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425 papers in math.RA · page 7

  1. math.RA 2025-07-08 reviewed
    Every matrix over fields of size 5+ is diagonalizable plus square-zero sum

    Matrices over finite fields of odd characteristic as sums of diagonalizable and square-zero matrices

    Peter Danchev +2

  2. math.GR 2025-07-07 reviewed
    Special monoids inherit bi-FP_n from their unit groups

    Two-sided homological properties of special and one-relator monoids

    Robert D. Gray +1

  3. math.RA 2025-06-29 reviewed
    Acyclic complexes mark non-commutative Gorenstein rings

    Totally acyclic complexes and homological invariants over arbitrary rings

    Jian Wang +3

  4. math.QA 2025-06-27 reviewed
    Discriminant zero loci must contain identity orbits in these Hopf algebras

    Chevalley property and discriminant ideals of Cayley-Hamilton Hopf Algebras

    Yimin Huang +3

  5. math.RA 2025-06-24 reviewed
    Quaternion outer inverses unify Moore-Penrose

    Structure Preserving Algorithms for Quaternion Outer Inverses with Applications

    Neha Bhadala +1

  6. math.AG 2025-06-16 reviewed
    Line axioms in liners yield quasi-fields and loops

    Linear Geometry and Algebra

    Taras Banakh

  7. math.RA 2025-06-16 reviewed
    Every prepositive cone is maximal for many quaternion algebras

    Maximal prepositive cones on quaternion algebras with involution

    Andrew Leader

  8. math.NT 2025-06-15 reviewed
    Polyadic rings admit base-p numeral systems with fixed operation lengths

    Positional numeral systems over polyadic rings

    Steven Duplij

  9. math.RT 2025-06-04 reviewed
    Cyclic Rota-Baxter structure on one algebra yields pre-Calabi-Yau on its pair partner

    From homotopy Rota-Baxter algebras to Pre-Calabi-Yau and homotopy double Poisson algebras

    Yufei Qin +1

  10. math.RA 2025-06-01 reviewed
    Sylow theorem holds for finite skew braces under listed conditions

    On the Sylow Theorem for Skew Braces

    A. Caranti +4

  11. math.QA 2025-05-31 reviewed
    Double star-product on algebra induces star-products on representations

    What is a double star-product?

    Nikita Safonkin

  12. math.RA 2025-05-20 reviewed
    Witt rings with up to 128 square classes all fit the elementary type

    Normal Quaternionic Matrices and Finitely Generated Witt Rings

    Nico Lorenz +1

  13. math.AC 2025-05-12 reviewed
    Every ordinal is the order of a differential operator on infinite polynomials

    Torsion modules and differential operators in infinitely many variables

    Leonid Positselski

  14. math.RA 2025-04-28 reviewed
    Independence polynomials bound abelian subalgebras in nilpotent Lie algebras

    Independence Polynomials of 2-step Nilpotent Lie Algebras

    Marco Aldi +4

  15. math.DG 2025-04-23 reviewed
    Explicit bracket formula given for E8 using triality

    The bracket of the exceptional Lie algebra E8

    Andreas Kollross

  16. math.RA 2025-04-19 reviewed
    Hopf actions on Koszul algebras give all PBW deformations

    Deformation Theory and Hopf Actions on Koszul Algebras

    A. V. Shepler +1

  17. math.QA 2025-04-16 reviewed
    Nondiagonal pre-Nichols algebras have infinite GK dimension

    On the classification of finite GK-dimensional pre-Nichols algebras and quasi-quantum groups

    Yuping Yang

  18. cs.IT 2025-04-12 reviewed
    Trace dual generators found for skew cyclic codes

    The trace dual of nonlinear skew cyclic codes

    Daniel Bossaller +2

  19. math.RA 2025-03-30 reviewed
    Relation category unifies graph-to-algebra functors

    Relation morphisms of directed graphs

    Gilles G. de Castro +2

  20. math.AC 2025-03-27 reviewed
    Bivariate monomial ideal powers get explicit generators after a threshold

    Minimal generating sets of large powers of bivariate monomial ideals

    Jutta Rath +1

  21. math.RT 2025-03-13 reviewed
    Exact Borel subalgebras stay compatible with idempotents in stratified algebras

    Exact Borel subalgebras, idempotent quotients and idempotent subalgebras

    Teresa Conde +1

  22. math.SG 2025-03-07 reviewed
    Torus-invariant Poisson deformations are unobstructed when weights are independent

    Deformations of T-log-symplectic log-canonical Poisson structures and symmetric Poisson CGL extensions

    Jiang-Hua Lu +1

  23. math.CT 2025-03-06 reviewed
    Unital algebras represent their own actions

    On the representability of actions of unital algebras

    Manuel Mancini +2

  24. math.RT 2025-03-03 reviewed
    Balanced pairs induce Quillen equivalences on chain homotopy categories

    Quillen equivalence for chain homotopy categories induced by balanced pairs

    Jiangsheng Hu +3

  25. math.GN 2025-02-24 reviewed
    Contact relation cannot define interior-connectedness

