プレプリどんどん: math.AC

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arXivのmath.AC (可換環論) 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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コーエン・マコーレーとクラスター代数 - 2026/8/12の論文6本
Yesterday at 5:00 AM

arXiv math.ACの新着論文6本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-08-12/

On an Instance of the Small Cohen-Macaulay Conjecture IIOn the Relationship Between Semiring-Induced Valuation Algebra Isomorphisms and Semiring IsomorphismsNormality of Relative Elementary Tranvection GroupsVirtually Gorenstein Artin algebras are weakly GorensteinMutation-preserving generalized cluster algebras and Laurent mutation invariantsKronecker Products of Symmetric Persistent Tensors


環とコホモロジーと次元と代数 - 2026/8/11の論文12本
Last Tuesday at 5:00 AM

arXiv math.AC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-ac/episodes/2026-08-11/

(Locally) Associated Subrings in Polynomial and Power Series ExtensionsLocal cohomological dimension and depth in mixed characteristicOn strongly G-regular ringsRelating the Exterior Algebra of the Conormal Module to the Tor AlgebraRemarks on some Homological Problems regarding Infinite Integral ExtensionsTor and Ext vanishing results for commutative Artinian ringsDisconnected multigraded Hilbert schemes on $\mathbb{P}^2\times\mathbb{P}^1$Brehm-Wintner-Conley Dimension, Pl\"ucker Coordinates, and Generalized Dziobek-Williams Equations for Central ConfigurationsThe Algebra of compact-open subsets in the spectrum of the ring $C(T)$ for an infinite compact Hausdorff space $T$Gorenstein homological dimens...


根基計算とヒルベルトスキームと熱帯多項式 - 2026/8/10の論文5本
Last Monday at 5:00 AM

arXiv math.ACの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-08-10/

On the Radical Computation of Parametric Ideals over Finite FieldsAn Explicit Five-Variable Counterexample to the Generalized Vanishing ConjectureInitial Ideals, Low-degree Foliations and the Hilbert Scheme of Points on $\mathbb{CP}^{2}$: A First ApproachVector fields of graphic arrangements and face rings of simplicial posetsThe basic tropical polynomials generate the semifield of $r$-symmetric tropical rational functions


ベッティ数とlicciイデアルと熱帯不変量 - 2026/8/7の論文2本
Last Friday at 5:00 AM

arXiv math.ACの新着論文2本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-08-07/

Restrictions on the Betti tables of licci idealsThe graded Betti numbers are not tropical invariants


次元と表現と代数と環と複体 - 2026/8/6の論文4本
08/06/2026

arXiv math.ACの新着論文4本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-08-06/

Krull--Gabriel dimension and Cohen-Macaulay representationsBehrend function and blowup algebrasSpherical Completeness, Coherence, and GCD Properties of Formal Power Series and Witt Vector RingsFrobenius--Witt cotangent complex for derived rings


局所環とヤコビアンとクラスター代数 - 2026/8/5の論文3本
08/05/2026

arXiv math.ACの新着論文3本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-08-05/

A Fitting criterion for quasi-Gorenstein local ringsA Dimension-Two Counterexample to the Separable Jacobian Conjecture in Characteristic TwoCluster Algebras, Cube Roots, and Energy Correlators in $\mathcal{N}=4$ SYM


代数構造とグラフ理論と特異点 - 2026/8/4の論文10本
08/04/2026

arXiv math.ACの新着論文10本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-08-04/

Ulrich modules : decomposition and relation with rings having minimal multiplicityGL-algebras in positive characteristic III: the divided power algebra$\mathrm{v}$-number of Lov\'asz-Saks-Schrijver Ideals and (parity) binomial edge ideals of graphsHilbert Series and Logarithmic Degrees of $A$-Hypergeometric SeriesHomological shift ideals of weighted oriented graphsA cusp surface singularity is Frobenius liftableNash structure of curves over a valued field and tame henselian rationalityCluster Algebras for Bosonic PlethysmA uniform decomposition theorem for invariant differential operators on imprimitive complex reflection groups G(r,p,n)The catenary degree of monoids of product-


