activity
20132024
most citedLiouville theorem for Pseudoharmonic maps from Sasakian manifolds

12 citations · 22 across the 15 of their papers we have counts for

collaborators

15 papers

math.DG2024

On differential geometry of non-degenerate CR manifolds

Yuxin Dong, Yibin Ren

In this paper, we consider a non-degenerate CR manifold (M,H(M),J) with a given pseudo-Hermitian 1-form θ, and endow the CR distribution H(M) with any Hermitian metric h instead of…

math.DG2023

Gradient Estimates For The CR Heat Equation On Complete noncompact Pseudo-Hermitian Manifolds

Yuxin Dong, Yibin Ren, Biqiang Zhao

In this paper, we derive local and global Li-Yau type gradient estimates for the positive solutions of the CR heat equation on complete noncompact pseudo-Hermitian manifolds. As ap…

math.DG2021

Liouville Theorems for holomorphic maps on pseudo-Hermitian manifolds

Haojie Chen, Yibin Ren

We prove some Liouville type results for generalized holomorphic maps in three classes: maps from pseudo-Hermitian manifolds to almost Hermitian manifolds, maps from almost Hermiti…

math.DG2021

Prescribed Webster scalar curvatures on compact pseudo-Hermitian manifolds

Yuxin Dong, Yibin Ren, Weike Yu

In this paper, we investigate the problem of prescribing Webster scalar curvatures on compact pseudo-Hermitian manifolds. In terms of the method of upper and lower solutions and th…

math.DG2020★ 4 cited

Schwarz type lemmas for generalized holomorphic maps between pseudo-Hermitian manifolds and Hermitian manifolds

Tian Chong, Yuxin Dong, Yibin Ren +1

In this paper, we consider some generalized holomorphic maps between pseudo-Hermitian manifolds and Hermitian manifolds. By Bochner formulas and comparison theorems, we establish r…

math.DG2019

Schwarz type lemmas for pseudo-Hermitian manifolds

Yuxin Dong, Yibin Ren, Weike Yu

In this paper, we consider some generalized holomorphic maps between pseudo-Hermitian manifolds. These maps include the \emph{CR} maps and the transversally holomorphic maps. In te…

math.DG2018★ 1 cited

Horizontal Gradient Estimate of Positive Pseudo-Harmonic Functions on Complete Noncompact Pseudo-Hermitian Manifolds

Yibin Ren

In this paper, we will give a horizontal gradient estimate of positive solutions of on complete noncompact pseudo-Hermitian manifolds. As a consequence, we recapture…

math.DG2018

Convergence of Closed Pseudo-Hermitian Manifolds

Shu-Cheng Chang, Yuxin Dong, Yibin Ren

Based on uniform CR Sobolev inequality and Moser iteration, this paper investigates the convergence of closed pseudo-Hermitian manifolds. In terms of the subelliptic inequality, th…

math.DG2018★ 1 cited

Pseudo-Harmonic Maps From Complete Noncompact Pseudo-Hermitian Manifolds To Regular Balls

Tian Chong, Yuxin Dong, Yibin Ren +1

In this paper, we give an estimate of sub-Laplacian of Riemannian distance functions in pseudo-Hermitian geometry which plays a similar role as Laplacian comparison theorem in Riem…

math.DG2017

Pseudo-Harmonic Maps From Pseudo-Hermitian Manifolds to Riemannian Manifolds

Yibin Ren, Guilin Yang

In this paper, we discuss the heat flow of a pseudo-harmonic map from a closed pseudo-Hermitian manifold to a Riemannian manifold with non-positive sectional curvature, and prove t…

math.DG2015★ 2 cited

On harmonic and pseudoharmonic maps from strictly pseudoconvex CR manifolds

Tian Chong, Yuxin Dong, Yibin Ren +1

In this paper, we give some rigidity results for both harmonic and pseudoharmonic maps from CR manifolds into Riemannian manifolds or Kahler manifolds. Some basicity, pluriharmoni…

math.DG2014

Rigidity theorems of complete Kähler-Einstein manifolds and complex space forms

Tian Chong, Yuxin Dong, Hezi Lin +1

We derive some elliptic differential inequalities from the Weitzenböck formulas for the traceless Ricci tensor of a Kähler manifold with constant scalar curvature and the Bochner t…

math.DG2014

Unstability of pseudoharmonic maps between pseudo-Hermitian manifolds

Tian Chong, Yuxin Dong, Yibin Ren

In this paper, we derive the second variation formula of pseudoharmonic maps into any pseudo-Hermitian manifolds. When the target manifold is an isometric embedded CR manifold in c…

math.DG2014★ 2 cited

Rigidity Theorems for Complete Sasakian Manifolds with Constant Pseudo-Hermitian Scalar Curvature

Yuxin Dong, Hezi Lin, Yibin Ren

The orthogonal decomposition of the Webster curvature provides us a way to characterize some canonical metrics on a pseudo-Hermitian manifold. We derive some subelliptic differenti…

math.DG2013★ 12 cited

Liouville theorem for Pseudoharmonic maps from Sasakian manifolds

Yibin Ren, Guilin Yang, Tian Chong

In this paper, we derive a sub-gradient estimate for pseudoharmonic maps from noncompact complete Sasakian manifolds which satisfy CR sub-Laplace comparison property, to simply-con…