivalencesIsomorphism classes of multi Danielewski varietiesNegative $K$-theory and Hodge theoryInfinitesimal invariants of genus 4 curves and the Griffiths-Pirola cycleMetrics on t...多様体と群とスキームの構造 - 2026/7/14の論文30本
07/14/2026
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/2026-07-14/
$p$-elementary non-cyclic subgroups of the Cremona group of the planeNon-trivial Odd Dimensional Equivariant Cohomology of Torus Orbits of Generic Points in $gr(2,k)$Duals of log abelian varietiesAutomorphisms of a $(24_4, 32_3)$-configuration on the Schur quarticReconstruction of Formal Schemes from Categories of Nuclear ModulesNonrationality Degree of Toric QuasifoldsHolomorphic symplectic geometry of elliptic surfacesStability of syzygy bundles on certain Picard rank one varietiesM-modulesBased maps to Lagrangian Grassmannians, Quivers, and Bott PeriodicityLimiting Hodge Structures for Cubic Hypersurfaces of Secant Type4x4 Matrix Representation of Hybrid Numbers, Gram Matrix and Golden RatioCollinearl...ヒルベルトスキームとコホモロジーと多様体 - 2026/7/13の論文18本
07/13/2026
arXiv math.AGの新着論文18本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-13/
Hilbert schemes of points on canonical surfacesAsymptotic Cohomological Functions and Volumes on Proper SchemesOn the Jung-van der Kulk decomposition into Pascal finite factorsA note on numerical symmetry of the product-zero varietyInaccessibility of the flat topologyFormal Abel relations for curves in characteristic $p$Correspondences for hyperk\"ahler varieties with large Picard numbersOn The Morel Structure ConjectureA diagrammatic field theory of quantum error correctionFactoring maps to big Cohen-Macaulay algebras through blowups$S_r$ properties of generalized Cohen--Macaulay modules and rings having liftable local cohomology via Serre depthRemarks on a theorem of Silverman...モジュライ空間とベクトル束と代数群 - 2026/7/10の論文11本
07/10/2026
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/2026-07-10/
On the rational cohomology of moduli spaces of Prym curvesAlgebraizability of Vector Bundles over Real Algebraic VarietiesA $(24_4,32_3)$-configuration on the Schur quartic with logarithmic Chern slope $14/5$A technique for computing oriented cohomology rings of semisimple algebraic groupsComplex curves in o-minimal geometryTubular Neighbourhoods of Pfaffian Sets and Applications to Neural NetworksA counterexample to Purdy's inequality for hyperplane arrangements in projective three-spaceTorsion-stabilized modular curves of level $p$Waring Problem for matrices over finite local ringsOn cube and Cremona rigidity for higher-rank latticesReduction modulo p of crystalline Galois representations via {\mu}_p-equ鏡像対称性とモジュライ空間とp進解析 - 2026/7/9の論文18本
07/09/2026
arXiv math.AGの新着論文18本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-09/
The Algebraic Montgomery-Yang ProblemDivisorial Persistence and Asymptotic Homology of Analytic PairsArithmetic of Gysin kernelsOn the Chow ring of very general abelian varieties and a question of PirolaDescendability and descent in topological weavesSchanuel Integration and Euler Characteristic of Semi-algebraic SetsInvolution-equivariant topological recursion and mirror symmetry for the affine binary dihedral Calabi--Yau threefoldThe Knop-Luna-Vust theory of spherical embeddings, extended to non-reductive groupsThe hyper-Kummer constructionPoisson K-stability and generalized K\"ahler structures of constant scalar curvatureOn $\eta$-periodic Formal Ternary LawsSchwarz maps for modular curvesGlobal geometrization of local smooth integral models in the Hitchin...ベクトル束と壁越えとモジュライ空間 - 2026/7/8の論文25本
07/08/2026
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/2026-07-08/
