プレプリどんどん: math.GR

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/2026-09-07/

1. An explicit non-elementary matrix over a bivariate Laurent polynomial ring
2. The Codegree Isomorphism Conjecture for Finite Simple Groups
3. Ordering, Artin--Tits group, Garside structure
4. Medvedev degrees of SFTs on cocompact Fuchsian groups
5. On multiply induced characters
6. On the lengths of MDS codes with a two-transitive permutation automorphism group

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/2026-09-04/

1. On embeddings of the difference graph of the intersection power graph and the power graph
2. On second maximal subgroups of finite groups
3. On the surjectivity conjectures of Dupont and Monod
4. On the reconstruction of $n$-quasigroups of order $4$ and upper bounds on their number
5. Divergence of decreasing rearranged Fourier series on every infinite compact abelian group
6. Fourier Analysis and Idempotents in Quandle Algebras
7. Additive diameters and covering complexity of irreducible representations
8. Khovanov monodromy groups via motions
9. The groups $\operatorname{SL}_2(\mathbb{F}_{13})$ and $\operatorname{SL}_2(\mathbb{F}_{19})$ are Galois over $\mathbb{Q}$

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/2026-09-03/

1. Acylindrical Hyperbolicity and Pure Conjugating Automorphisms in Graph Products of Groups
2. On the Self-Similarity of Permutational Wreath Products and Their Embedding into Finitely Presented Simple Groups
3. The Borovik-Cherlin conjecture holds in ACF
4. The binary actions of sporadic groups
5. Automorphisms of Twisted Chevalley Groups of type ${}^2 A_3$ and ${}^2 A_4$ over Local Rings
6. The Multiorbital Bivariate Chromatic Polynomial
7. Baumslag-Solitar Subgroups Obstruct Model Companions for Fields with Group Actions
8. Extremal Asymmetric Depth of Planar Graphs and Hidden Near-Mirror Symmetries of IPR Fullerenes

arXiv math.GRの新着論文13本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-09-02/

1. Generalized Graph Compositions with Applications to Difference Graphs of Finite Groups
2. Higher Massey Products in Demu\v{s}kin Variations: Support Blocks, One-Relator Reduction, and a Five-Fold Vanishing Case
3. Two problems about subgroups of free groups concerning the lengths of their generators
4. Relative property (T) for uniformly bounded representations
5. Accessible CAT$(-1)$ groups of critical exponent less than one
6. Finite permutation groups that act with fixity 4
7. On commensurating graphs of pro-$\mathcal{C}$ groups
8. Stabilizers in Coxeter groups with a transpositional action
9. Common neighbour conjectures for Saxl graphs fail at every base size
10. Gallagher's Theorem for Real-valued Brauer Characters
11. Properly proximal countable measured groupoids
12. Kazhdan's Property $(T)$ for Subspaces and Quotients of $L_p$-Spaces
13. Depth-1 expanders on the unitary group and applications

arXiv math.GRの新着論文19本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-09-01/

1. Involutions in the affine Conway group
2. On Some More Problems from the Kourovka Notebook
3. Decidability of the Orbit Problem Over $\mathbb{Q}(X)$
4. Fundamental groups of asymptotic cones of Lie groups with the SOL obstruction
5. Conjugator Lengths and Isoperimetric functions
6. Quasi-isometries between graphs of totally disconnected locally compact groups
7. Commutator identities, Lie product identities, and Multiplicative Lie algebras
8. Brauer character degrees and nilpotent subgroups
9. Finitely generated positive cones in $F_n \times \mathbb{Z}$
10. Boundary Dynamics, Cubical Actions, and Infinite Girth
11. Laws for triangular matrices
12. Corrigendum to "A Characterization of the Unit Group in Z[T x C_2]"
13. Non-MF groups and non-finite full group C*-algebras
14. Finite-Monoid Compression in Syntactic Concept Lattices: Arity Hierarchies and a Pseudovariety Trichotomy
15. Simplicity and pure infiniteness for $\text{C}^*$-algebras associated with stabilizers of boundary actions
16. Regular, and (bi-)rotary Hall Cayley maps
17. Vertex-transitive strongly regular graphs in the switching class of doubly transitive two-graphs
18. Morita equivalent blocks with an endotrivial source that are not globally isotypic
19. Extensions of Hindman's theorem via finite colorings of topological groups

