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In this paper, we show that steady or shrinking complete gradient Yamabe solitons with finite total scalar curvature and non-positive Ricci curvature are Ricci flat. Moreover, under certain pinching condition for Ricci curvature, we show…

Differential Geometry · Mathematics 2018-09-10 Shun Maeta

The purpose of this paper is to study gradient $k$-Yamabe solitons conformal to pseudo-Euclidean space. We characterize all such solitons invariant under the action of an $(n-1)$-dimensional translation group. For rotational invariant…

Differential Geometry · Mathematics 2021-08-11 W. Tokura , M. Barboza , E. Batista , P. Kai

In this paper, we show that any compact quasi $k$-Yamabe gradient solitons must have constant $\sigma_{k}$-curvature. Moreover, we provide a certain condition for a compact quasi $k$-Yamabe soliton to be gradient, and for noncompact…

Differential Geometry · Mathematics 2021-06-22 Willian Tokura , Elismar Batista , Priscila Kai

In this article, we have proved some results in connection with the potential vector field having finite global norm in quasi Yamabe soliton. We have derived some criteria in particular for the potential vector field on the non-positive…

Differential Geometry · Mathematics 2022-06-28 Absos Ali Shaikh , Prosenjit Mandal

Firstly we provide new characterizations for doubly warped product manifolds. Then we consider several types of gradient solitons on them such as Riemann, Ricci, Yamabe and conformal and examine the effect of a gradient soliton on a doubly…

Differential Geometry · Mathematics 2025-08-04 Adara M. Blaga , Hakan M. Taştan

In this paper, we study structures of almost Yamabe solitons which are not necessarily gradient. First, we investigate conditions that both compact and noncompact almost Yamabe solitons become trivial solitons which means the given vector…

Differential Geometry · Mathematics 2025-11-04 Seungsu Hwang , Gabjin Yun

Let (M,g) be a steady gradient Ricci soliton of dimension n \geq 4 which has positive sectional curvature and is asymptotically cylindrical. Under these assumptions, we show that (M,g) is rotationally symmetric. In particular, our result…

Differential Geometry · Mathematics 2013-07-25 S. Brendle

In this paper, we investigate the geometric structure of {\delta}- almost Yamabe solitons on paracontact metric manifolds endowed with a quarter-symmetric non-metric connection {\nabla}. We establish a series of classification results under…

Differential Geometry · Mathematics 2025-11-14 Rajdip Biswas , Bijita Biswas , Arindam Bhattacharyya

We consider the broadest concept of the gradient Yamabe soliton, the conformal gradient soliton. In this paper, we elucidate the structure of complete gradient conformal solitons under some assumption, and provide some applications to…

Differential Geometry · Mathematics 2024-05-22 Shun Maeta

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

We will give a simple proof that the metric of any compact Yamabe gradient soliton (M,g) is a metric of constant scalar curvature when the dimension of the manifold n>2.

Differential Geometry · Mathematics 2011-07-20 Shu-Yu Hsu

In this paper we classify rotationally symmetric conformally flat admissible solitons to the $k$-Yamabe flow, a fully non-linear version of the Yamabe flow. For $n\geq 2k$ we prove existence of complete expanding, steady and shrinking…

Differential Geometry · Mathematics 2024-10-11 Maria Fernanda Espinal , Mariel Sáez

In this paper, we use less topological restrictions and more geometric and analytic conditions to obtain some sufficient conditions on Yamabe solitons such that their metrics are Yamabe metrics, that is, metrics of constant scalar…

Differential Geometry · Mathematics 2018-11-01 Nasser Bin Turki , Bang-Yen Chen , Sharief Deshmukh

The Yamabe invariant is an invariant of a closed smooth manifold defined using conformal geometry and the scalar curvature. Recently, Petean showed that the Yamabe invariant is non-negative for all closed simply connected manifolds of…

Differential Geometry · Mathematics 2011-03-10 Boris Botvinnik , Jonathan Rosenberg

In this paper, we classify 3-dimensional complete gradient Yamabe solitons with divergence-free Cotton tensor. We also give some classifications of complete gradient Yamabe solitons with nonpositively curved Ricci curvature in the direction…

Differential Geometry · Mathematics 2019-08-27 Shun Maeta

In this paper we initiate the study of quasi Yamabe soliton on 3-dimensional contact metric manifold with Q\varphi=\varphi Q and prove that if a 3-dimensional contact metric manifold M such that Q\varphi=\varphi Q admits a quasi Yamabe…

Differential Geometry · Mathematics 2023-06-22 V. Venkatesha , H. Aruna Kumara

In this paper, we establish the existence of conformal deformations that uniformize fourth order curvature on 4-dimensional Riemannian manifolds with positive conformal invariants. Specifically, we prove that any closed, compact Riemannian…

Differential Geometry · Mathematics 2023-05-16 Sanghoon Lee

In this paper, we provide a necessary and sufficient conditions for the warped product $M=B\times_f F$ to be a gradient Yamabe soliton when the base is conformal to an n-dimensional pseudo-Euclidean space, which are invariant under the…

Differential Geometry · Mathematics 2017-12-01 Willian I. Tokura , Levi Adriano , Romildo Pina

In this paper, we completely classify nontrivial non-flat two- and three-dimensional complete gradient Yamabe solitons.

Differential Geometry · Mathematics 2026-04-07 Shun Maeta

In this short note we prove that any complete four dimensional anti-self-dual (or self-dual) quasi-Einstein manifolds is either Einstein or locally conformally flat. This generalizes a recent result of X. Chen and Y. Wang.

Differential Geometry · Mathematics 2014-10-10 Giovanni Catino