English
Related papers

Related papers: Lower diameter bounds for compact shrinking Ricci …

200 papers

For three dimensional complete Riemannian manifolds with scalar curvature no less than one, we obtain the sharp upper bound of complete stable minimal surfaces' diameter.

Differential Geometry · Mathematics 2025-05-27 Qixuan Hu , Guoyi Xu , Shuai Zhang

In this article, we investigate the geometry of $4$-dimensional compact gradient Ricci solitons. We prove that, under an upper bound condition on the range of the potential function, a $4$-dimensional compact gradient Ricci soliton must…

Differential Geometry · Mathematics 2022-03-29 Xu Cheng , Ernani Ribeiro , Detang Zhou

In this short note we determine the greatest lower bounds on Ricci curvature for all Fano $T$-manifolds of complexity one, generalizing the result of Chi Li. Our method of proof is based on the work of Datar and Sz\'ekelyhidi, using the…

Differential Geometry · Mathematics 2018-10-03 Jacob Cable

In this paper we generalize the main result of [4] for manifolds that are not necessarily Einstein. In fact, we obtain an upper bound for the volume of a locally volume-minimizing closed hypersurface $\Sigma$ of a Riemannian 5-manifold $M$…

Differential Geometry · Mathematics 2019-10-09 Abraão Mendes

This undergraduate thesis is focused on introducing the reader to concepts related to the search for topological obstructions to the existence of compact gradient shrinking Ricci soliton metrics in dimension four. It contains a discussion…

Differential Geometry · Mathematics 2025-10-31 Cameron MacMahon

In this note, we complete the classification of the geometry of non-compact two-dimensional gradient Ricci solitons. As a consequence, we obtain two corollaries: First, a complete two-dimensional gradient Ricci soliton has bounded…

Differential Geometry · Mathematics 2015-03-26 Jacob Bernstein , Thomas Mettler

In this paper, we first apply an integral identity on Ricci solitons to prove that closed locally conformally flat gradient Ricci solitons are of constant sectional curvature. We then generalize this integral identity to complete noncompact…

Differential Geometry · Mathematics 2008-11-12 Xiaodong Cao , Biao Wang , Zhou Zhang

A lower-bound estimate of injectivity radius for complete Riemannian manifolds is discussed in a pure geometric viewpoint and is applied to study tangent cones at infinity of certain gradient Ricci solitons. We also study the asymptotic…

Differential Geometry · Mathematics 2016-11-25 Chih-Wei Chen

In this paper, we first show that a complete shrinking breather with Ricci curvature bounded from below must be a shrinking gradient Ricci soliton. This result has several applications. First, we can classify all complete $3$-dimensional…

Differential Geometry · Mathematics 2020-12-01 Liang Cheng , Yongjia Zhang

The goal of this article is to investigate complete noncompact warped product gradient Ricci solitons. Nonexistence results, estimates for the warping function and for its gradient are proven. When the soliton is steady or expanding these…

Differential Geometry · Mathematics 2022-03-15 Valter Borges

Let $(N,g)$ be an $n$-dimensional complete Riemannian manifold with nonempty boundary $\pt N$. Assume that the Ricci curvature of $N$ has a negative lower bound $Ric\geq -(n-1)c^2$ for some $c>0$, and the mean curvature of the boundary $\pt…

Differential Geometry · Mathematics 2017-04-27 Haizhong Li , Yong Wei

This paper establishes quantitative high-probability bounds on the eigenvalues and eigenfunctions of $\epsilon$-neighborhood graph Laplacians constructed from i.i.d. random variables on $m$-dimensional closed Riemannian manifolds $(M,g)$…

Differential Geometry · Mathematics 2025-06-23 Masato Inagaki

We show that every gradient shrinking soliton of the generalized Ricci flow on compact manifold is a Ricci soliton. And we prove that the pluriclosed soliton is gradient Kahler-Ricci soliton under a broad cohomological condition. Moreover,…

Differential Geometry · Mathematics 2024-04-10 Xilun Li , Yanan Ye

In this paper we prove some spectral properties of the drifted Laplacian of self-shrinkers properly immersed in gradient shrinking Ricci solitons. Then we use these results to prove some geometric properties of self-shrinkers. For example,…

Differential Geometry · Mathematics 2016-09-13 Matheus Vieira , Detang Zhou

In this paper, we give a sharp lower bound for the first (nonzero) Neumann eigenvalue of Finsler-Laplacian in Finsler manifolds in terms of diameter, dimension, weighted Ricci curvature.

Analysis of PDEs · Mathematics 2017-05-30 Guofang Wang , Chao Xia

We present conditions on the Ricci curvature for complete, oriented, minimal submanifolds of Euclidean space, as well as the standard unit sphere, when the Gauss maps are bounded embeddings.

Differential Geometry · Mathematics 2009-09-15 Richard Atkins

We show that gradient shrinking, expanding or steady Ricci solitons have potentials leading to suitable reference probability measures on the manifold. For shrinking solitons, as well as expanding soltions with nonnegative Ricci curvature,…

Differential Geometry · Mathematics 2009-05-11 Jose Carrillo , Lei Ni

We provide a lower bound for the first eigenvalue of the Laplace-Beltrami operator on a closed orientable hypersurface minimally embedded in an orientable compact Riemannian manifold with Ricci curvature bounded below by a positive…

Differential Geometry · Mathematics 2024-09-26 Egor Surkov

We prove that a shrinking gradient Ricci soliton which agrees to infinite order at spatial infinity with one of the standard cylindrical metrics on $S^k\times \RR^{n-k}$ for $k\geq 2$ along some end must be isometric to the cylinder on that…

Differential Geometry · Mathematics 2020-09-16 Brett Kotschwar , Lu Wang

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
‹ Prev 1 3 4 5 6 7 10 Next ›