    On Nondefinability of Interior-Connectedness via the Contact Relation

    Rafa{\l} Gruszczy\'nski +1

  26. math.RA 2025-02-18 reviewed
    Finite W-algebras produce only almost polynomial generalized varieties

    Multipliers, $W$-algebras and the growth of generalized polynomial identities

    Fabrizio Martino +1

  27. math.RT 2025-02-15 reviewed
    Group actions on quivers yield skew-symmetrizable cluster algebras

    Group actions on relative cluster categories and Higgs categories

    Yilin Wu

  28. math.RA 2025-02-14 reviewed
    Irreducible Perron semigroups share a common invariant cone

    Perron matrix semigroups

    Vladimir Yu. Protasov

  29. math.CO 2025-02-10 reviewed
    Formula gives new boundary operators after Morse cancellation

    Cancellation of a critical pair in discrete Morse theory and its effect on (co)boundary operators

    Anupam Mondal +2

  30. math.RA 2025-02-06 reviewed
    Higher-order Weyl algebras deform nontrivially as hom-associative algebras

    The higher-order hom-associative Weyl algebras

    Per B\"ack

  31. math.GN 2025-01-31 reviewed
    Poset of connected pieces yields unifying connectivity taxonomy

    What is Connectivity?

    Jean F. Du Plessis +2

  32. math.RA 2025-01-31 reviewed
    Cut-edges and centers of Γ(ℤ_n) are identified

    Cut edges and Central vertices of zero divisor graph of the ring of integers modulo n

    Nabajit Talukdar

  33. math.GR 2025-01-31 reviewed
    Finite outer automorphism groups preserve bi-orders only under classified conditions

    Order-Preserving outer automorphisms of free and surface groups

    Jonathan Johnson +1

  34. math.RA 2025-01-30 reviewed
    Nilpotency criterion holds for alternative superalgebras over any field

    Engel's Theorem for Alternative Superalgebras

    Isabel Hern\'andez +2

  35. math.RA 2025-01-13 reviewed
    Cocycles equip anti-associative algebras with dendriform splits

    Anti-associative dendriform algebras

    Zafar Normatov

  36. math.AP 2024-12-22 reviewed
    Arborification map turns tree integrals into words for PDE cancellations

    Cancellations for dispersive PDEs with random initial data

    Yvain Bruned +1

  37. math.AG 2024-12-18 reviewed
    Tilting bundles prove derived equivalence for G₂† flop

    Derived equivalence for the simple flop of type $G_2^{\dagger}$ via tilting bundles

    Wahei Hara

  38. math.RA 2024-12-10 reviewed
    t-STP couples cubic matrix dynamics across subsystems

    t-Product and t-STP of Cubic Matrices With Application to Hyper-Networked Systems

    Daizhan Cheng +1

  39. math.NT 2024-12-04 reviewed
    All twisted derivations classified in algebraic integer rings

    Twisted Derivations in Algebraic Number Fields

    Praveen Manju +1

  40. math.NT 2024-12-04 reviewed
    All (σ, τ)-derivations on quadratic integer rings are explicit

    $({\sigma}, {\tau})$-Derivations of Number Rings with Coding Theory Applications

    Praveen Manju +1

  41. math.RA 2024-11-25 reviewed
    Noncommutative resolutions of AS-Gorenstein singularities are AS-regular algebras

    Noncommutative resolutions of AS-Gorenstein isolated singularites

    Haonan Li +2

  42. math.RA 2024-11-01 reviewed
    Truncated tensors yield Jordan ring for solvable Leibniz algebras

    Tensor products of Leibniz bimodules and Grothendieck rings

    J\"org Feldvoss +1

  43. math.PR 2024-10-01 reviewed
    Multi-indices compute symmetry space dimensions for gKPZ

    Symmetries for the gKPZ equation via multi-indices

    Carlo Bellingeri +1

  44. math.GR 2024-09-27 reviewed
    Grün's lemma analog holds for perfect two-sided skew braces

    On Gr\"{u}n's lemma for perfect skew braces

    Cindy Tsang

  45. math.RA 2024-09-23 reviewed
    Nonempty semigroups lack Tarski prime objects

    On semigroups that are prime in the sense of Tarski, and groups prime in the senses of Tarski and of Rhodes

    George M. Bergman

  46. math.AC 2024-09-23 reviewed
    Automorphism groups recover monomial ideals in local algebras

    Finite-dimensional monomial algebras are determined by their automorphism group

    Roberto D\'iaz +1

  47. math.AG 2024-09-03 reviewed
    Filtrations on local rings form a geodesic metric space with lattice

    On the geometry of spaces of filtrations on local rings

    Lu Qi

  48. math.AG 2024-08-28 reviewed
    Zero-entropy automorphisms have volume growth at most d squared

    An upper bound for polynomial volume growth of automorphisms of zero entropy

    Fei Hu +1

  49. math.AG 2024-08-24 reviewed
    Permutation quotients have canonical singularities in any characteristic

    Quotient singularities by permutation actions are canonical

    Takehiko Yasuda

  50. math.RA 2024-08-02 reviewed
    Twist of post-Hopf product gives combinatorial antipode

    On the sub-adjacent Hopf algebra of the universal enveloping algebra of a post-Lie algebra

    Yunnan Li