終結式とヒルベルト係数 - 2026/8/3の論文2本
08/03/2026

arXiv math.ACの新着論文2本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-08-03/

Small Resultant Systems via Linear CombinationsBounds on the second Hilbert coefficient and the depth of the associated graded ring


導出とコホモロジーとテンソル代数 - 2026/7/31の論文8本
07/31/2026

arXiv math.AC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-ac/episodes/2026-07-31/

When does a derivation of a ring admit the exponential?$\alpha\beta$-Tessarine Toolbox: A high-performance MATLAB framework for hypercomplex tensor algebraLocal cohomology modules with nonclosed supportTranscendental Hilbert-Kunz MultiplicitiesCotorsion modules relative to a hereditary torsion theoryOn phi-(k,n)-absorbing delta-primary hyperidealsHomotopy limits of complexesDerangement permutation matrices and orbit harmonics


予想とイデアルと体積 - 2026/7/30の論文4本
07/30/2026

arXiv math.ACの新着論文4本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-30/

Exploring a local variant of the Buchsbaum--Eisenbud--Horrocks conjectureAsymptotic Resurgence of Facet ideals of Graphic MatroidsA Riemann-Roch theorem for Frobenius quotientsThe finite degree formula for normalized volumes


単項イデアルとベルグマン空間 - 2026/7/29の論文3本
07/29/2026

arXiv math.ACの新着論文3本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-29/

Reduction of the Finite Generation Problem for Leading Term Ideals under Arbitrary Rational Monomial Orders to the LexicographicThe Mendez-Pinto-Villarreal Conjecture for some classes of monomial idealsOn the flatness of the Bergman space as a module over the Hardy algebra


予想と環と半環と不変量論 - 2026/7/28の論文8本
07/28/2026

arXiv math.AC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-ac/episodes/2026-07-28/

Carlsson's Conjecture and the Generalized Total Rank Conjecture in Characteristic TwoThe Bi-UFS Positive Conjecture for algebraic semidomainsOn the distributivity of the subtractive closure operator over ideal operations in hemiringsInterval RingsNearly Gorenstein blow-up algebras over two-dimensional regular local ringsAlgorithms and results on multiparameter counting of numerical semigroupsCounterexamples to Norm Conjectures of Wehlau in Modular Invariant TheoryA face-isolation proof of the two-variable Gaussian Moments Conjecture


二項イデアルとヘッセ行列とグレブナー基底 - 2026/7/27の論文3本
07/27/2026

arXiv math.ACの新着論文3本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-27/

Prime and Cohen--Macaulay binomial ideals with linear resolutionA five-variable counterexample to the Hessian conjecture, and the low-dimensional status of the Jacobian and Hessian conjecturesA class of polyocollection ideals with quadratic Gr\"{o}bner bases


ヤコビアンと行列式とテンソル固有値 - 2026/7/24の論文6本
07/24/2026

arXiv math.ACの新着論文6本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-24/

On mappings with Jacobian oneAsymptotic Resurgence of Facet and Stanley-Reisner ideals of MatroidsLower bounds on the strength of the determinantAn Explicit Characteristic-$2$ Counterexample to the Separable Jacobian ConjectureSurjectivity of Engel Maps over trace zero matrices in $\mathrm{M}_2(\mathcal{O})$New conjectures on multiplicities of tensor eigenvalues


二次イデアルとヤコビ写像 - 2026/7/23の論文2本
07/23/2026

arXiv math.ACの新着論文2本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-23/

Quadratic Ideals in Six Variables and the Eisenbud--Green--Harris ConjectureA Counterexample to the Global Injectivity of a Jacobian Mapping in \mathbb{C}^5 and Its Analytical Roots


