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425 papers in math.RA · page 9

  1. math.AC 2019-07-13 reviewed
    u integral over A[x] and A[y] is integral over A[xy]

    Integrality over ideal semifiltrations

    Darij Grinberg

  2. math.AC 2019-07-13 reviewed
    Mathieu subspaces leave many questions open even in nice rings

    An introduction to Mathieu subspaces

    Arno van den Essen

  3. math.AC 2019-07-13 reviewed
    All Mathieu-Zhao spaces with finite-codim ideals classified

    Mathieu-Zhao spaces of polynomial rings

    Arno van den Essen +1

  4. math.RA 2019-07-13 reviewed
    Cohomology classifies linear deformations of BiHom-left-symmetric algebras

    Cohomology and linear deformation of BiHom-left-symmetric algebras

    Abdelkader Ben Hassine +3

  5. math.RA 2019-07-13 reviewed
    Splitting submodules correspond bijectively to projections

    Semimodules over commutative semirings and modules over unitary commutative rings

    Ivan Chajda +1

  6. math.RA 2019-07-12 reviewed
    Cograde conditions produce two complete cotorsion pairs

    Cograde conditions and cotorsion pairs

    Xi Tang +1

  7. math.RA 2019-07-11 reviewed
    Nearly Frobenius algebras drop the trace to match topology

    Nearly Frobenius Algebras

    Ana Gonz\'alez +3

  8. math.RA 2019-07-11 reviewed
    Universal 2x2 matrix algebra fully described for coprime exponents

    On a special presentation of matrix algebras

    Geir Agnarsson +1

  9. math.NT 2019-07-11 reviewed
    Invariant operators correspond to products of modular form spaces

    Invariants of formal pseudodifferential operator algebras and algebraic modular forms

    Fran\c{c}ois Dumas +1

  10. math.RA 2019-07-11 reviewed
    Word problem solvable for metabelian Poisson algebras

    Word problem for finitely presented metabelian Poisson algebras

    Zerui Zhang +2

  11. math.RA 2019-07-11 reviewed
    Every ideal in free commutative dialgebra has unique reduced GS basis

    Gr\"obner--Shirshov bases for commutative dialgebras

    Yuqun Chen +1

  12. math.RA 2019-07-11 reviewed
    Rigid Lie algebras have algebraic inner derivations

    Rigid Lie algebras and algebraicity

    Elisabeth Remm

  13. math.RA 2019-07-10 reviewed
    Tilting complexes biject with Z times Artin braid group

    On the tilting complexes for the Auslander algebra of the truncated polynomial ring

    Julia Sauter

  14. math.RA 2019-07-09 reviewed
    Quasi-shuffle Hopf algebras match exactly when generators share Frobenius map

    Split Hopf algebras, quasi-shuffle algebras, and the cohomology of Omega Sigma X

    Nicholas J. Kuhn

  15. math.RA 2019-07-08 reviewed
    Graph module shape yields spin model

    Leonard pairs, spin models, and distance-regular graphs

    Kazumasa Nomura +1

  16. math.RA 2019-07-08 reviewed
    Jordan higher derivations equal ordinary ones on semiprime algebras

    On Higher {g_n, h_n}-derivations

    Amin Hosseini +1

  17. math.KT 2019-07-08 reviewed
    Symmetric cochains replace alternating ones for Lie algebra cohomology in char 2

    Commutative Lie algebras and commutative cohomology in characteristic $2$

    Viktor Lopatkin +1

  18. math.RA 2019-07-07 reviewed
    Supernilpotence equals super nilpotence for finite algebras

    Is supernilpotence super nilpotence?