Vector Bundles on Rational Topologically Contractible Affine ThreefoldsDerived operadic centers in algebraic geometry and deformation quantizationVirtual Jeffrey--Kirwan localisationAlgebraic Geometry of Electroid VarietiesHomology fiber bundles of varieties, that are not topological fiber bundlesWall-crossing for Hilbert schemesOn the Generalized Arithmetic Picard--Lefschetz FormulaTangent classes of matroids and wonderful compactificationsSingular fibers of elliptic fibrations on normal $K3$ surfacesShifted Poisson unfoldings and quantum anomaliesQuotients of real algebraic sets and AS-sets equipped with a linearizable compact group actionBrauer groups of resolved quiver moduli via gerbesMotivic quasimap wall-crossing for GrassmanniansComparison of K\"{a}hler quotients of torus actionsM...安定性と特異点と多様体 - 2026/7/7の論文33本
07/07/2026
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/2026-07-07/
Examples of descendent generating series for Pandharipande--Thomas stable pairs on smooth projective Fano threefolds via one-dimensional wall-crossingResolve the lightcone singularity and extend the SO(3,1)-actionComputing the continuous symmetries of a parametrized varietyPermutahedra, Lusztig varieties, degenerations, and subdivisionsSome terminal orders on 3-foldsCellular $\mathbb{A}^1$-Homology from Bruhat Boundary Matrices of Split Semisimple Flag VarietiesA Polynomial Recovery Criterion for Forced Commutativity in the Matrix Square-Root Fiber of a Square-Free Cubic PolynomialBigness of tangent bundles of blow-ups of ruled surfacesReal radiciality and monoreal extensionsIsolated Hypersurface Singularities May Be Stably DegenerateEnumerative geomet...K3曲面とp進積分とモジュライ空間 - 2026/7/3の論文20本
07/03/2026
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/2026-07-03/
Hecke operators on symplectic surfaces and $\chi$-independenceInterpolation for rational curves with secants$\chi$-independence for K3-surfaces via $p$-adic integrationA note on cubical Bloch--Levine cycle complexesFoliated and Mather-Jacobian discrepancies via tangential arcsMotivic Hochschild homology of mod 2 motivic cohomology over algebraically closed fieldsPetersen graph and monodromy of the 27 lines on the Clebsch surfaceA nine-line counterexample to a conjecture on the minimal degree of Jacobian relationsComb smoothing and local triviality of homogeneous spaces over a relative curveOn generic finiteness of pluricanonical maps of threefolds of general typePositive Cones of Parab...シンプレクティック多様体とモジュライ空間 - 2026/7/2の論文9本
07/02/2026
arXiv math.AGの新着論文9本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-07-02/
Generalized Nikulin surfaces and irreducible symplectic fourfoldsAutomorphism groups of non-normal rigid affine surfaces are finite-dimensionalAn equivariant fixed-level Demailly identity for Fano manifoldsAn introduction to the intersection theory of the moduli space of curvesPrym-Brill-Noether Theory for General CoversSheared Witt VectorsCentral isogenies and conjugacy classes in reductive groupsReductive monoids over general basePseudo-centralizers in affine Hecke algebras特異点と多様体と正準束の幾何学 - 2026/7/1の論文15本
07/01/2026
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/2026-07-01/
From a Pascal construction to the Burkhardt quarticAddendum: On generalized canonical bundle formula and boundedness of complements in complex analytic settingLog Conifold TransitionsEquivalued affine springer fibers in mixed characteristicSymplectic leaves of meromorphic Hitchin systemsOn the canonical degree of a Gorenstein minimal threefold of general typeHolomorphic differential forms on some orthogonal modular varietiesOn homological properties of conic-line arrangements with simple singularitiesQuasi-$F$-singularities and singularities in birational geometryOn the degree of subvarieties on abelian varietiesSegre-Determinantal Loci and the Image Variety for Three Flatland CamerasAn overview of the geometry of Kottwitz-Viehmann v...特異点とモジュライ空間とヒルベルトスキーム - 2026/6/30の論文30本
06/30/2026
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/2026-06-30/
