Group Theory

Authors and titles for math.GR in Jul 2023, skipping first 25

[26]  arXiv:2307.08298 [pdf, ps, other]

Title: Tuple regularity and $k$-ultrahomogeneity for finite groups

Authors: Sofia Brenner

Comments: final version incorporating reviewer comments, to appear in Journal of Group Theory

Subjects: Group Theory (math.GR); Combinatorics (math.CO)

[27]  arXiv:2307.08400 [pdf, ps, other]

Title: Uniform exponential growth for groups with proper product actions on hyperbolic spaces

Authors: Renxing Wan, Wenyuan Yang

Comments: 27 pages, 3 figures; the number of pages changes due to different formats

Subjects: Group Theory (math.GR)

[28]  arXiv:2307.08459 [pdf, ps, other]

Title: Loose ear decompositions and their applications to right-angled Artin groups

Authors: Max Gheorghiu

Comments: 17 pages

Subjects: Group Theory (math.GR)

[29]  arXiv:2307.08534 [pdf, ps, other]

Title: Odd-degree rational characters and the order of rational elements in finite groups

Authors: N. Grittini

Subjects: Group Theory (math.GR)

[30]  arXiv:2307.08787 [pdf, ps, other]

Title: Cyclic splittings of pro-p groups

Authors: Jesus Berdugo, Pavel Zalesskii

Subjects: Group Theory (math.GR)

[31]  arXiv:2307.08878 [pdf, ps, other]

Title: The Poisson boundary of lampshuffler groups

Authors: Eduardo Silva

Comments: 26 pages, no figures

Subjects: Group Theory (math.GR); Probability (math.PR)

[32]  arXiv:2307.09003 [pdf, ps, other]

Title: Groups with the real chain condition on non-pronormal subgroups

Authors: Ulderico Dardano, Fausto De Mari

Comments: arXiv admin note: text overlap with arXiv:2307.07639

Subjects: Group Theory (math.GR)

[33]  arXiv:2307.09073 [pdf, ps, other]

Title: 3-spherical twin buildings

Authors: Sebastian Bischof

Subjects: Group Theory (math.GR)

[34]  arXiv:2307.09491 [pdf, ps, other]

Title: Root Extraction in Certain Finite Abelian $p$-Groups

Authors: M. S. Srinath

Comments: This work appeared as a chapter in the author's Ph.D. thesis, titled Isogeny-based Quantum Resistant Undeniable Blind Signature and Authenticated Encryption Schemes, 2018

Subjects: Group Theory (math.GR)

[35]  arXiv:2307.09674 [pdf, ps, other]

Title: Relative hyperbolicity of free extensions of free groups

Authors: Pritam Ghosh, Funda Gültepe

Comments: To increase readability, previous version arXiv:2307.09674v2 is divided into two parts. This first part contains the discussion and the result on relative hyperbolicity of free-by free groups

Subjects: Group Theory (math.GR); Geometric Topology (math.GT)

[36]  arXiv:2307.09790 [pdf, ps, other]

Title: Hyperfiniteness of boundary actions of acylindrically hyperbolic groups

Authors: Koichi Oyakawa

Comments: 30 pages

Subjects: Group Theory (math.GR); Logic (math.LO)

[37]  arXiv:2307.09868 [pdf, ps, other]

Title: On the commuting probability of $π$-elements in finite groups

Authors: Juan Martínez

Comments: 18 pages, accepted in Mathematische Nachrichten, Theorem B has been improved

Subjects: Group Theory (math.GR)

[38]  arXiv:2307.09889 [pdf, ps, other]

Title: Ideal lattices of semigroup of doubly stochastic matrices

Authors: P G Romeo, Riya Jose

Comments: 7 pages 0 figures

Subjects: Group Theory (math.GR)

[39]  arXiv:2307.10535 [pdf, ps, other]

Title: (Weak) Twisted post-groups, skew trusses and rings

Authors: Shukun Wang

Subjects: Group Theory (math.GR)

[40]  arXiv:2307.10662 [pdf, ps, other]

Title: The growth of the Green function for random walks and Poincar{é} series

Authors: Matthieu Dussaule, Wenyuan Yang (BiCMR), Longmin Wang

Subjects: Group Theory (math.GR); Probability (math.PR)

[41]  arXiv:2307.10760 [pdf, ps, other]

Title: Length functions on groups and actions on graphs

Authors: Matthew Collins, Armando Martino

Subjects: Group Theory (math.GR)

[42]  arXiv:2307.10964 [pdf, ps, other]

Title: Hyperfiniteness for group actions on trees

Authors: Srivatsav Kunnawalkam Elayavalli, Koichi Oyakawa, Forte Shinko, Pieter Spaas

Subjects: Group Theory (math.GR); Logic (math.LO); Operator Algebras (math.OA)

[43]  arXiv:2307.11064 [pdf, ps, other]

Title: Banach fixed point property for Steinberg groups over commutative rings

Authors: Izhar Oppenheim

Comments: 51 pages

Subjects: Group Theory (math.GR); Functional Analysis (math.FA)

[44]  arXiv:2307.11193 [pdf, ps, other]

Title: Arithmetic subgroups of Chevalley group schemes over function fields II: Conjugacy classes of maximal unipotent subgroups

Authors: Claudio Bravo, Benoit Loisel

Comments: Comments are welcome

Subjects: Group Theory (math.GR); Number Theory (math.NT)

[45]  arXiv:2307.11399 [pdf, ps, other]

Title: Lyons Taming

Authors: Wolfram Neutsch

Comments: 40 pages, corrections of some minor typos in v2

Subjects: Group Theory (math.GR)

[46]  arXiv:2307.11564 [pdf, ps, other]

Title: Infinite Permutation Groups

Authors: Peter M. Neumann

Comments: The text of [v1] and [v2] is identical. [v1] is formatted so that each new lecture starts at a right hand page (127+v pages) and [v2] is formatted without all the extra page breaks (93+v pages). Edited by David A. Craven (Birmingham), Dugald Macpherson (Leeds) and R\"ognvaldur G. M\"oller (Reykjav\'ik). Comments and corrections can be sent to R\"oggi M\"oller (roggi@hi.is)

Subjects: Group Theory (math.GR); History and Overview (math.HO)

[47]  arXiv:2307.11728 [pdf, ps, other]

Title: Gaboriau's criterion and fixed price one for locally compact groups

Authors: Sam Mellick

Comments: 18 pages, comments welcome

Subjects: Group Theory (math.GR); Dynamical Systems (math.DS); Probability (math.PR)

[48]  arXiv:2307.12195 [pdf, ps, other]

Title: A note on the bound for the class of certain nilpotent groups

Authors: Jixia Gao, Haipeng Qu

Subjects: Group Theory (math.GR)

[49]  arXiv:2307.12680 [pdf, ps, other]

Title: Root Extraction in Finite Abelian Groups

Authors: Udvas Acharjee, M S Srinath

Subjects: Group Theory (math.GR)

[50]  arXiv:2307.12681 [pdf, other]

Title: Surfaces with given Automorphism Group

Authors: Reymond Akpanya, Tom Goertzen

Subjects: Group Theory (math.GR); Combinatorics (math.CO)