English
Related papers

Related papers: Locally compact sofic groups

200 papers

Computations in the cohomology of finite groups.

Algebraic Topology · Mathematics 2007-12-03 Ian J Leary

A topological group is (openly) almost-elliptic if it contains a(n open) dense subset of elements generating relatively-compact cyclic subgroups. We classify the (openly) almost-elliptic connected locally compact groups as precisely those…

Group Theory · Mathematics 2025-06-12 Alexandru Chirvasitu

For a locally quasi-convex (lqc) abelian group $G$, we give the first description of all compatible group topologies on $G$ and apply this result to the Mackey group problem for lqc groups. We characterize lqc abelian groups which are…

Group Theory · Mathematics 2022-04-12 Saak Gabriyelyan

We investigate connections between local tameness of a group and a number of its ends.

Group Theory · Mathematics 2026-05-01 Rita Gitik

The paper deals with the program of determining the complexity of various homeomorphism relations. The homeomorphism relation on compact Polish spaces is known to be reducible to an orbit equivalence relation of a continuous Polish group…

Geometric Topology · Mathematics 2021-12-07 Vadim Kulikov

We prove that graph products of sofic groups are sofic, as are graphs of groups for which vertex groups are sofic and edge groups are amenable.

Group Theory · Mathematics 2016-01-20 Laura Ciobanu , Derek F. Holt , Sarah Rees

We develop several aspects of local and global stability in continuous first order logic. In particular, we study type-definable groups and genericity.

Logic · Mathematics 2014-02-10 Itaï Ben Yaacov

Let $G$ be a locally compact non-compact topological group. We show that $G^{luc}$ ($G^*$) is an F-space if and only if $G$ is a discrete group.

Functional Analysis · Mathematics 2014-01-21 Safoura Jafar-Zadeh

Sofic entropy theory is a generalization of the classical Kolmogorov-Sinai entropy theory to actions of large class of non-amenable groups called sofic groups. This is a short introduction with a guide to the literature.

Dynamical Systems · Mathematics 2017-11-28 Lewis Bowen

The survey presents the main developments obtained over the last decade regarding pointwise ergodic theorems for measure preserving actions of locally compact groups. The survey includes an exposition of the solutions to a number of long…

Dynamical Systems · Mathematics 2007-05-23 Amos Nevo

In this work, we will introduce and study the notion of local randomness for compact metric groups. We prove a mixing inequality as well as a product result for locally random groups under an additional dimension condition on the volume of…

Group Theory · Mathematics 2020-09-02 Keivan Mallahi-Karai , Amir Mohammadi , Alireza Salehi Golsefidy

We define the notion of accessibility for a pro-$p$ group. We prove that finitely generated pro-$p$ groups are accessible given a bound on the size of their finite subgroups. We then construct a finitely generated inaccessible pro-$p$…

Group Theory · Mathematics 2018-11-07 Gareth Wilkes

Recently we have shown a structure theorem for locally compact groups of polynomial growth. We give now some applications on various growth functions and relations to FC-G - series. In addition, we show some results on related classes of…

Group Theory · Mathematics 2021-04-27 Viktor Losert

In this article, by using basic properties of fuzzy soft topology we defined fuzzy soft compactness. We also introduced some basic definitions and theorems of the concept.

General Topology · Mathematics 2014-04-15 Ismail Osmanoglu , Deniz Tokat

We propose a homology theory for locally compact spaces with ends in which the ends play a special role. The approach is motivated by results for graphs with ends, where it has been highly successful. But it was unclear how the original…

Algebraic Topology · Mathematics 2011-05-26 Reinhard Diestel , Philipp Sprüssel

In this note, we study the problem on the existence of non-cyclic free subgroups of the skew group algebra of a locally finite group over a field.

Rings and Algebras · Mathematics 2020-11-04 Bui Xuan Hai , Cao Minh Nam , Mai Hoang Bien

$p$-Adic compactifications of geometric loop and diffeomorphism groups of compact manifolds on finite-dimensional spaces over non-Archimedean fields are investigated. Weakened topology is introduced. The structure of newly constructed…

Group Theory · Mathematics 2007-05-23 S. Ludkovsky , B. Diarra

We present a list of open questions in the theory of holomorphic foliations, possibly with singularities. Some problems have been around for a while, others are very accessible.

Complex Variables · Mathematics 2018-07-17 Tien-Cuong Dinh , Nessim Sibony

We give a topological framework for the study of Sela's limit groups: limit groups are limits of free groups in a compact space of marked groups. Many results get a natural interpretation in this setting. The class of limit groups is known…

Group Theory · Mathematics 2007-05-23 Christophe Champetier , Vincent Guirardel

The notion of soft sets is introduced as a general mathematical tool for dealing with uncertainty. In this paper, we consider the concepts of soft compactness, countably soft compactness and obtain some results. We study some soft…

General Mathematics · Mathematics 2014-01-28 E. Peyghan , B. Samadi , A. Tayebi