Classification of singularities of planar slowness surfacesCurves on irrational ruled surfaces whose complements are of non-general typeSemistability of Syzygy Bundles Associated to Ulrich Bundles on Projective Varieties of Arbitrary DimensionThe Dolbeault geometric Langlands correspondence for type A groups beyond the elliptic locusHyperelliptic Stable CurvesDimension filtrations in birational localisationOn computation of unramified cohomology over non-closed fieldsVirtual cycles of 3-term complexes and the Hilbert schemes of surfacesChow rings, cohomology rings, and point counts of moduli spaces of curvesOn positive cones of finite quotients of a normal varietyA Criteria of Weighted Homogene...正定値関数と層と多様体と量子接続 - 2026/6/29の論文9本
06/29/2026
arXiv math.AGの新着論文9本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-06-29/
Any-dimensional Positivstellens\"atze for symmetric functionsThe derived moduli of perverse sheavesVarieties with Ulrich exterior powers of the tangent bundleCurves in High Degree Plane Pencils with Bounded Degree ComponentsOn the maximal variation problem and Lefschetz pencilsGeneral position on Severi--Brauer surfacesEnumerating matrices with prescribed entries in an adjoint orbitAbelian Orbifolds for Brane Brick ModelsThe quantum connection and its mod p reduction多様体と特性多項式と数論幾何 - 2026/6/26の論文18本
06/26/2026
arXiv math.AGの新着論文18本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-06-26/
Inducing t-structures on semiorthogonal components$e$-polynomials of character varietiesGeneralized Zariski cancellation for Brieskorn--Pham varietiesOn a counterexample to a conjecture of J. Harris for octic surfacesOn a conjecture by Koll\'ar and Sacc\`aAutomorphism Groups of Uniform Dessins d'Enfants of Genus at Least TwoCurves contained in a quartic determinantal surface containing a lineHall Geometry and Auslander-Reiten QuiverMotive Theory Hidden in Karaji-Pascal TrianglePolar Degrees of MatroidsGenerating Special Triangulations with TransformersGroups of type $\mathrm{E}_8$ over rings via TKK-algebras and their extremal elementsRank-Two Drinfeld Module over Elliptic CurvesThe Second Vanishing Th...代数曲面とサイクルと表現論 - 2026/6/25の論文15本
06/25/2026
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/2026-06-25/
Weddle schemesOn Automorphism Groups of (1,2)-SurfacesExtremal Effective Cycles and Nef Line Bundles on \(\overline{\rm{M}}_{g,n}\)Symmetric tensor decomposition on rational varietiesExtensions of maximal symplectic groups acting on the superspecial K3 surface in characteristic $p$Variation on a theme of Beauville-VoisinRational (quasi-)elliptic surfaces with global vector fields in odd characteristicPolynomiality of the Generalized Verschiebung DegreeNonsimilar half-neighbors over fields of characteristic 2Point Singularities and Bubbling in Degenerations of Rank-Two Bundles on ThreefoldsSums of squares in polynomial timeHyperelliptic Atkin-Lehner quotients of Shimura curvesTotal positivity and symmetric spacesProfini...多様体と不変量と量子化 - 2026/6/24の論文13本
06/24/2026
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/2026-06-24/
Chiralization of Quiver VarietiesPolynomials of minimal border rank\'Etale Fundamental Groups -- a geometric and topological approach to fundamental groups in algebraic geometryEssential dimensions of polarized endomorphisms of certain algebraic surfacesOn the Sharpness of Khovanskii's Bezout-type Bound for Pfaffian FunctionsA characterization of virtually free actions via arc spaces and its application to the lower semi-continuity conjectureAmitsur groups of primitive Fano threefoldsA Littlewood-Richardson Rule for Forest Polynomials via the Schubert BialgebraNon-asphericity of strata of genus-one differentials and stability spacesBrane quantization of $A_n$-resolutionsElements in $K_4$ and regulator maps of Fermat curv...モジュライ空間とK3曲面とフラッグ多様体 - 2026/6/23の論文38本
06/23/2026
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/2026-06-23/
