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Related papers: Real hypersurfaces with $^{*}$-Ricci solitons of n…

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Let $M$ be a real hypersurface of a complex space form $M^n(c)$, $c\neq 0$. Suppose that the structure vector field $\xi$ of $M$ is an eigen vector field of the Ricci tensor $S$, $S\xi=\beta\xi$, $\beta$ being a function. We study on $M$, a…

Differential Geometry · Mathematics 2021-10-20 Mayuko Kon

A Ricci soliton $(M,g,v,\lambda)$ on a Riemannian manifold $(M,g)$ is said to have concurrent potential field if its potential field $v$ is a concurrent vector field. Ricci solitons arisen from concurrent vector fields on Riemannian…

Differential Geometry · Mathematics 2014-10-21 Bang-Yen Chen , Sharief Deshmukh

This paper focuses on the study of three dimensional real hypersurfaces in non-flat complex space forms whose $^{*}$-Ricci tensor satisfies conditions of parallelism. More precisely, extension of existing results concerning real…

Differential Geometry · Mathematics 2016-01-14 Georgios Kaimakamis , Konstantina Panagiotidou

In this article, we get classification theorems for a Ricci soliton on the pseudo-Riemannian hypersurface of the Minkowski space $\mathbb{E}^4_1$ taking the potential vector field as the tangent component of the position vector of the…

Differential Geometry · Mathematics 2022-01-26 Burcu Bektaş Demirci

We establish an inequality among the Ricci curvature, the squared mean curvature, and the normal curvature for real hypersurfaces in complex space forms. We classify real hypersurfaces in two-dimensional non-flat complex space forms which…

Differential Geometry · Mathematics 2018-05-25 Toru Sasahara

In this paper, we study hypersurfaces in the product spaces $\mathbb{Q}_{\epsilon}^3 \times \mathbb{R}$ for which the tangential component $T$ of the vector field $\frac{\partial}{\partial t}$ is a principal direction, where…

Differential Geometry · Mathematics 2025-08-19 Ahmet Umut Çoraplı , Burcu Bektaş Demirci , Nurettin Cenk Turgay

In this work we perform a general study of properties of a class of locally symmetric embedded hypersurfaces in spacetimes admitting a $1+1+2$ spacetime decomposition. The hypersurfaces are given by specifying the form of the Ricci tensor…

General Relativity and Quantum Cosmology · Physics 2022-04-06 Abbas M Sherif , Peter K S Dunsby , Rituparno Goswami

The objective of this paper is to deepen the study of vector fields on hyperbolic spaces $\mathbb{H}^n$ that transform them into a Ricci-Bourguignon soliton. Starting from a recent work in \cite{bousso2025ricci} which characterizes these…

Differential Geometry · Mathematics 2025-10-15 Mafal Ndiaye Diop , Abdou Bousso , Cheikh Khoule , Ameth Ndiaye

In this paper we prove that a nonflat K\"{a}hler-Ricci soliton of the Ricci flow on a complex two-dimensional K\"{a}hler manifold with nonnegative holomorphic bisectional curvature can not be of maximal volume growth.

Differential Geometry · Mathematics 2007-05-23 Bing-Long Chen , Xi-Ping Zhu

Based on a well-known fact that there are no Einstein hypersurfaces in a non-flat complex space form, in this article we study the quasi-Einstein condition, which is a generalization of an Einstein metric, on the real hyersurface of a…

Differential Geometry · Mathematics 2019-09-04 Xiaomin Chen

We introduce the notion of commuting Ricci tensor for real hypersurfaces in the complex quadric $Q^m = SO_{m+2}/SO_mSO_2$ . It is shown that the commuting Ricci tensor gives that the unit normal vector field $N$ becomes $\frak A$-principal…

Differential Geometry · Mathematics 2016-05-04 Young Jin Suh , Doo Hyun Hwang

We classify real hypersurfaces in complex space forms with constant principal curvatures and whose Hopf vector field has two nontrivial projections onto the principal curvature spaces. In complex projective spaces such real hypersurfaces do…

Differential Geometry · Mathematics 2009-11-19 Jose Carlos Diaz-Ramos , Miguel Dominguez-Vazquez

A Lie hypersurface in the complex hyperbolic space is an orbit of a cohomogeneity one action without singular orbit. In this paper, we classify Ricci soliton Lie hypersurfaces in the complex hyperbolic spaces.

Differential Geometry · Mathematics 2013-05-28 Takahiro Hashinaga , Akira Kubo , Hiroshi Tamaru

A Ricci soliton $(M^n,g,v,\lambda)$ on a Riemannian manifold $(M^n,g)$ is said to have concurrent potential field if its potential field $v$ is a concurrent vector field. In the first part of this paper we completely classify Ricci solitons…

Differential Geometry · Mathematics 2014-07-11 Bang-Yen Chen , Sharief Deshmukh

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 article, we introduce the notion of star-Ricci tensors in the real hypersurfaces of complex quadric $Q^m$. It is proved that there exist no Hopf hypersurfaces in $Q^m,m\geq3$, with commuting star-Ricci tensor or parallel star-Ricci…

Differential Geometry · Mathematics 2017-10-31 Xiaomin Chen

In this paper the result of real hypersurfaces in non-flat complex space forms, whose structure vector field $\xi$ belongs to the $\kappa$-nullity distribution is extended in case of three dimensional real hypersurfaces in non-flat complex…

Differential Geometry · Mathematics 2016-01-15 Konstantina Panagiotidou

Let $\overline{M}^{n+1}$ be a semi-Riemannian manifold of constant sectional curvature, and endowed with a conformal vector field . Consider a Riemannian manifold $M^n$, isometrically immersed into $\overline{M}^{n+1}$. With these…

Differential Geometry · Mathematics 2022-02-01 Jose N. V. Gomes , Joao F. B. Pereira , Dragomir M. Tsonev

The goal of the current paper is to characterize $*$-$k$-Ricci-Yamabe soliton within the framework on Kenmotsu manifolds. Here, we have shown the nature of the soliton and find the scalar curvature when the manifold admitting…

Differential Geometry · Mathematics 2021-11-22 Santu Dey , Soumendu Roy

The non-existence of three dimensional real hypersurfaces in non-flat complex space forms with parallel *-Ricci tensor is proved.At the end of the papaer ideas for further research on *-Ricci tensor are provided.

Differential Geometry · Mathematics 2014-01-28 Georgios Kaimakamis , Konstantina Panagiotidou
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