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425 papers in math.RA · page 4

  1. math.RA 2026-04-18 reviewed
    Localization and w* fix isotropy of derivations on Ore extensions

    On the isotropy of differential Ore extensions

    Rene Baltazar +2

  2. math.QA 2026-04-18 reviewed
    Lie quandles generalize Lie algebras to nonlinear mechanics

    Lie Quandles, Leibniz Racks and Noether's First Theorem

    Mohamed Elhamdadi +1

  3. math.RA 2026-04-17 reviewed
    Endomorphisms lift iff they preserve Poisson structure on center

    Hochschild cohomology and lifts of endomorphisms

    Niels Lauritzen +1

  4. math.RT 2026-04-17 reviewed
    q-only formulas give Wedderburn form of Q[SL2(q)] and Q[PSL2(q)]

    Wedderburn decomposition of the rational group algebras of $\operatorname{SL}_2(q)$ and $\operatorname{PSL}_2(q)$

    Ram Karan Choudhary +1

  5. math.RA 2026-04-17 reviewed
    Hopf algebra has Chevalley property iff discriminant ideals are trivial

    Chevalley property of module-finite Hopf algebras and discriminant ideals

    Yimin Huang +3

  6. math.RA 2026-04-17 reviewed
    G2-structures match octonion algebras over manifold functions

    $G_2$-structures as Octonion Algebras

    Isak Sundelius

  7. math.DG 2026-04-16 reviewed
    Localization turns relative invariant algebra finite

    Scalar relative differential invariants

    Boris Kruglikov +1

  8. math.DG 2026-04-16 reviewed
    Localization makes relative differential invariants finitely generated

    Scalar relative differential invariants

    Boris Kruglikov +1

  9. math.RA 2026-04-16 reviewed
    The paper proves that every square matrix over a finite field of characteristic 2 with…

    Matrices over Finite Fields of Characteristic 2 as Sums of Diagonalizable and Square-Zero Matrices

    Peter Danchev +2

  10. math.RA 2026-04-16 reviewed
    Projectors capture all additive group codes in semisimple algebras

    Projector additive group codes

    Javier de la Cruz

  11. math.RA 2026-04-15 reviewed
    All 5D nilpotent Jordan superalgebras classified up to isomorphism

    Varieties of nilpotent Jordan superalgebras of dimension five

    Isabel Hern\'andez +2

  12. math.AG 2026-04-15 reviewed
    Weak approximation fails for adjoint groups over infinite fields

    Failure of Weak Approximation in Adjoint Groups

    Chayansudha Biswas

  13. math.RA 2026-04-15 reviewed
    Lifting conditions let C4* module properties localize and globalize

    Localization, Local--Global Transfer, and Hull Theory for $C4^{\ast}$-Modules over Commutative Rings

    Chandrasekhar Gokavarapu (Department of Mathematics +4

  14. math.RA 2026-04-15 reviewed
    Centralizers commute for nonscalars in mixed algebra coproducts

    Commutativity of centralizers in a coproduct of a free algebra and a polynomial algebra

    Jakob Jurij Snoj

  15. math.AC 2026-04-15 reviewed
    Surjective map from submodule to module is always an isomorphism

    A constructive proof of Orzech's theorem

    Darij Grinberg

  16. math.RA 2026-04-15 reviewed
    GAP package derives commutator relations in F4-graded groups

    Symbolic computation in cubic Jordan matrix algebras and in related structures

    Torben Wiedemann

  17. math.RT 2026-04-15 reviewed
    Global dimension finiteness is the same for every compact silting object

    Global dimension of dg algebras via compact silting objects

    Panagiotis Kostas

  18. math.RA 2026-04-15 reviewed
    n- and m-homomorphisms add to (n+m) and compose to nm

    Compositions of $n$-homomorphisms

    Darij Grinberg

  19. math.RA 2026-04-15 reviewed
    Lie's theorem extends to supertropical algebras

    Lie's Theorem for Supertropical Algebra

    Himadri Mukherjee +1

  20. math.RA 2026-04-15 reviewed
    Growth entropy bounds categorical entropies for noncommutative algebras

    Growth in noncommutative algebras and entropy in derived categories

    Dmitri Piontkovski

  21. math.RA 2026-04-14 reviewed
    Additive surjections preserving strong orthogonality on C*-algebras classified

    Additive preservers of mutual strong Birkhoff-James orthogonality on finite-dimensional $C^\ast$-algebras

    Bojan Kuzma +1

  22. eess.SY 2026-04-14 reviewed
    Mirror symmetry of uncertainty regions makes scaled relative graph separation necessary…

    Symmetry Is Almost All You Need: Robust Stability with Uncertainty Induced by Symmetric SRG Regions

    Ding Zhang +3

  23. math.CV 2026-04-14 reviewed
    Fueter theorems match one-to-one with Fueter trees

    Fueter trees for Dunkl-regular functions over alternative *-algebras

    Alessandro Perotti

  24. math.RA 2026-04-14 reviewed
    Graded equivalences match Morita contexts with surjective traces

    Graded Equivalence for Graded Idempotent Rings

    Mikhailo Dokuchaev +1

  25. math.RA 2026-04-13 reviewed
    Finitely generated symmetric operads have no GK dimension between 1 and 2

