English
Related papers

Related papers: Rigidity results for quotient almost Yamabe solito…

200 papers

We provide conditions for a Riemannian manifold with a nontrivial closed affine conformal Killing vector field to be isometric to a Euclidean sphere or to the Euclidean space. Also, we formulate some triviality results for almost Ricci…

Differential Geometry · Mathematics 2025-08-04 Adara M. Blaga , Bang-Yen Chen

We provide the classification of locally conformally flat gradient Yamabe solitons with positive sectional curvature. We first show that locally conformally flat gradient Yamabe solitons with positive sectional curvature have to be…

Differential Geometry · Mathematics 2012-03-06 Daskalopoulos Panagiota , Natasa Sesum

This work concerns with the existence and detailed asymptotic analysis of Type II singularities for solutions to complete non-compact conformally flat Yamabe flow with cylindrical behavior at infinity. We provide the specific blow-up rate…

Differential Geometry · Mathematics 2018-09-17 Beomjun Choi , Panagiota Daskalopoulos , John King

In this paper we prove that any complete conformal gradient soliton with nonnegative Ricci tensor is either isometric to a direct product $\mathbb{R}\times N^{n-1}$, or globally conformally equivalent to the Euclidean space $\mathbb{R}^{n}$…

Differential Geometry · Mathematics 2014-10-10 Giovanni Catino , Carlo Mantegazza , Lorenzo Mazzieri

A Yamabe soliton is defined on arbitrary almost contact B-metric manifold, which is obtained by a contact conformal transformation of the Reeb vector field, its dual contact 1-form, the B-metric, and its associated B-metric. The cases when…

Differential Geometry · Mathematics 2023-09-06 Mancho Manev

In this paper we take a look at conditions that make a Riemann soliton trivial, compacity being one of them. We also show that the behaviour at infinity of the gradient field of a non-compact gradient Riemann soliton might cause the soliton…

Differential Geometry · Mathematics 2022-08-18 Tokura Willian , Barboza Marcelo , Batista Elismar , Menezes Ilton

In this work, we study the convergence of the normalized Yamabe flow with positive Yamabe constant on a class of pseudo-manifolds that includes stratified spaces with iterated cone-edge metrics. We establish convergence under a low energy…

Differential Geometry · Mathematics 2025-08-25 Gilles Carron , Jørgen Olsen Lye , Boris Vertman

In this paper, we first investigate almost Yamabe solitons on compact Riemannian manifolds without boundary of dimension greater than or equal to two. We provide some sufficient conditions for which the defining conformal vector field…

Differential Geometry · Mathematics 2026-04-01 Ramesh Mete

In this paper we investigate gradient Yamabe solitons, either steady or shrinking, that can be isometrically immersed into space forms as hypersurfaces that admit an upper bound on the norm of their second fundamental form. Those solitons…

Differential Geometry · Mathematics 2023-12-21 Willian Isao Tokura , Marcelo Bezerra Barboza

The aim of this paper is to investigate some integral formulas for compact gradient $h$-almost Ricci-Bourguignon solitons. Consequently, we generalize the results previously ob tained for Ricci almost solitons. Moreover, we prove that a…

Differential Geometry · Mathematics 2025-05-06 Abdou Bousso , Moctar Traore , Ameth Ndiaye

We review recent compactness and non-compactness results for the Yamabe equation. We also discuss the asymptotic behavior of the parabolic Yamabe flow.

Differential Geometry · Mathematics 2008-02-05 S. Brendle

The special nature of gradient Yamabe soliton equation which was first observed by Cao-Sun-Zhang\cite{CaoSunZhang} shows that a complete gradient Yamabe soliton with non-constant potential function is either defined on the Euclidean space…

Differential Geometry · Mathematics 2011-09-13 Chenxu He

In this paper, we characterize the potential function $f$ of the almost conformal gradient Ricci soliton on a Sasakian manifold in terms of the non-dynamical scalar field $p$ and deduce the necessary condition for the potential function $f$…

Differential Geometry · Mathematics 2021-04-13 Dipen Ganguly , Nirabhra Basu , Arindam Bhattacharyya

In this paper we establish existence and compactness of solutions to a general fully nonlinear version of the Yamabe problem on locally conformally flat Riemannian manifolds with umbilic boundary.

Analysis of PDEs · Mathematics 2009-11-18 YanYan Li , Luc Nguyen

The local structure of half conformally flat gradient Ricci almost solitons is investigated, showing that they are locally conformally flat in a neighborhood of any point where the gradient of the potential function is non-null. In…

Differential Geometry · Mathematics 2016-09-28 M. Brozos-Vázquez , E. García-Río , X. Valle-Regueiro

In this paper, we completely classify conformal solitons on pseudo-Riemannian hypersurfaces in pseudo-Euclidean spaces arisen from the position vector field. In particular, the classification of Yamabe solitons on pseudo-Riemannian…

Differential Geometry · Mathematics 2022-01-17 Burcu Bektaş Demirci , Shunya Fujii , Shun Maeta

In this paper, we consider a class of fully nonlinear equations on closed smooth Riemannian manifolds, which can be viewed as an extension of $\sigma_k$ Yamabe equation. Moreover, we prove local gradient and second derivative estimates for…

Differential Geometry · Mathematics 2019-10-08 Li Chen , Xi Guo , Yan He

We show that every complete nontrivial gradient Yamabe soliton admits a special global warped product structure with a one-dimensional base. Based on this, we prove a general classification theorem for complete nontrivial locally…

Differential Geometry · Mathematics 2024-03-12 Huai-Dong Cao , Xiaofeng Sun , Yingying Zhang

In this note, we present a construction method and an explicit example of nongradient (expanding or indefinite) Ricci almost soliton in a warped product. Moreover, we show a rigidity result for the Gaussian soliton.

Differential Geometry · Mathematics 2025-07-30 Antonio Airton Freitas Filho

We study the Yamabe flow on compact Riemannian manifolds of dimensions greater than two with minimal boundary. Convergence to a metric with constant scalar curvature and minimal boundary is established in dimensions up to seven, and in any…

Differential Geometry · Mathematics 2018-12-31 Sergio Almaraz , Liming Sun