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597 papers in math.GR · page 1

  1. math.GR 2026-05-22 reviewed
    Outer automorphism groups of one-ended hyperbolic groups are virtually HHGs

    Outer automorphism groups of hyperbolic groups, bounded extensions, and hierarchical hyperbolicity

    Ervin Hadziosmanovic +1

  2. math.GR 2026-05-22 reviewed
    Left coarse structures on quotients do not always match

    Coarse Structures on Homogeneous Spaces

    Carlos P\'erez Estrada +1

  3. math.GR 2026-05-22 reviewed
    Polish groups' coarse structures metrisable under local boundedness

    The geometrisation problem for topological groups

    Christian Rosendal

  4. math.GR 2026-05-22 reviewed
    Algorithms compute all congruence quotients of Zariski dense SL(n) groups

    Algorithms for experimenting with Zariski dense matrix groups over number fields

    A. S. Detinko +2

  5. math.GN 2026-05-22 reviewed
    Three separability notions coincide for σ-compact gyrogroups

    The separability embedding of $\sigma$-compact strongly topological gyrogroups

    Shumin Lai +1

  6. math.RT 2026-05-22 reviewed
    Group character degree sums relate to twisted involution counts

    Complex Representations of Groups and Involutions of its Automorphisms

    Venkata Subbaiah Yerrapati +2

  7. math.GR 2026-05-21 reviewed
    Explicit formulas for subalgebra zeta functions of Heisenberg groups

    Symplectic lattice counting and zeta functions of higher Heisenberg groups

    Jianhao Shen +1

  8. math.RT 2026-05-21 reviewed
    M22 is the only simple group without quadratic Brauer characters

    Real 2-blocks in quasi-simple groups

    John Revere McHugh +1

  9. math.GR 2026-05-21 reviewed
    High Sylow commuting probability forces nilpotent-like structure

    Finite groups with high commuting probability for Sylow subgroups

    Eloisa Detomi +2

  10. math.RT 2026-05-21 reviewed
    Strong subnormalizer conjecture holds for odd-p p-solvable groups

    Subnormalizers and character correspondences in $p$-solvable groups

    Gabriel A. L. Souza

  11. math.NT 2026-05-21 reviewed
    Arboreal Galois maximality checked at level four for PCF map

    Arboreal Galois Groups of a PCF Map with Strictly Pre-periodic Critical Points

    \"Ozlem Ejder +4

  12. math.OA 2026-05-21 reviewed
    Simplicity of reduced crossed products requires a stabilizer with trivial amenable radical

    Stabilizer Subgroups and the Simplicity of Reduced Crossed Products

    Yair Hartman +1

  13. math.GR 2026-05-21 reviewed
    Finite perfect two-sided skew braces decompose canonically

    On finite perfect two-sided skew braces

    Marco Damele

  14. math.GR 2026-05-21 reviewed
    Dihedral groups satisfy degree sum at least m_sigma for every automorphism

    Twisted Frobenius-Schur Indicators and Character Degree Sums in Dihedral Groups

    Venkata Subbaiah Yerrapati +2

  15. math.GR 2026-05-21 reviewed
    Aldous spectral gap holds for any G wr S_n

    Aldous-type Spectral Gaps in Generalized Symmetric Groups

    Niv Levhari +1

  16. math.GR 2026-05-21 reviewed
    Star-shaped diagrams determine Coxeter automorphism groups

    Symmetry and Rigidity of Star-Shaped Coxeter Systems

    Arijit Mahato +2

  17. math.RA 2026-05-21 reviewed
    Obstruction class decides when post-Lie algebra comes from Rota-Baxter

    Inner post-Lie algebras and inner post-groups

    V. Gubarev +3

  18. math.GR 2026-05-20 reviewed
    Doubling preserves virtual compact specialness for hyperbolic groups

    Virtual specialness of the double

    Changqian Li

  19. math.GR 2026-05-20 reviewed
    LatAut towers of symmetric group products reach 1 after three steps

    Termination of the Lattice-Automorphism Tower for Direct Products of Symmetric Groups

    Sonukumar +1

  20. math.GR 2026-05-20 reviewed
    Counterexample shows γ=9/2 for nonsolvable group beyond A5

    A compensation theorem for the Sylow-integral invariant and counterexamples to an \texorpdfstring{$A_5$}{A5}-characterization conjecture

    Yutong Zhang +1

  21. math.GR 2026-05-20 reviewed
    Undermonoids detect finite factorization in monoids

    Finite factorization is detected by undermonoids

    Yutong Zhang +1

  22. math.GR 2026-05-20 reviewed
    Artin groups allow action simulations without disconnecting cliques

    Self-simulability of graph products

    Kan\'eda Blot +1

  23. math.CO 2026-05-20 reviewed
    Odd type D has exactly 2^r-1 rational Weyl group elements

    Rational Weyl group elements of odd type D

    Yutong Zhang +1

    5 Piths
  24. math.GR 2026-05-20 reviewed
    SL(n) conjugacy products hit every trace

    On the traces of the product of 2 linear similarity classes

    Klaus Nielsen

  25. math.GR 2026-05-20 reviewed
    All 2-power string C-groups of rank d project onto one common group

