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326 papers in math.AC · page 4

  1. math.AC 2026-04-06 reviewed
    Infinite series of Gorenstein algebras fail affine homogeneity

    An infinite series of Gorenstein local algebras failing the affine homogeneity property

    Roman Avdeev +1

  2. math.AG 2026-04-06 reviewed
    Tame isotropy groups of derivations and exponentials coincide

    On the Tame Isotropy Group of Locally Finite Derivations of K[X,Y]

    Luis Cid +1

  3. math.AG 2026-04-03 reviewed
    G_m-actions linearize exactly when derivation is conjugate to partial

    On nice $\mathbb{G}_m$-actions arising from locally nilpotent derivations with slice

    Luis Cid

  4. math.AG 2026-04-03 reviewed
    Newton polyhedra fix Lipschitz saturation for toric singularities

    Lipschitz saturation of toric singularities in any dimension

    Fran\c{c}ois Bernard +2

  5. math.CO 2026-04-03 reviewed
    Zero-divisor graphs of Z_p[x]/(x^c) have explicit spectra

    Spectral Properties of Zero-Divisor Graphs of Truncated Polynomial Rings

    Bilal Ahmad Rather

  6. math.AC 2026-04-03 reviewed
    New absorbing submodule class defined and listed for Z

    Generalized square-difference factor absorbing submodules of modules over commutative rings

    Violeta Leoreanu-Fotea +3

  7. math.AG 2026-04-03 reviewed
    Absolute perfectoidization algebraizes for projective formal schemes

    Algebraization of absolute perfectoidization via section rings

    Ryo Ishizuka +1

  8. math.AC 2026-04-02 reviewed
    Valuative tree is closed in product of value groups

    On topologies on the space of valuations and the valuative tree

    Vinicius Manfredini +2

  9. math.AG 2026-04-02 reviewed
    Equivalence links relative Ulrich bundles to generalized Clifford algebras

    On relative Ulrich bundles and generalized Clifford algebras

    Soham Mondal +1

  10. math.AC 2026-03-31 reviewed
    Constructing Gorenstein curves via bi-amalgamated algebras

    Cohen-Macaulay and Gorenstein Properties of Bi-Amalgamated Algebras with Applications to Algebroid Curves

    Efe G\"urel +1

  11. math.AC 2026-03-31 reviewed
    Graded injective envelopes described for simplicial poset primes

    Toward the theory on local cohomologies at the ideals given by simplicial posets

    Kosuke Shibata +1

  12. math.AC 2026-03-31 reviewed
    V-number of graph ideals grows linearly with power k

    The $v$-number of generalized binomial edge ideals of some graphs

    Yi-Huang Shen +1

  13. math.AC 2026-03-30 reviewed
    Private neighbors bound v-number of neighborhood ideals

    Private neighbors, perfect codes and their relation with the $\mathtt{v}$-number of closed neighborhood ideals

    Delio Jaramillo-Velez +2

  14. math.AG 2026-03-29 reviewed
    Contraherent cosheaves of contramodules defined on Noetherian formal schemes

    Contraherent cosheaves of contramodules on Noetherian formal schemes

    Leonid Positselski

  15. math.AC 2026-03-27 reviewed
    Weighted Saito test finds free divisors in any dimension

    Modules of logarithmic derivations in weighted projective spaces and applications to free divisors

    Jorge Mart\'in-Morales +1

  16. math.AG 2026-03-26 reviewed
    Prime congruences on toric semirings admit geometric classification

    Geometric classification of primes modulo a (bend) congruence

    Netanel Friedenberg +1

  17. math.AT 2026-03-24 reviewed
    Only hook-decomposable biparameter modules admit structure theorems

    Hook-decomposable modules and their resolutions

    Isabella Mastroianni +3

  18. math.CO 2026-03-22 reviewed
    Commutative schemes are imprimitive iff they admit multivariate P/Q-polynomials under an

    Imprimitive association schemes and elimination theory

    Akihiro Higashitani +1

  19. math.AG 2026-03-19 reviewed
    Every ML degree up to the maximum is realized as an Euler characteristic

    The Euler Stratification for $\mathbb{P}^1 \times \mathbb{P}^1 \times \mathbb{P}^n$

    Serkan Ho\c{s}ten +3

  20. math.AC 2026-03-14 reviewed
    Sieving analogue holds exactly for Dedekind domains

    An analogue of Rogers' theorem on sieving in commutative rings

    Petr Kucheriaviy

  21. math.AG 2026-03-14 reviewed
    Algorithm runs minimal model program for threefolds over algebraic numbers

    An algorithm for the minimal model program in dimension three

    Takehiko Yasuda

  22. math.RT 2026-03-12 reviewed
    Kraft quivers classify finite spaces with two semi-linear operators

    Twisted Gelfand-Ponomarev modules

    Joseph Muller +1

  23. math.RT 2026-03-12 reviewed
    Core dimensions of tensor powers over p-groups are not recursive

    Asymptotic behavior of modular representations over abelian $p$-groups

    Cheng Meng

  24. math.AC 2026-03-11 reviewed
    Relaxed shedding yields scalable simplicial complexes

    Vertex Dismissibility and Scalability of Simplicial Complexes

    Mohammed Rafiq Namiq

  25. math.AC 2026-02-25 reviewed
    Explicit Betti numbers for skeletons of thick trees

