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Related papers: $\ast$-Ricci-Yamabe Soliton and Contact Geometry

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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

The aim of this paper is characterize a class of contact metric manifolds admitting $\ast$-conformal Ricci soliton. It is shown that if a $(2n + 1)$-dimensional $N(k)$-contact metric manifold $M$ admits $\ast$-conformal Ricci soliton or…

Differential Geometry · Mathematics 2020-05-06 Dibakar Dey , Pradip Majhi

The question of whether a Sasakian metric can admit an additional compatible (K-)contact structure is addressed. In the complete case if the second structure is also assumed Sasakian, works of Tachibana-Yu and Tanno show that the manifold…

Differential Geometry · Mathematics 2013-01-01 Tedi Draghici , Philippe Rukimbira

A contact 3-manifold $M$ admitting a transversal Ricci soliton $(g,v,\lambda)$ is either Sasakian or locally isometric to one of the Lie groups SU(2), $SL(2,R)$, E(2), E(1,1) with a left invariant metric.

Differential Geometry · Mathematics 2012-02-28 Jong Taek Cho

In this paper we study *-Conformal {\eta}-Ricci soliton on Sasakian manifolds. Here, we discuss some curvature properties on Sasakian manifold admitting *-Conformal {\eta}-Ricci soliton. We obtain some significant results on *-Conformal…

Differential Geometry · Mathematics 2021-05-18 Soumendu Roy , Santu Dey , Arindam Bhattacharyya , Shyamal Kumar Hui

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

The purpose of the paper is to study Yamabe solitons on three-dimensional para-Sasakian, paracosymplectic and para-Kenmotsu manifolds. Mainly, we proved that *If the semi-Riemannian metric of a three-dimensional para-Sasakian manifold is a…

Differential Geometry · Mathematics 2017-09-07 Irem Kupeli Erken

In this paper, we prove that a Sasakian pseudo-metric manifold which admits an $\eta-$Ricci soliton is an $\eta-$Einstein manifold, and if the potential vector field of the $\eta-$Ricci soliton is not a Killing vector field then the…

Differential Geometry · Mathematics 2021-03-10 Eftekhar Asgharzadeh , Morteza Faghfouri

Many authors have studied Ricci solitons and their analogs within the framework of (almost) contact geometry. In this article, we thoroughly study the $(m,\rho)$-quasi-Einstein structure on a contact metric manifold. First, we prove that if…

Differential Geometry · Mathematics 2020-10-30 Dhriti Sundar Patra , Vladimir Rovenski

We discuss the Sasakian geometry of odd dimensional homotopy spheres. In particular, we give a completely new proof of the existence of metrics of positive Ricci curvature on exotic spheres that can be realized as the boundary of a…

Differential Geometry · Mathematics 2007-05-23 Charles P. Boyer , Krzysztof Galicki , Michael Nakamaye

We prove the following results: (i) A Sasakian metric as a non-trivial Ricci soliton is null $\eta$-Einstein, and expanding. Such a characterization permits to identify the Sasakian metric on the Heisenberg group $\mathcal{H}^{2n+1}$ as an…

Differential Geometry · Mathematics 2015-06-17 Amalendu Ghosh , Ramesh Sharma

Almost contact complex Riemannian manifolds, also known as almost contact B-metric manifolds, are equipped with a pair of pseudo-Riemannian metrics that are mutually associated with each other using the tensor structure. Here we consider a…

Differential Geometry · Mathematics 2024-05-24 Mancho Manev

In this paper we study certain types of metrics such as Ricci soliton, $*$-conformal Ricci soliton in 3-dimensional trans-Sasakian manifold. First we have shown that a 3-dimensional trans-Sasakian manifold of type $(\alpha,\beta)$ admits a…

Differential Geometry · Mathematics 2021-06-22 Sumanjit Sarkar , Santu Dey , Arindam Bhattacharyya

The object of the present paper is to study some properties of 3-dimensional trans-Sasakian manifold whose metric is {\eta}-Yamabe soliton. We have studied here some certain curvature conditions of 3-dimensional trans-Sasakian manifold…

Differential Geometry · Mathematics 2020-11-10 Soumendu Roy , Santu Dey , Arindam Bhattacharyya

Almost contact complex Riemannian manifolds, known also as almost contact B-metric manifolds, are in principle equipped with a pair of mutually associated pseudo-Riemannian metrics. Each of these metrics is specialized here as a Yamabe…

Differential Geometry · Mathematics 2023-09-06 Mancho Manev

In this paper, we initiate the study of conformal $\eta$-Ricci soliton and almost conformal $\eta$-Ricci soliton within the framework of para-Sasakian manifold. We prove that if para-Sasakian metric admits conformal $\eta$-Ricci soliton,…

Differential Geometry · Mathematics 2022-09-14 Sumanjit Sarkar , Santu Dey , Arindam Bhattacharyya

The goal of the present paper is to deliberate certain types of metric such as $*$-$\eta$-Ricci-Yamabe soliton on $\alpha$-Cosymplectic manifolds with respect to quarter-symmetric metric connection. Further, we have proved some curvature…

Differential Geometry · Mathematics 2021-09-13 Soumendu Roy , Santu Dey , Arindam Bhattacharyya , Mohd. Danish Siddiqi

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 article we consider spherical hypersurfaces in $\mathbb C^2$ with a fixed Reeb vector field as 3-dimensional Sasakian manifolds. We establish the correspondence between three different sets of parameters, namely, those arising from…

Differential Geometry · Mathematics 2024-07-08 Daniel Sykes , Gerd Schmalz , Vladimir Ezhov

We study compatible toric Sasaki metrics with constant scalar curvature on co-oriented compact toric contact manifolds of Reeb type of dimension at least 5. These metrics come in rays of transversal homothety due to the possible rescaling…

Differential Geometry · Mathematics 2019-02-20 Eveline Legendre
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