正則性と基底と特異曲線と不変量 - 2026/7/22の論文10本
07/22/2026

arXiv math.ACの新着論文10本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-22/

Regularity and depth of binomial ideals arising from combinatoricsAdmissible bases and generic lattice idealsA sublinear bound for the regularity of subspace arrangementsBorder Bases and Border Basis SchemesPicard groups and composition nilpotence for finite cellular isotropic spectraHeaps of modules: homological aspectsObstructions to embedding singular curves in toric varietiesA Counterexample to Wehlau's Conjecture on Noether NumbersCounterexamples to the xz-Conjecture and the Mathieu Conjecture for SU(2)Eventually nondecreasing quasi-polynomials


ベッティ表と平坦性と判別式 - 2026/7/21の論文7本
07/21/2026

arXiv math.ACの新着論文7本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-21/

On generalization of two results of FoxbyBetti Tables and the Licci PropertyThe Weak Zero-Divisor Difference Graph of a Finite Commutative RingHomological Detection by Perfectoid AlgebrasThe Miracle of Flatness in Algebraic GeometryDegenerating DiscriminantsSmall Counterexamples to the Gaussian Moments Conjecture


単項曲線と完全交差射影閉包 - 2026/7/20の論文1本
07/20/2026

arXiv math.ACの新着論文1本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-20/

On complete intersection projective closures of monomial curves


追悼と回顧 - 2026/7/17の論文1本
07/17/2026

arXiv math.ACの新着論文1本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-17/

In Memoriam: Professor Dr. Winfried Bruns (1946--2026)


局所コホモロジーと行列とマトロイド - 2026/7/16の論文5本
07/16/2026

arXiv math.ACの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-16/

Regularity, local cohomology and injective modules under contracting endomorphismsThe variety of nilpotent matrices is $F$-regularIntegrability in the sense of Hasse-Schmidt and $p^e$-basisGreedy fusionMatroid correspondence


ヘッセ行列と不変量とリプシッツ飽和 - 2026/7/15の論文4本
07/15/2026

arXiv math.ACの新着論文4本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-15/

Some Remarks on Hessians and WronskiansSemi-Invariants of a Matrix and CovectorGeneralized symmetry in the vanishing of ExtLipschitzSaturation: A Macaulay2 Package for Computing Lipschitz Saturations of Modules and Toric Varieties


イデアルと半環と評価写像 - 2026/7/14の論文16本
07/14/2026

arXiv math.AC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-ac/episodes/2026-07-14/

Factorizations in rational monogenic semidomainsHomological invariants of edge ideals of the multiple extended complete split-like graphsBuchsbaum modules and parameter ideals under flat extensionsPolynomials over idempotent semifieldsCharacteristic Independence of Betti Numbers of Monomial Ideals in Five VariablesGeometrically vertex decomposable star configurationsThe Arithmetic of Semirings Part I: IdealsGraded n-Absorbing Ideals and their Combinatorial StructureExistence of a far-flung Gorenstein numerical semigroup attaining the Herzog--Kumashiro--Stamate boundIntegral closure for (additively idempotent) semiringsExtending valuations of local domains to complete local domains without changing the value groupCommon extensions of valuations to rational function fieldsOn the Hilbert...


コーエン・マコーレイ環とF閾値 - 2026/7/13の論文5本
07/13/2026

arXiv math.ACの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-13/

Derived Kunz and Radu--Andr\'e TheoremsFactoring maps to big Cohen-Macaulay algebras through blowups$S_r$ properties of generalized Cohen--Macaulay modules and rings having liftable local cohomology via Serre depthOn $F$-thresholds of differential power filtrationsOn the Jung-van der Kulk decomposition into Pascal finite factors


有限局所環上の行列とワーリング問題 - 2026/7/10の論文1本
07/10/2026

arXiv math.ACの新着論文1本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-10/

Waring Problem for matrices over finite local rings


形式的冪級数と線形マトロイドと前順序 - 2026/7/9の論文3本
07/09/2026

arXiv math.ACの新着論文3本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-09/

Schreyer resolution of modules over formal power seriesAnalytic Spread via Linear MatroidsThe space of preorders on a commutative monoid


