プレプリどんどん: math.GR

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/2026-05-28/

1. Random endomorphisms of spherical reflection groups
2. Surjectivity of certain word maps on SU(2) and SL(2,C)
3. Polycyclic groups and profinite isomorphism
4. Groups with special presentations and star-graph $K_{3,3}$
5. Noncommutative infinitary semigroups
6. One-sided inverses in noncommutative infinitary semigroups
7. The $k$-out-of-$n$ picture-hanging puzzle: shorter solutions for small $k$ and $n-k$
8. Nuclear Dimension of Twisted $C^*$-Algebras of Virtually Abelian Groups
9. Galois Theory for Subshifts of Finite Type and Representations of Automorphism Groups
10. Ordinal semigroups
11. Twisted homology jump loci, twisted Alexander polynomials, and $\Sigma$-invariants

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/2026-05-27/

1. On partial groups of small order
2. Polynomial-time isomorphism test for groups with abelian Sylow subgroups
3. Polish topologies on endomorphism monoids of linear orders
4. Two Arc-Disjoint Hamiltonian Paths in Finite Two-Generated Abelian Cayley Digraphs
5. On the Automorphism Groups of Berman Codes and associated Abelian Codes

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/2026-05-26/

1. On Zappa-Sz\'ep products of two semidihedral groups
2. Realizing Non-Archimedean Polish Groups as Outer Automorphism Groups
3. Codegrees of Irreducible Characters of VZ and Camina $p$-Groups
4. Impartial games on two finite Groups
5. SL(3,Z) is not Howson
6. On quantitative aspects of trace polynomials
7. Right groups and the set-theoretic Yang-Baxter equation
8. Certifying Arithmeticity for Two Degree-Six Symplectic Hypergeometric Monodromy Groups
9. On the complexity of extensions of non-archimedean Polish groups admitting a compatible complete left-invariant metric
10. Non-property (t) for SO(n,1)
11. Commutators of pure twin groups and rondles
12. Cofinal types 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/2026-05-25/

1. Finite groups with high commuting probability for Sylow subgroups
2. Symplectic lattice counting and zeta functions of higher Heisenberg groups
3. Algorithms for experimenting with Zariski dense matrix groups over number fields
4. The geometrisation problem for topological groups
5. Coarse Structures on Homogeneous Spaces
6. Outer automorphism groups of hyperbolic groups, bounded extensions, and hierarchical hyperbolicity
7. Real 2-blocks in quasi-simple groups
8. Complex Representations of Groups and Involutions of its Automorphisms
9. The separability embedding of $\sigma$-compact strongly topological gyrogroups

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/2026-05-22/

1. Virtual specialness of the double
2. Symmetry and Rigidity of Star-Shaped Coxeter Systems
3. Aldous-type Spectral Gaps in Generalized Symmetric Groups
4. Twisted Frobenius-Schur Indicators and Character Degree Sums in Dihedral Groups
5. On finite perfect two-sided skew braces
6. Inner post-Lie algebras and inner post-groups
7. Stabilizer Subgroups and the Simplicity of Reduced Crossed Products
8. Arboreal Galois Groups of a PCF Map with Strictly Pre-periodic Critical Points
9. Subnormalizers and character correspondences in $p$-solvable groups

arXiv math.GRの新着論文15本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-05-21/

1. An $\ell^2$ Obstruction for Elementary Embeddings of Hyperbolic Groups
2. Polynomial hyperbolicity and products of free groups
3. Action graphs, semiconjugacy, and non-embedding in Thompson's group $V$
4. On dense free subgroups of Lie groups -- revisited
5. Generalized quaternion NCI-groups, NNN-groups and NNND-groups
6. On $m$-partite oriented semiregular representations of finite groups
7. String C-groups of 2-power order project onto a common string C-group
8. On the traces of the product of 2 linear similarity classes
9. Self-simulability of right-angled Artin groups
10. Finite factorization is detected by undermonoids
11. A compensation theorem for the Sylow-integral invariant and counterexamples to an \texorpdfstring{$A_5$}{A5}-characterization conjecture
12. Termination of the Lattice-Automorphism Tower for Direct Products of Symmetric Groups
13. Ramification Subgroups of Knot Groups and their Profinite and Cohomological Structure
14. $p$-Adic Asymptotic Subalgebra Enumeration
15. Rational Weyl group elements of odd type D

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/2026-05-20/

1. Aperiodic Flows on Finite Semigroups II: Smallish Monoids Suffice for Complexity 1
2. Symmetric 2-cocycles with values in $\mathbb{C}^\times$
3. Coarse geometry of stable mixed commutator length I: duality and functional analysis on chains
4. Images of Lie Polynomials on simple Lie algebras
5. Central idempotents in group-graded rings
6. Cyclotomic finite-field Fourier spectra: Galois descent, native subfields, and residual coding

arXiv math.GRの新着論文15本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-05-19/

1. Simple groups with narrow prime spectrum: Extended list
2. A nonabelian twist on differences of bijections
3. Statistically characterized subgroups related to arithmetic-type sequence of integers
4. Higher Commutativity in Finite Groups, Rigidity, Extremal bounds, and Heisenberg-Type Families
5. Geometric properties of the golden ration Thompson's group
6. Automorphisms of the moduli space of smooth cubic surfaces and its fundamental group
7. On ultraproduct approximations and property (T) factors
8. Are cluster automorphism groups finitely generated?
9. Maximally almost periodic subgroups of Abelian groups of prime exponent
10. The (n-2,2)-Spectrum of a Graph
11. Decay of weighted cusp counts for congruence subgroups of $SL_2$ over number fields
12. The base size of vertex-transitive cubic graphs
13. Classification of abelian Schur groups II
14. Coamenability and strong ergodicity
15. The Classification of the 2-generated Primitive Axial Algebras of Monster Type

arXiv math.GRの新着論文2本をご紹介します。

番組ページ: https://prepridondon.nyoho.jp/channels/math-gr/episodes/2026-05-18/

1. A nonfinitely based additively idempotent semiring of order four
2. Greedy bases and relational complexity of diagonal type groups