    Symmetric operads of GK-dimension one

    Yu Li +5

  26. math.RA 2026-04-13 reviewed
    Explicit resolutions compute extension dimensions for Leavitt modules

    Homological properties of simple modules over Leavitt path algebras

    Francesca Mantese +1

  27. math.RA 2026-04-13 reviewed
    Explicit resolutions for simple modules over Leavitt path algebras

    Homological properties of simple modules over Leavitt path algebras

    Francesca Mantese +1

  28. math.RT 2026-04-13 reviewed
    Three equivalent D-module categories model minimal representation

    Geometrization of the Schr\"odinger Model for the Minimal Representation of an Even Orthogonal Group: The de Rham Setting

    Aaron Slipper

  29. math.RA 2026-04-12 reviewed
    Graded semihereditary rings equal coherent ones with flat submodules

    A characterization of monoid graded semihereditary rings

    Parviz Sahandi +1

  30. math.RA 2026-04-11 reviewed
    Complete sets of idempotents constructed in quaternion symmetric powers

    Orthogonal Idempotents in Symmetric Tensor Powers of Composition Algebras

    Aharon Razon

  31. math-ph 2026-04-11 reviewed
    Original and dual contractions form real fibers in one algebraic family

    Dual contractions and algebraic families

    Eyal Subag

  32. math.RA 2026-04-10 reviewed
    Finite propagation without boundaries forces Bethe solvability

    Why the Bethe Ansatz Works: A Structural Explanation via Interaction Propagation

    Joe Gildea

  33. math.RT 2026-04-10 reviewed
    Functor orbits classify real Lie superalgebra modules

    Classification of irreducible real modules of real Lie superalgebras

    Siddhartha Sahi +2

  34. math.RA 2026-04-10 reviewed
    The paper generalizes quasi-projective dimension from modules to complexes over…

    Quasi-projective dimensions of complexes over rings

    Hongxing Chen +2

  35. math.RA 2026-04-10 reviewed
    One triality symbol builds each magic-square Lie algebra

    Triality and the Magic Square of Hans Freudenthal

    Jonathan Holland +1

  36. math.RA 2026-04-09 reviewed
    Radical solvability requires solvable Galois groups

    A necessary condition for solvability by radicals

    Askold Khovanskii (Department of Mathematics +2

  37. math.NT 2026-04-09 reviewed
    Finite-field extensions have subfields matching divisors of the degree

    Galois theory for finite fields

    Askold Khovanskii (Department of Mathematics +2

  38. math.RA 2026-04-09 reviewed
    Perturbed Tomiyama maps receive explicit positivity conditions

    Tomiyama-type maps with a diagonal perturbation

    Anindita Bera +2

  39. math.FA 2026-04-09 reviewed
    BCH series converges near origin in quasi-Banach Lie algebras

    Local Lie Theory in Quasi-Banach Lie Algebras: Convergence of the BCH Series and Geometric Implications

    Nassim Athmouni +5

  40. math.CO 2026-04-09 reviewed
    Drazin index of anti-triangular matrices bounded by block indices

    On the Drazin Index of an Anti-Triangular Block Matrix

    Faustino Maciala +3

  41. math.RA 2026-04-09 reviewed
    Brauer group defined for dg-algebras and computed for dg-fields

    Differential graded Brauer groups over dg-rings

    Xiaoxiao Xu +1

  42. math.GR 2026-04-08 reviewed
    Complex character biset functor fails separability over Z

    On the separability of some Green biset functors

    Serge Bouc +1

  43. math.RA 2026-04-08 reviewed
    Skew quadrics have even Clifford algebras that are matrix algebras

    A note on even Clifford algebras of skew quadric hypersurfaces

    Tomoya Oshio +1

  44. math.NT 2026-04-08 reviewed
    Reduced unitary Whitehead group vanishes over p-adic curve fields

    Reduced Unitary Whitehead Groups over Function Fields of p-adic Curves

    Zitong Pei

  45. math.GR 2026-04-07 reviewed
    Groupoids with universal Fibonacci sequences classified by size and period

    Universal Fibonacci sequences and UFS-groupoids

    Petr Klimov

  46. math.QA 2026-04-06 reviewed
    Cocycles twist bialgebroid antipodes via conjugation

    Drinfeld-Xu bialgebroid 2-cocycles twist the antipode

    Zoran \v{S}koda

  47. math.RA 2026-04-06 reviewed
    Nilpotent quotients block growth in approximate rings

    On the structure of approximate rings

    Krzysztof Krupi\'nski +1

  48. math.RA 2026-04-06 reviewed
    Tensor product defined for profinitely many F2 vector spaces

    Profinite tensor powers

    David Treumann +1

  49. math.CO 2026-04-05 reviewed
    This paper derives explicit forms for the independent domination polynomial of the…

    Independent domination polynomial of comaximal graphs of commutative rings

    Bilal Ahmad Rather

  50. math.RA 2026-04-03 reviewed
    Necklace Lie bialgebra of double quiver is biquantized

    Biquantization of the necklace Lie bialgebra

    Xiaojun Chen +3