    Keith A. Kearnes +1

  19. math.RA 2019-07-05 reviewed
    Weighted Leavitt path algebras match unweighted ones under finiteness conditions

    Weighted Leavitt path algebras that are isomorphic to unweighted Leavitt path algebras

    Raimund Preusser

  20. math.RT 2019-07-04 reviewed
    Extensions of modules over W(a,b) receive complete classification

    Extensions of finite irreducible modules of Lie conformal algebras $\mathcal{W}(a,b)$ and some Schr\"{o}dinger-Virasoro type Lie conformal algebras

    Lipeng Luo +2

  21. math.QA 2019-07-04 reviewed
    Semisimple Hopf algebras with weak integral forms are Frobenius type

    Weak integral forms and the sixth Kaplansky conjecture

    Dmitriy Rumynin

  22. math.RA 2019-07-03 reviewed
    Racah algebra embeds injectively into F[a,b,c] tensor U(sl_2)

    The universal enveloping algebra of $\mathfrak{sl}_2$ and the Racah algebra

    Sarah Bockting-Conrad +1

  23. math.RA 2019-07-03 reviewed
    Growth functions coincide for semigroups

    On the growth of algebras, semigroups, and hereditary languages

    Jason Bell +1

  24. math.RA 2019-07-01 reviewed
    Automorphism-liftable torsion modules over prime rings are classified

    Automorphism-Liftable Modules

    Askar Tuganbaev

  25. math.RA 2019-07-01 reviewed
    Right uniserial Noetherian rings with essential center are commutative or Artinian

    Uniserial Noetherian Centrally Essential Rings

    Victor Markov +1

  26. math.RA 2019-07-01 reviewed
    Digraph condition marks commuting functions as Cayley

    Directed Graphs of Cayley Functions

    Lejo J. Manavalan +1

  27. math.RA 2019-06-30 reviewed
    Rings of continuous operators on G-zero map spaces described

    Topological linear spaces of formal linear sums and continuous linear operators

    Nikolay Dubrovin

  28. math.RA 2019-06-29 reviewed
    Hankel matrix eigenvalues reduce to explicit polynomial roots

    Spectral properties of anti-heptadiagonal persymmetric Hankel matrices

    Jo\~ao Lita da Silva

  29. math.RA 2019-06-28 reviewed
    BiHom-associative algebras classified in dimensions up to 3

    Classification of 3-Dimensional BiHom-Associative and BiHom-Bialgebras

    Ahmed Zahari (IRIMAS)

  30. math.RT 2019-06-28 reviewed
    Quantum Kac-Moody algebras embed into Hall algebras of complexes

    Quantum generalized Kac--Moody algebras via Hall algebras of complexes

    Jonathan D. Axtell +1

  31. math.RA 2019-06-28 reviewed
    127·2^{n-8} subsemilattices force semilattice planarity

    One hundred twenty-seven subsemilattices and planarity

    G\'abor Cz\'edli

  32. math.RA 2019-06-27 reviewed
    Branching systems classify all perfect irreducible representations of ultragraph algebras

    Irreducible and permutative representations of ultragraph Leavitt path algebras

    Daniel Gon\c{c}alves +1

  33. math.RA 2019-06-27 reviewed
    Normal shapes classify symplectic and contact forms over divided powers

    The normal shapes of the symplectic and contact forms over algebras of divided powers

    S. Skryabin

  34. math.RA 2019-06-26 reviewed
    Quaternion extensions decompose unit elements for all 3D and 4D isometries

    Some extensions of quaternions and symmetries of simply connected space forms

    Gerardo Arizmendi +1

  35. math.RA 2019-06-24 reviewed
    No post-Lie structures on simple-reductive Lie algebra pairs

    Decompositions of algebras and post-associative algebra structures

    Dietrich Burde +1

  36. math.RA 2019-06-21 reviewed
    Involutive derivation on 3-Lie algebra yields 4n-dimensional Manin triple

    Manin triples of 3-Lie algebras induced by involutive derivations

    Shuai Hou +1

  37. math.RA 2019-06-19 reviewed
    New chains of evolution algebras admit Rota-Baxter operators

    On chains and Rota-Baxter operators of evolution algebras

    Manuel Ladra +1