activity
20102026
most citedGrowth tightness for groups with contracting elements

33 citations · 108 across the 25 of their papers we have counts for

collaborators

27 papers

math.GR2026

Two Characterizations of Geometrically Infinite Actions on Gromov Hyperbolic Spaces

Chaodong Yang, Wenyuan Yang

We provide two new characterizations of geometrically infinite actions on Gromov hyperbolic spaces: one in terms of the existence of escaping geodesics, and the other via the prese…

math.GR2023

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

Matthieu Dussaule, Wenyuan Yang, Longmin Wang

Given a probability measure on a finitely generated group , the Green function encodes many properties of the random walk associated with . Finding asymptotics…

math.GR2023

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

Renxing Wan, Wenyuan Yang

This paper studies the locally uniform exponential growth and product set growth for a finitely generated group acting properly on a finite product of hyperbolic spaces. Under…

math.GR2023

Counting double cosets with application to generic 3-manifolds

Suzhen Han, Wenyuan Yang, Yanqing Zou

We study the growth of double cosets in the class of groups with contracting elements, including relatively hyperbolic groups, CAT(0) groups and mapping class groups among others.…

math.PR2022★ 1 cited

Branching Random Walks on relatively hyperbolic groups

Matthieu Dussaule, Longmin Wang, Wenyuan Yang

Let be a non-elementary relatively hyperbolic group with a finite generating set. Consider a finitely supported admissible and symmetric probability measure on and a pr…

math.GR2022★ 1 cited

Conformal dynamics at infinity for groups with contracting elements

Wenyuan Yang

This paper develops a theory of conformal density at infinity for groups with contracting elements. We start by introducing a class of convergence boundary encompassing many known…

math.GT2021★ 2 cited

Property (QT) for 3-manifold groups

Suzhen Han, Hoang Thanh Nguyen, Wenyuan Yang

According to Bestvina-Bromberg-Fujiwara, a finitely generated group is said to have property (QT) if it acts isometrically on a finite product of quasi-trees so that orbital maps a…

math.GR2021

Lower bound on growth of non-elementary subgroups in relatively hyperbolic groups

Yu-miao Cui, Yue-ping Jiang, Wen-yuan Yang

This paper proves that in a non-elementary relatively hyperbolic group, the logarithm growth rate of any non-elementary subgroup has a linear lower bound by the logarithm of the si…

math.GR2020

The Hausdorff dimension of the harmonic measure for relatively hyperbolic groups

Matthieu Dussaule, Wenyuan Yang

The paper studies the Hausdorff dimension of harmonic measures on various boundaries of a relatively hyperbolic group which are associated with random walks driven by a probability…

math.GR2020★ 2 cited

Croke-Kleiner admissible groups: Property (QT) and quasiconvexity

Hoang Thanh Nguyen, Wenyuan Yang

Croke-Kleiner admissible groups firstly introduced by Croke-Kleiner belong to a particular class of graph of groups which generalize fundamental groups of --dimensional graph ma…

math.GR2020

Large quotients of group actions with a contracting element

Zunwu He, Jinsong Liu, Wenyuan Yang

For any proper action of a non-elementary group on a proper geodesic metric space, we show that if contains a contracting element, then there exists a sequence of proper qu…

math.GR2019★ 2 cited

Quasiconvexity in -manifold groups

Hoang Thanh Nguyen, Hung Cong Tran, Wenyuan Yang

In this paper, we study strongly quasiconvex subgroups in a finitely generated --manifold group . We prove that if is a compact, orientable --manifold that does n…

math.GR2018

Generic free subgroups and statistical hyperbolicity

Suzhen Han, Wen-yuan Yang

This paper studies the generic behavior of -tuple elements for in a proper group action with contracting elements, with applications towards relatively hyperbolic group…

math.GR2018

Counting conjugacy classes in groups with contracting elements

Ilya Gekhtman, Wen-yuan Yang

In this paper, we derive an asymptotic formula for the number of conjugacy classes of elements in a class of statistically convex-cocompact actions with contracting elements. Denot…

math.GR2017★ 10 cited

Martin boundary covers Floyd boundary

Ilya Gekhtman, Victor Gerasimov, Leonid Potyagailo +1

For finitely supported random walks on finitely generated groups we prove that the identity map on extends to a continuous equivariant surjection from the Martin boundary t…

math.GR2017★ 4 cited

Genericity of contracting elements in groups

Wenyuan Yang

In this paper, we establish that, for statistically convex-cocompact actions, contracting elements are exponentially generic in counting measure. Among others, the following expone…

math.GR2016★ 7 cited

Statistically convex-cocompact actions of groups with contracting elements

Wenyuan Yang

This paper presents a study of the asymptotic geometry of groups with contracting elements, with emphasis on a subclass of statistically convex-cocompact (SCC) actions. The class o…

math.GT2016★ 7 cited

Hausdorff dimension of boundaries of relatively hyperbolic groups

Leonid Potyagailo, Wen-yuan Yang

In this paper, we study the Hausdorff dimension of the Floyd and Bowditch boundaries of a relatively hyperbolic group, and show that for the Floyd metric and shortcut metrics respe…

math.GR2016

Purely exponential growth of cusp-uniform actions

Wenyuan Yang

Suppose that a countable group admits a cusp-uniform action on a hyperbolic space such that is of divergent type. The main result of the paper is characterizing the…

math.GR2015★ 5 cited

Statistical hyperbolicity of relatively hyperbolic groups

Jeremy Osborne, Wen-yuan Yang

We prove that a non-elementary relatively hyperbolic group is statistically hyperbolic with respect to every finite generating set. We also establish statistical hyperbolicity for…

math.GR2013★ 16 cited

Patterson-Sullivan measures and growth of relatively hyperbolic groups

Wenyuan Yang

We prove that for a relatively hyperbolic group G there is a sequence of relatively hyperbolic proper quotients such that their growth rates converge to the growth rate of G. Under…

math.GR2013★ 33 cited

Growth tightness for groups with contracting elements

Wenyuan Yang

We establish growth tightness for a class of groups acting geometrically on a geodesic metric space and containing a contracting element. As a consequence, any group with nontrivia…

math.GR2012★ 2 cited

Combination of fully quasiconvex subgroups and its applications

Wenyuan Yang

In this paper, we state two combination theorems for relatively quasiconvex subgroups in a relatively hyperbolic group. Applications are given to the separability of double cosets…

math.GR2011

Peripheral structures of relatively hyperbolic groups

Wenyuan Yang

In this paper, we introduce and characterize a class of parabolically extended structures for relatively hyperbolic groups. A characterization of relative quasiconvexity with respe…