プレプリどんどん: math.GR

arXiv math.GRの新着論文12本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-26/

1. Analogues of Gr\"un's lemma and Baer's theorem for skew left braces
2. An infinite family of counterexamples to a question of Camina
3. Free Skew Braces and Free Solutions of the Yang--Baxter Equation
4. On prime divisors of character degrees and codegrees
5. Average Distortion of Commensurators of Hyperbolic Groups
6. On $R$-sequenceability of odd ordered groups
7. Classifying the Groups of Order $p^3$ in Lean
8. A General Framework for Learning Algebraic Properties from Cayley Graphs using Graph Neural Networks
9. Classification of regular Cayley maps of skew-type three on semidihedral groups
10. Groups of type $\mathrm{E}_8$ over rings via TKK-algebras and their extremal elements
11. Distinguishing Gromov-Thurston manifolds using algebraic Dehn fillings
12. Selflessness for twisted group C*-algebras of amenable groups and their inclusions

arXiv math.GRの新着論文8本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-25/

1. On finite trifactorised groups and Sylow and Hall theorems for skew braces
2. Sylow theory and the nilpotency class of left nilpotent skew braces
3. Polynomial homological Dehn functions from non-proper actions
4. Computing canonical labellings of finite solvable groups
5. Actions with a strong fundamental domain and Sigma invariants of groups
6. Automorphisms of the Artin group of type $D_5$
7. Conjugacy Distinguished Cosets in Hyperbolic $3$-Manifold Groups
8. The representation theory of the wreath product of a finite group with the monoid of all partial functions on a finite set as an EI-category algebra

arXiv math.GRの新着論文12本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-24/

1. Characterizing property (NL) in {C}oxeter groups
2. New variations on the theme of Baer's theorem
3. Commuting graph of non-abelian groups of order $p^n$ with center having $p^{n-2}$ elements
4. The endomorphism tower of a finite symmetric group
5. On Simply Connected Simple Lie Skew Braces with Nilpotent Multiplicative Group
6. Representing alternating groups as self-dual string C-groups of high rank
7. The number of Sylow subgroups and a generalization of Mersenne primes
8. All mixed identities are singular in groups with no algebraicity
9. Representations of finite skew braces
10. N-ary groups of panmagic permutations from the Post coset theorem
11. The one-point Schreier Poisson boundary of Thompson's group $F$
12. Totally Disconnected Semigroup Compactifications: Non-Introversion of the Full Boolean Algebra of Clopen Sets

arXiv math.GRの新着論文20本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-23/

1. On the Weak Right Order of a Right-Angled Coxeter System
2. The word problem for a family of one relation Adian inverse semigroups
3. Class numbers and nilpotent subgroups of $\mathrm{PGL}(2,q)$
4. Bounded elementary generation of SL_2: nearly the end
5. On Codes in (Generalized) Symmetric Groups
6. On {2,3,5}-groups with conjugacy classes of distinct sizes
7. Action principality as a Lie-group certificate
8. Isoclinic groups and conjugacy quandles
9. On Connectivity of Comaximal Subgroup Graph
10. Affine Rota-Baxter groups and affine skew braces
11. Bicyclic biskew braces
12. Cost of one-relator groups
13. Virtual Surjection and the $n$-$(n+1)$-$(n+2)$ Theorem for Profinite Groups
14. Taut polynomials from finite quotients of fibered hyperbolic 3-manifold groups
15. Short Second Proof of the Odd-Modulus Directed Torus Hamilton Decomposition Theorem
16. The Two-Hump Problem: Bridging the Difficulty Gap in Mathematical Reinforcement Learning
17. Panmagic permutations and N-ary groups
18. A Closed Image Characterization of Locally Finite Groups via Linear Cellular Automata
19. On the automorphism group of direct product of digraphs
20. Nonarchimedean groups and the axiom of choice

arXiv math.GRの新着論文5本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-19/

1. Outer automorphism groups and the Atiyah Conjecture
2. A Riesz-Thorin Approach to the Rapid Decay Property for Free Groups
3. Linking conjugacy classes and minimal invariant characters of normal subgroups
4. Lacunary hyperbolic groups with fast injectivity radius growth and enough loxodromic elements are selfless
5. A global shadow lemma for relatively Morse groups in higher rank

arXiv math.GRの新着論文3本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-18/

1. Analogues of Sylow's first theorem, Cauchy's theorem, and Hall's theorem for skew braces
2. Surjectivity of Engel Words on $\mathrm{SL}_2(\mathcal{O})$ and $\mathrm{PSL}_2(\mathcal{O}_2)$
3. Existential Inclusions of Bi-exact Groups are Conjugacy Representation Rigid

arXiv math.GRの新着論文9本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-17/

1. Finite-Orbit Actions and Exact Reconstruction
2. $L_1$ Actions and Embeddings of Property A Spaces
3. Proportion of Simple Subgroups in Finite Groups and Their Applications
4. On the number of orthomorphisms of the alternating group on four symbols
5. Products of nonprimary cyclic conjugacy classes in the general linear group
6. Quasimorphisms and Poincar\'e duality in dimension 3
7. Branched Covers of Hyperbolic Groups
8. Deformation Theory of Monoid Schemes I
9. A coarse Menger theorem for hyperbolic graphs, finitely presented groups, and more

arXiv math.GRの新着論文9本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-16/

1. Ring-induced localizations of nilpotent groups
2. An acylindrically hyperbolic group of non-uniform exponential growth
3. Quantum uniformity norms are pullbacks of matrix-valued uniformity norms
4. Quasimorphisms and Pseudo-Anosov flows
5. Atoms in the Semigroup of Non-Negative Integer Matrices
6. The Standard Model Gauge Group from the Exceptional Jordan Algebra
7. Conjugacy Class Averages and Sidorenko's Conjecture
8. Super-Arrhenius relaxation of the triangular plaquette model in any dimension
9. Footnote to a theorem of Phagan on actions of a cyclic group

arXiv math.GRの新着論文6本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-15/

1. Free product of bi-orderable group is bi-orderable: A simple dynamical proof
2. Residually Solvable One-Relator Groups
3. Virtual inheritance properties of graph products
4. Three subgroup common transversal in abelian groups
5. On degrees of minimal invariant characters
6. The least non-partitionable zero-sum subset for zero-sum triples in finite abelian groups

arXiv math.GRの新着論文11本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-06-12/

1. A virtual RAAG with no finite index normal RAAG
2. Root Systems, Tits Cones and Imaginary Cones of Brink-Howlett Groupoids
3. The dual Artin isomorphism for Artin groups of XXL type
4. On the class-breadth conjecture for $p>2$ -groups
5. On a family of non-coset 2-valued groups
6. Growth of Approximate Groups in Hyperbolic Groups
7. Root Clusters and Multiclusters over Imperfect Hilbertian Fields
8. Computing Joins in the Weak Order of Type B Coxeter Groups: an Algorithmic Approach
9. Generalised Prisms and Euclidean Ramsey Theory
10. Finite generation, algebraicity, and representation stability for homology of Torelli groups
11. Cellular waists of hyperbolic spaces