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/2026-08-31/

1. Elementary divisors of the Cartan matrix for partial characters
2. Groups satisfying Gasch\"utz's complement theorem
3. Cycle Counting and Character Expectations Using Alternating Structures
4. Solvability of unimodular equations in groups and Lie algebras
5. Maximal subgroups of homeomorphism groups
6. Rota---Baxter operators on extraspecial groups
7. On 2-Sphere Bowditch Boundaries Attaining Conformal Dimension
8. The Twist Conjecture and the Isomorphism Problem for Coxeter groups
9. Compactifications of Abelian Group Bundles and a topological Halmos--von Neumann-type Theorem

arXiv math.GRの新着論文10本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-08-28/

1. A Determination of $B$-groups of Order $p^4$
2. Classification of Group Extensions
3. The Hurwitz Action in the Affine Symmetric Group
4. Kleisli convolution representations of power monoids
5. A $\sigma$-McKay theorem for $\pi$-separable groups
6. Real ideal points, Conway spheres, and left-orderable Dehn fillings
7. A Centroid Framework for Operator-Valued Haagerup Inequalities
8. Around the Andreadakis-Johnson filtration
9. Mapping class groups have a unique Polish group structure
10. On some aspects of discrete groups acting ergodically on the boundary

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/2026-08-27/

1. Complete Mappings of Semigroups
2. Word length, Morse theory, and Vietoris-Rips complexes
3. Asymptotic enumeration of minimally transitive permutation groups
4. A note on normal generation and the first $\ell^2$-betti number
5. A condition of admissibility for generalized Alexander quandles
6. Zeta renormalization and pressure at infinity for an infinitely cusped tree lattice
7. The kernel of the Birman-Craggs-Johnson homomorphism
8. Linear isoperimetric filling inequalities in Hadamard spaces at and above the asymptotic rank

arXiv math.GRの新着論文10本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-08-26/

1. Continuous Mal'cev Qp-Completion of Pro-p Groups
2. Nilpotent groups with Dehn function $n^2 \log n$
3. Contractible Rips complexes of groups via metric gluings
4. Standard bases for shift-stable groups and Subgroup Membership in wreath products
5. Complexity and Polishability of characterized subgroups on the unit circle
6. The Cofree Functor on G-Sets and Its Approximations
7. Relative Biexactness for Relative Hyperbolic Groups and Some Applications
8. Warped cones associated to isometric free actions do not have geometric property (T)
9. Free left $h$-Ehresmann semigroups
10. The Isaacs-Navarro-Wolf conjecture

arXiv math.GRの新着論文19本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-08-25/

1. The stable commutator length of a relator is not a one-relator group invariant
2. Splittability, non-splittability, and automatic splittability of metacyclic $p$-groups
3. Aspherical $PD_4$-pairs
4. Deflation map and the sum of inverses of the element orders in finite groups
5. The General Subgroup Permanental-Dominance Conjecture in Order Four
6. Polynomial permutation stability, soficity, and universal polynomial groups
7. On injective endomorphisms of the semigroup $\boldsymbol{B}_{\omega}^{\mathscr{F}^4}$ with a four-element family $\mathscr{F}^4$ of inductive non-empty subsets of $\omega$
8. Forcible groups and Frattini covers
9. Dimension quotients as boundary limits: the general case
10. Gorenstein dimensions and Hirsch length of groups
11. Presentations of Lower-Triangular Subgroups of $\operatorname{Aut}(F_n)$
12. On Conjugacy Classes of Derangements in Symmetric and Alternating Groups
13. Borel dimension growth and hyperfiniteness
14. Equations in Products of Free Groups and 3-Manifold Groups II: Olshanskii Epimorphisms
15. Uniform exponent bounds for integral group homology
16. Average Numbers of Homomorphisms to Random Modules over Free Group Algebras
17. A Proof of the Isaacs_Navarro_Wolf Conjecture
18. The Eaton--Moret\'o Conjecture Holds True for \(p\)-Solvable Groups
19. Coset geometries acting on their elements: The $j$-diagonals twisting