イデアルとベッティ錐とグレブナー基底 - 2026/7/8の論文5本
07/08/2026

arXiv math.ACの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-08/

Graded families of ideals and convex regionsGeneralized Marshall Quotients and Real Semigroups of Continuous and Differentiable FunctionsPurity of extremal rays of Betti conesGroebner.jl: Fast Gr\"obner Tracing in JuliaFast Rational Univariate Representation via Gaussian Elimination


数値半群とエッジイデアルとアフィンスキーム - 2026/7/7の論文13本
07/07/2026

arXiv math.AC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-ac/episodes/2026-07-07/

On the additive structure of algebraic valuations of polynomial semirings IIOn the smallest numerical semigroups closed under affine mapsOn Landweber$'$s unique factorization problemStandard Veronese degree and star configurationsOrdered alternating paths and the depth of symbolic powers of cover ideals of graphsOn two questions of Qi on saturated filtrationsA Join-Matching Theorem for Squarefree Powers of Edge Ideals, with Applications to Wheel and Related GraphsA Polynomial Recovery Criterion for Forced Commutativity in the Matrix Square-Root Fiber of a Square-Free Cubic PolynomialReal radiciality and monoreal extensionsLocalization and Affine Sche...


ゴレンシュタイン環と多項式とF-分裂 - 2026/7/3の論文5本
07/03/2026

arXiv math.ACの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-03/

Existence of a Nonsmoothable Local Gorenstein Algebra with Smoothable Q(0)A nine-line counterexample to a conjecture on the minimal degree of Jacobian relationsQuasi-$F$-splitting versus log canonicityBimodules in differential polynomial ringsDeterministic Polynomial-time Exact-root Computation for Sparse Polynomials with Bounded Total Degree


整数値多項式と辺イデアルとトロピカル幾何 - 2026/7/2の論文3本
07/02/2026

arXiv math.ACの新着論文3本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-02/

When is the Ring of Integer-Valued Polynomials over a Group Ring a Pr\"ufer domain?On the Linearity of Squarefree Powers of Edge IdealsTropical Geometry as a Restricted Architecture for Physics-Informed Neural Networks: Applications in Nonlinear Fluid-Structure Examples


導出圏と特異点と決定子多様体 - 2026/7/1の論文4本
07/01/2026

arXiv math.ACの新着論文4本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-07-01/

A lower bound for the Rouquier dimension of derived categories over commutative ringsIntersection theorems over DG-rings revisitedQuasi-$F$-singularities and singularities in birational geometrySegre-Determinantal Loci and the Image Variety for Three Flatland Cameras


行列と半群と多様体とイデアル - 2026/6/30の論文11本
06/30/2026

arXiv math.AC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-ac/episodes/2026-06-30/

A note on strong affine semigroupsPowers of matrices with all principal minors equal to 1Transcendental Epsilon Multiplicity via Divisor VolumesDefect Antichains and Multigraded Symbolic Defect Series of Edge Ideals under Graph Blow-upsSurjective Stability of Dickson-Siegel-Eichler-Roy Elementary Orthogonal GroupPerfect closure detects injective dimensionHankel and Multiplication Tensor Completions for Cactus RankChordality, syzygies, and shellability for hypergraphic analogues of interval graphsDefinable Eventual EqualizersOn Property $N_p$ of line bundles on smooth projective toric varietiesA One-Variable Frame Construction For Irrational Components of Hilbert Schemes of Points