    String C-groups of 2-power order project onto a common string C-group

    Dong-Dong Hou +1

  26. math.GR 2026-05-20 reviewed
    Finite groups without m-HORs or m-POSRs classified

    On $m$-partite oriented semiregular representations of finite groups

    Jia-Li Du

  27. math.GR 2026-05-20 reviewed
    Q_{4n} is NCI-group for all n

    Generalized quaternion NCI-groups, NNN-groups and NNND-groups

    Jun-Feng Yang +3

  28. math.GR 2026-05-20 reviewed
    Any dense subgroup of a Lie group contains a dense 2d-generated one

    On dense free subgroups of Lie groups -- revisited

    Emmanuel Breuillard +1

  29. math.GR 2026-05-19 reviewed
    Stein group F_{2,3} cannot embed in Thompson's group V

    Action graphs, semiconjugacy, and non-embedding in Thompson's group $V$

    James Hyde +2

  30. math.RA 2026-05-19 reviewed
    Smallest zeta pole governs p-adic subalgebra counts in nilpotent algebras

    $p$-Adic Asymptotic Subalgebra Enumeration

    Tomas Reunbrouck

  31. math.GR 2026-05-19 reviewed
    Special groups avoid F2×F2 for linear polynomial hyperbolicity

    Polynomial hyperbolicity and products of free groups

    Anthony Genevois

  32. math.GR 2026-05-19 reviewed
    ℓ² Betti number non-decreasing under first-order embeddings

    An $\ell^2$ Obstruction for Elementary Embeddings of Hyperbolic Groups

    Connor MacMahon

  33. math.GT 2026-05-19 reviewed
    Meridian-preserving profinite maps preserve knot-group inertia

    Ramification Subgroups of Knot Groups and their Profinite and Cohomological Structure

    Marina Palaisti +1

  34. math.AC 2026-05-19 reviewed
    Finite-field Fourier spectra reduce to cyclotomic subfield products

    Cyclotomic finite-field Fourier spectra: Galois descent, native subfields, and residual coding

    David Kumallagov +2

  35. math.RA 2026-05-19 reviewed
    Central idempotents in graded rings have finite support

    Central idempotents in group-graded rings

    Johan \"Oinert

  36. math.GR 2026-05-19 reviewed
    Vanishing of W(G,N) equates mixed and ordinary stable commutator lengths

    Coarse geometry of stable mixed commutator length I: duality and functional analysis on chains

    Morimichi Kawasaki +4

  37. math.GR 2026-05-19 reviewed
    Group of order 64 has non-trivial symmetric 2-cocycle

    Symmetric 2-cocycles with values in $\mathbb{C}^\times$

    Mohamad Maassarani

  38. math.GR 2026-05-19 reviewed
    Finite semigroups embed into smallish monoids preserving flows

    Aperiodic Flows on Finite Semigroups II: Smallish Monoids Suffice for Complexity 1

    Stuart Margolis +1

  39. math.RA 2026-05-19 reviewed
    Two conditions classify all images of Lie polynomials

    Images of Lie Polynomials on simple Lie algebras

    Harish Kishnani +1

  40. math.RA 2026-05-18 reviewed
    2-generated Monster type axial algebras fully classified

    The Classification of the 2-generated Primitive Axial Algebras of Monster Type

    Clara Franchi +3

    5 Piths
  41. math.DS 2026-05-18 reviewed
    Strong ergodicity transfers across coamenable relation inclusions

    Coamenability and strong ergodicity

    Ben Hayes

  42. math.CO 2026-05-18 reviewed
    Abelian Schur groups classified after verifying nonpowerful-order cases

    Classification of abelian Schur groups II

    Grigory Ryabov

  43. math.CO 2026-05-18 reviewed
    Most vertex-transitive cubic graphs have base size at most 2

    The base size of vertex-transitive cubic graphs

    Marco Barbieri +2

  44. math.NT 2026-05-18 reviewed
    Weighted cusp counts decay with congruence level norm for SL_2

    Decay of weighted cusp counts for congruence subgroups of $SL_2$ over number fields

    Shengyuan Zhao

  45. math.GR 2026-05-18 reviewed
    Golden ratio Thompson groups embed into asynchronous rational group

    Geometric properties of the golden ration Thompson's group

    Denys Svetelik

  46. math.CO 2026-05-17 reviewed
    Weighted trace polynomial reconstructs trees from second moment

    The (n-2,2)-Spectrum of a Graph

    Boris Shapiro

  47. math.GN 2026-05-17 reviewed
    Infinite Abelian groups of prime exponent always have infinite MAP subgroups

    Maximally almost periodic subgroups of Abelian groups of prime exponent

    Ol'ga Sipacheva

  48. math.GR 2026-05-16 reviewed
    Exact formula for commuting r-tuples in groups with cyclic quotients

    Higher Commutativity in Finite Groups, Rigidity, Extremal bounds, and Heisenberg-Type Families

    Vadim E Levit +1

  49. math.RA 2026-05-16 reviewed
    Grading condition proves finite generation of cluster automorphism groups

    Are cluster automorphism groups finitely generated?

    Changjian Fu +2

  50. math.OA 2026-05-15 reviewed
    SL(3,Z) factor not elementarily equivalent to free group factor

    On ultraproduct approximations and property (T) factors

    Jesse Peterson