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The investigation of Ricci solitons is the focus of this work. We have proved triviality results for compact gradient Ricci soliton under certain restriction. Later, a rigidity result is derived for a compact gradient shrinking Ricci…

Differential Geometry · Mathematics 2023-08-02 Absos Ali Shaikh , Prosenjit Mandal , V. Amarendra Babu

In this paper we study potential function of gradient steady Ricci solitons. We prove that infimum of potential function decays linearly; in particular, potential function of rectifiable gradient steady Ricci solitons decays linearly. As a…

Differential Geometry · Mathematics 2014-11-18 Peng Wu

In this article, we study four-dimensional complete gradient shrinking Ricci solitons. We prove that a four-dimensional complete gradient shrinking Ricci soliton satisfying a pointwise condition involving either the self-dual or…

Differential Geometry · Mathematics 2024-03-12 Huai-Dong Cao , Ernani Ribeiro , Detang Zhou

We show that in dimensions $n \geq 12$, a non-flat complete gradient shrinking solitons with uniformly positive isotropic curvature (PIC) must be a quotient of either the round sphere $S^n$ or the cylinder $S^{n-1} \times \mathbb{R}$. We…

Differential Geometry · Mathematics 2019-05-30 Keaton Naff

In this paper we consider the Ricci curvature of a Ricci soliton. In particular, we have showed that a complete gradient Ricci soliton with non-negative Ricci curvature possessing a non-constant convex potential function having finite…

Differential Geometry · Mathematics 2020-04-03 Chandan Kumar Mondal , Absos Ali Shaikh

The main purpose of this paper is to investigate the curvature behavior of four dimensional shrinking gradient Ricci solitons. For such soliton $M$ with bounded scalar curvature $S$, it is shown that the curvature operator $\mathrm{Rm}$ of…

Differential Geometry · Mathematics 2015-12-23 Ovidiu Munteanu , Jiaping Wang

In this paper, we prove that any complete shrinking gradient K\"ahler-Ricci solitons with positive orthogonal bisectional curvature must be compact. We also obtain a classification of the complete shrinking gradient K\"ahler-Ricci solitons…

Differential Geometry · Mathematics 2019-06-04 Shijin Zhang

We define a gradient Ricci soliton to be rigid if it is a flat bundle $% N\times_{\Gamma}\mathbb{R}^{k}$ where $N$ is Einstein. It is known that not all gradient solitons are rigid. Here we offer several natural conditions on the curvature…

Differential Geometry · Mathematics 2007-10-18 Peter Petersen , William Wylie

In this paper we consider a perturbation of the Ricci solitons equation proposed in \cite{jpb1} and studied in \cite{CaMa} and we classify noncompact gradient shrinkers with bounded nonnegative sectional curvature.

Differential Geometry · Mathematics 2016-02-02 Giovanni Catino , Lorenzo Mazzieri , Samuele Mongodi

In this note, we obtain a sharp volume estimate for complete gradient Ricci solitons with scalar curvature bounded below by a positive constant. Using Chen-Yokota's argument we obtain a local lower bound estimate of the scalar curvature for…

Differential Geometry · Mathematics 2011-08-02 Shijin Zhang

We study integral and pointwise bounds on the curvature of gradient shrinking Ricci solitons. As applications we discuss gap and compactness results for gradient shrinkers.

Differential Geometry · Mathematics 2010-06-18 Ovidiu Munteanu , Mu-Tao Wang

Suppose $(M^n, g, f)$ is a complete shrinking gradient Ricci soliton. We give several rigidity results under some natural conditions, generalizing the results in \cite{Petersen-Wylie,Guan-Lu-Xu}. Using maximum principle, we prove that…

Differential Geometry · Mathematics 2024-11-12 Jianyu Ou , Yuanyuan Qu , Guoqiang Wu

Haslhofer and M\"uller proved a compactness Theorem for four-dimensional shrinking gradient Ricci solitons, with the only assumption being that the entropy is uniformly bounded from below. However, the limit in their result could possibly…

Differential Geometry · Mathematics 2017-07-20 Yongjia Zhang

In this paper, we have proved that if a complete conformally flat gradient shrinking Ricci soliton has linear volume growth or the scalar curvature is finitely integrable and also the reciprocal of the potential function is subharmonic,…

Differential Geometry · Mathematics 2021-02-24 Absos Ali Shaikh , Chandan Kumar Mondal

In this paper, we prove that a gradient shrinking compact K\"ahler-Ricci soliton cannot have too large Ricci curvature unless it is K\"ahler-Einstein.

Differential Geometry · Mathematics 2009-07-01 Haozhao Li

We prove a splitting theorem for complete gradient Ricci soliton with nonnegative curvature and establish a rigidity theorem for codimension one complete shrinking gradient Ricci soliton in $\mathbb R^{n+1}$ with nonnegative Ricci…

Differential Geometry · Mathematics 2014-10-23 Pengfei Guan , Peng Lu , Yiyan Xu

In this paper, we derive certain curvature estimates for 4-dimensional gradient steady Ricci solitons either with positive Ricci curvature or with scalar curvature decay.

Differential Geometry · Mathematics 2014-11-14 Huai-Dong Cao , Xin Cui

We use the theory of isoparametric functions to investigate gradient Ricci solitons with constant scalar curvature. We show rigidity of gradient Ricci solitons with constant scalar curvature under some conditions on the Ricci tensor, which…

Differential Geometry · Mathematics 2014-09-12 Manuel Fernandez-Lopez , Eduardo Garcia-Rio

We prove that a four-dimensional gradient shrinking Ricci soliton with $\delta W^{\pm}=0$ is either Einstein, or a finite quotient of $S^3\times\mathbb{R}$, $S^2\times\mathbb{R}^2$ or $\mathbb{R}^4$. We also prove that a four-dimensional…

Differential Geometry · Mathematics 2014-10-28 Jia-Yong Wu , Peng Wu , William Wylie

We establish a dichotomy on the curvature decay for four dimensional complete noncompact non Ricci flat steady gradient Ricci soliton with linear curvature decay and proper potential function. A similar dichotomy is also shown in higher…

Differential Geometry · Mathematics 2021-08-13 Pak-Yeung Chan , Bo Zhu