The Parity of Invariant CharacteristicsModuli Spaces of Degree Two Rational Maps with Portraits Up to Six PointsMultigraded Regularity of the Complete Flag VarietyMutation of Fano Simplices and Markov type equationsSelf-inverse linear subspaces of matricesA cellular (co)homology computation for $\overline{M_{0,n}}$Zombie Compositions in Assembly Algebras and an Upper Bound on the Size of Chemical SpaceHilbert's 16th problem for arrangements of curves on a surfaceWeighted projective degenerations of $\mathbb{P}^{n}$Elementary solutions of ordinary tropical differential equations, and vanishing orders of solutions of algebraic differential equationsA s...スキームと高さペアリングと特異点 - 2026/6/19の論文11本
06/19/2026
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/2026-06-19/
Quasi-affine schemes and singly compactly generated $t$-structuresCalculating Archimedean Height Pairing via generalized cross-ratioA simple proof for Hochster's TheoremSpectral and Logarithmic Atiyah Classes for Higgs BundlesWild automorphisms and compound isotrivialityAnti-Zariski pairsSymplectic duality for the constant term of the geometric Eisenstein seriesPlane curve singularities and Fitting idealsOn Ziegler pairs of line arrangements: from non-existence to abundanceEigenvector Varieties\'Etale and Quasicoherent Cohomological Dimensions of Subspace ArrangementsFano多様体とK3曲面とモジュライ空間 - 2026/6/18の論文15本
06/18/2026
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/2026-06-18/
Constant cycle surfaces on Fano varieties of cubic fourfoldsIrreducible symplectic varieties via K3-del Pezzo double coversA Pascal-type construction of the Segre cubic and the Cremona--Richmond configurationAlgebraic Networks and Architectural DegenerationsCoincidence Correspondences and Nonlinear Root GeometryIsomonodromic deformations, $\mathbb C^*$-actions, and characterization of non-abelian Noether-Lefschetz loci on Dolbeault moduli spacesA Symmetry Method for Key Vanishing Lemmas and Optimal $2$-Jet Thresholds for HyperbolicityNon-archimedean Green currents for the zero-locus of a regular sectionHolomorphic tensors on products of algebraic conesThe Moduli Space of Twisted Exact Differential Forms on Curves in Positive CharacteristicFa...超グラスマン多様体とUlrich束 - 2026/6/17の論文12本
06/17/2026
arXiv math.AGの新着論文12本をご紹介します。
番組ページ: https://prepridondon.nyoho.jp/channels/math-ag/episodes/2026-06-17/
On the analytic equivalence of branches in (n+1)-spaceSchubert varieties for the super affine Grassmannian of $GL_{n|m}$Extension of Ulrich bundlesOn the image of Hitchin morphism for some classical groups on algebraic suefacesSphericality of spaces of conics on homogeneous spacesNaive atoms of blowups: examplesA remark on rational quartic curves in prime Fano threefolds of degree $22$Weak Hodge Theorem on Piecewise-Algebraic SpacesExceptional collections for canonical stacks of log del Pezzo surfaces with $\frac13(1,1)$ singularitiesPrincipal symmetric ideals in the coordinate rings of curvesSpectral Intertwining OperatorsSingle-valued polylogarithmsコホモロジーと多様体と特異点 - 2026/6/16の論文21本
06/16/2026
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/2026-06-16/
Cohomology of Flag Superschemes and Syzygies of Compositional VarietiesDichotomy for the p-primary Brauer-Manin obstruction in characteristic pThe Chow ring of $\mathcal{S}_5^-$ is tautologicalA coproduct obstruction for derived unramified cohomologyNon-Archimedean balanced metrics and their application to totally degenerate abelian varietiesInner Lipschitz Geometry of Complex Surface Germs with Non-Isolated Singularities: A Complete ClassificationBlow-Up Constructions and Applications to Segre Classes and Multidegree FormulasTorsors of Generalized del Pezzo Tori and Brauer GroupsThe integral closedness of lattice simplices with large lattice lengthEuler Stratifications of Second Hypersimplices via Delta-matroidsHigher cotangent cohomol...