接束の外積代数とウルリッヒ多様体 - 2026/6/29の論文1本
06/29/2026

arXiv math.ACの新着論文1本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-06-29/

Varieties with Ulrich exterior powers of the tangent bundle


イデアルと環と多様体 - 2026/6/26の論文4本
06/26/2026

arXiv math.ACの新着論文4本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-06-26/

An algebraic study of ideals of weak graph homomorphismsThe Second Vanishing Theorem in Ramified Mixed CharacteristicCohen, Levitzki, Hilbert Basis, and Lasker-Noether Theorems for Nil-S-Noetherian RingsGeneralized Zariski cancellation for Brieskorn--Pham varieties


原子性とコエンマカラー環とクラスター群 - 2026/6/25の論文5本
06/25/2026

arXiv math.ACの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-06-25/

On near atomicity and a characterization of the FF propertyPolynomial Extensions of Non-Noetherian Cohen--Macaulay Rings and Torsion-Free LocalizationNonsimilar half-neighbors over fields of characteristic 2Weddle schemesEffective Computation of Mutation Paths and Generators of Cluster Automorphism Groups


境界ランクとベッティ数 - 2026/6/24の論文2本
06/24/2026

arXiv math.ACの新着論文2本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-06-24/

Polynomials of minimal border rankGraded Betti numbers of generalized split--join graphs and applications


可換環と多様体とグラフの構造 - 2026/6/23の論文14本
06/23/2026

arXiv math.AC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-ac/episodes/2026-06-23/

Adjoining Idempotents to a Commutative Ring preprint versionSums of squares on curves and surfacesBetti Numbers of Sequentially Cohen-Macaulay Co-Chordal Graphs and Their ApplicationsPrescribed Initial Behavior of $\mu(I^k)$On Two Approaches to Cluster Structures on Partial Flag VarietiesHomology of Vietoris-Rips complexes of hypercube graphs via group actionsMultigraded Regularity of the Complete Flag VarietyOccupation Ideals and Parikh Images in Markov Support DynamicsOn Bounds of Extension Degrees for Similarity of Integral Matrices over Number FieldsThe Hermitian Distance degree of Tensor spacesAn organizing principle in the study of the Jacobian ConjectureSmooth...


ベッティ数と特異点と線分配置 - 2026/6/19の論文4本
06/19/2026

arXiv math.ACの新着論文4本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-06-19/

Non-Noetherian Bass and Betti numbersA simple proof for Hochster's TheoremPlane curve singularities and Fitting idealsOn Ziegler pairs of line arrangements: from non-existence to abundance


超平面配置とヒルベルト級数と共鳴 - 2026/6/18の論文5本
06/18/2026

arXiv math.ACの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-06-18/

Closing two recent conjectures related to the Jacobian ideal of hyperplane arrangementsSymmetric and Isotypic Hilbert Series for Symmetric IdealsOn monomial resonanceTrivariate Splines on Fans of Hyperplane Arrangements and Koszul HomologyA Pascal-type construction of the Segre cubic and the Cremona--Richmond configuration


対称イデアルとモノイドと双対性 - 2026/6/17の論文7本
06/17/2026

arXiv math.ACの新着論文7本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-ac/episodes/2026-06-17/

Principal symmetric ideals in the coordinate rings of curvesSequential 1-Cohen-Macaulayness for direct sums of modulesDerived functors and Hilbert polynomials over Gorenstein ringsCounting Schur Rings over Cyclic Groups of Semi-prime OrderDeformation Theory of Monoid Schemes IOn monoids up to symmetryDuality of monoids up to symmetry


単項イデアルとコホモロジーと超スキーム - 2026/6/16の論文9本
06/16/2026

arXiv math.AC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-ac/episodes/2026-06-16/

Regular sequences of linear forms on monomial idealsWhen is Frobenius epic?On the pertubations of E-depth, Ef-depth and sequentially Cohen-Macaulay locusSome Remarks About Saturation of IdealsCohomology of Flag Superschemes and Syzygies of Compositional VarietiesResidue ideals of hyperplane arrangementsTesting the max-flow min-cut property and the replication conjectureHigher cotangent cohomology for Stanley-Reisner ringsExistentially closed fields with operators in various categories