English
Related papers

Related papers: Cotton Solitons on Almost Kenmotsu 3-$h$-Manifolds

200 papers

The object of the present paper is to characterize two classes of almost Kenmotsu manifolds admitting Ricci-Yamabe soliton. It is shown that a $(k,\mu)'$-almost Kenmotsu manifold admitting a Ricci-Yamabe soliton or gradient Ricci-Yamabe…

Differential Geometry · Mathematics 2020-05-06 Dibakar Dey

In this short note it is established that there does not exist Ricci soliton with the Reeb potential vector field in an almost Kenmotsu manifold (briefly, $\mathcal{AKM}$).

Differential Geometry · Mathematics 2021-10-19 Fatemah Mofarreh , U. C. De

We consider almost Ricci-Yamabe soliton in the context of certain contact metric manifolds. Firstly, we prove that if the metric $g$ admits an almost $(\alpha,\beta)$-Ricci-Yamabe soliton with $\alpha\neq 0$ and potential vector field…

Differential Geometry · Mathematics 2022-11-01 Jay Prakash Singh , Mohan Khatri

We consider almost Riemann and almost Ricci solitons in a $D$-homothetically deformed Kenmotsu manifold having as potential vector field a gradient vector field, a solenoidal vector field or the Reeb vector field of the deformed structure,…

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

In the present paper, we give some characterizations by considering $*$-Ricci soliton as a Kenmotsu metric. We prove that if a Kenmotsu manifold represents an almost $*$-Ricci soliton with the potential vector field $V$ is a Jacobi along…

Differential Geometry · Mathematics 2021-01-06 Dhriti Sundar Patra , Akram Ali , Fatemah Mofarreh

In this paper, we consider $*$-Ricci soliton in the frame-work of Kenmotsu manifolds. First, we prove that if the metric of a Kenmotsu manifold $M$ is a $*$-Ricci soliton, then soliton constant $\lambda$ is zero. For 3-dimensional case, if…

Differential Geometry · Mathematics 2019-12-25 Venkatesha Venkatesh , Devaraja Mallesha Naik , H Aruna Kumara

In this article we study an almost $f$-cosymplectic manifold admitting a Ricci soliton. We first prove that there do not exist Ricci solitons on an almost cosymplectic $(\kappa,\mu)$-manifold. Further, we consider an almost $f$-cosymplectic…

Differential Geometry · Mathematics 2019-11-27 Xiaomin Chen

The object of the present paper is to study $\beta$-almost Yamabe solitons and $\beta$-almost Ricci solitons on almost co-K\"{a}hler manifolds. In this paper, we prove that if an almost co-K\"{a}hler manifold $M$ with the Reeb vector field…

General Mathematics · Mathematics 2020-04-07 Shahroud Azami

Almost Riemann solitons are introduced and studied on an almost contact complex Riemannian manifold, i.e. an almost contact B-metric manifold, obtained from a cosymplectic manifold of the considered type by a contact conformal…

Differential Geometry · Mathematics 2023-09-06 Mancho Manev

It is introduced and studied para-Ricci-like solitons with potential Reeb vector field on almost paracontact almost paracomplex Riemannian manifolds. The special cases of para-Einstein-like, para-Sasaki-like and having a torse-forming Reeb…

General Mathematics · Mathematics 2023-09-06 Hristo Manev , Mancho Manev

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, first we consider that the conformal vector field $\mathbf{X}$ is identical with the Reeb vector field $\varsigma$ and next, assume that $\mathbf{X}$ is pointwise collinear with %the Reeb vector field $\varsigma$, in both…

Differential Geometry · Mathematics 2024-02-05 Uday Chand De , Arpan Sardar , Krishnendu De

Left-invariant Cotton solitons on homogeneous manifolds are determined. Moreover, algebraic Cotton solitons are studied providing examples of non-invariant Cotton solitons, both in the Riemannian and Lorentzian homogeneous settings.

Differential Geometry · Mathematics 2015-06-15 E. Calviño-Louzao , L. M. Hervella , J. Seoane-Bascoy , R. Vázquez-Lorenzo

In the present paper, we characterize a class of almost Kenmotsu manifolds admitting quasi Yamabe soliton. It is shown that if a $(k,\mu)'$-almost Kenmotsu manifold admits a quasi Yamabe soliton $(g,V,\lambda,\alpha)$ with $V$ pointwise…

Differential Geometry · Mathematics 2020-05-05 Dibakar Dey , Pradip Majhi

We study some properties of a $3$-dimensional manifold with a diagonal Riemannian metric as an almost $\eta$-Ricci soliton from the following points of view: under certain assumptions, we determine the potential vector field if $\eta$ is…

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

We study almost Riemann solitons and almost Ricci solitons in an $(\alpha,\beta)$-contact metric manifold satisfying some Ricci symmetry conditions, treating the case when the potential vector field of the soliton is pointwise collinear…

Differential Geometry · Mathematics 2025-08-04 Adara M. Blaga , Dan Radu Latcu

Ricci-like solitons with potential Reeb vector field are introduced and studied on almost contact B-metric manifolds. The cases of Sasaki-like manifolds and torse-forming potentials have been considered. In these cases, it is proved that…

Differential Geometry · Mathematics 2020-05-26 Mancho Manev

Ricci-like solitons on Sasaki-like almost contact B-metric manifolds are the object of study. Cases, where the potential of the Ricci-like soliton is the Reeb vector field or pointwise collinear to it, are considered. In the former case,…

Differential Geometry · Mathematics 2021-01-22 Mancho Manev

In this paper we characterize the Einstein metrics in such broader classes of metrics as almost $\eta$-Ricci solitons and $\eta$-Ricci solitons on Kenmotsu manifolds, and generalize some results of other authors. First, we prove that a…

Differential Geometry · Mathematics 2020-08-31 Dhriti Sundar Patra , Vladimir Rovenski

In this manuscript, we investigate the characterizations of $\ast$-$\eta$-Schouten solitons on a Kenmotsu manifold when the potential vector field is torse-forming. We determine the nature of the soliton and derive the scalar curvature for…

Differential Geometry · Mathematics 2026-05-26 Tejswani Pallei , Soumendu Roy
‹ Prev 1 2 3 10 Next ›