    Betti numbers of skeletons of thick trees

    Ralf Fr\"oberg

  26. math.RA 2026-02-24 reviewed
    Monoid-graded rings characterized as hereditary via module criteria

    On monoid graded semihereditary rings

    Haneen Falah Ghalib Al-Kharsan +2

  27. math.AC 2026-02-18 reviewed
    Pargraph chip-firing recovers classical toric ideals

    Restricted Chip-Firing: Toric Toppling Ideals, Picard Groups, and Cellular Resolutions

    Rahul Karki

  28. math.AC 2026-02-13 reviewed
    Lean formalizes Gröbner bases for rings with any number of variables

    Formalizing Gr\"obner Basis Theory in Lean

    Junyu Guo +3

  29. math.AG 2026-02-10 reviewed
    Closed formula expresses Hilbert polynomial of surface Jacobian algebras via Betti numbers

    Graded Betti numbers of the Jacobian algebra of surfaces in $\mathbb P^3$

    Alexandru Dimca +1

  30. math.AC 2026-02-10 reviewed
    Torsion-freeness of M tensor M forces the module to be free

    Remarks on modules of finite projective dimension

    Mohsen Asgharzadeh +1

  31. math.NT 2026-02-08 reviewed
    A field is p-adically closed exactly when its Galois group matches Q_p

    The Galois characterisation of $p$-adically closed fields -- A modern perspective

    Leo Gitin +2

  32. math.AC 2026-02-03 reviewed
    Monomial ideals with at most eight generators are glicci

    On Zero-Dimensional Glicci Monomial Ideals

    Benjamin Mudrak

  33. math.RT 2026-01-30 reviewed
    Powers of algebraic representations stay topologically Noetherian

    Topological noetherianity for powers of algebraic representations

    Alessandro Danelon

  34. math.AC 2026-01-27 reviewed
  35. math.AG 2026-01-26 reviewed
    Valuative tools settle phase tropicalization for SL_2

    Fibers of phase tropicalizations

    Andrei Bengus-Lasnier +1

  36. math.RT 2026-01-23 reviewed
    Bott-Samelson hom modules reflexive but not free in S_n

    Homomorphisms between Bott-Samelson bimodules corresponding to sequences of reflections

    Vladimir Shchigolev

  37. math.AC 2026-01-21 reviewed
    F-pure binomial edge ideals match weakly closed graphs in char 2

    F-Purity of Binomial Edge Ideals

    Adam LaClair +1

  38. math.AC 2026-01-02 reviewed
    Leading monomials unify factor and interpolation theorems for multivariate roots

    Toward a unified theory for common affine roots of general sets of multivariate polynomials

    Olav Geil

  39. math.AC 2025-12-29 reviewed
    Boolean polynomial semiring primes fall into three integer classes

    Prime ideals in the Boolean polynomial semiring

    Kalina Mincheva +1

  40. math.CO 2025-12-25 reviewed
    Vanishing syzygies yield polynomial chromatic bounds

    Chromatic numbers from edge ideals: Graph classes with vanishing syzygies are polynomially $\chi$-bounded

    Alexander Engstr\"om

  41. math.AG 2025-12-17 reviewed
    Equidimensional surjections to Noetherian splinters are pure

    Equidimensional morphisms onto splinters are pure

    Takumi Murayama

  42. math.AC 2025-12-09 reviewed
    Sub-atomic domains relax atomicity to divisors of atomic elements

    A Weaker Notion of Atomicity in Integral Domains

    Mohamed Benelmekki +1

  43. math.AG 2025-11-27 reviewed
    Seshadri constants extend semicontinuously to Berkovich seminorms

    b-divisorial valuations and Berkovich positivity functions

    Joaquim Ro\'e +1

  44. math.AG 2025-11-25 reviewed
    Finite generation of difference ideals yields dimension polynomials

    Dimension Polynomials for Affine Partial Difference Algebraic Groups

    Orla McGrath

  45. math.AC 2025-11-11 reviewed
    Permutation invariants keep a-invariants across characteristics

    Homological properties of invariant rings of permutation groups

    Aryaman Maithani

  46. math.CO 2025-11-05 reviewed
    Terracini unions make algebraic matroids of joins equal their summands

    Terracini matroids: algebraic matroids of secants and embedded joins

    Fatemeh Mohammadi +2

  47. math.AG 2025-11-01 reviewed
    Polynomial pair yields unstable foliation tangent sheaf

    Bourbaki degree of pairs of projective surfaces

    Felipe Monteiro

  48. math.RT 2025-10-30 reviewed
    Upper sets classify toric NCCRs for rank-one class groups

    Non-commutative crepant resolutions of toric singularities with divisor class group of rank one

    Ryu Tomonaga

  49. math.AG 2025-10-30 reviewed
    Weak del Pezzo surfaces are exactly those with 2-tilting bundles

    Weak del Pezzo surfaces are characterized by the existence of $2$-tilting bundles

    Ryu Tomonaga

  50. math.NT 2025-10-26 reviewed
    Quotients of perfectoid Tate algebras are semi-immediate extensions

    Abhyankar valuations, Pr\"ufer-Manis valuations, and perfectoid Tate algebras

    Dimitri Dine +1