Results 111 to 120 of about 802,509 (175)

About rigidity of gradient almost Ricci Soliton

open access: yes, 2017
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESThis work is based on [1] and aims to show a result of rigidity for gradient almost Ricci soliton. We will prove that an almost Ricci soliton gradient with nonnegative scalar curvature,
Gomes, Maria Francisca de Sousa
core  

$\eta$-RICCI SOLITONS AND GRADIENT RICCI SOLITONS ON $\delta$- LORENTZIAN TRANS-SASAKIAN MANIFOLDS

open access: yes, 2021
The objective of the present research article is to study the $\delta$-Lorentzian trans-Sasakian manifolds conceding the $\eta$-Ricci solitons and gradient Ricci soliton.
Siddiqi, Mohd Danish, Akyol, Mehmet Akif
core   +1 more source

On the Potential Function of Gradient Steady Ricci Solitons [PDF]

open access: yesJournal of Geometric Analysis, 2011
A steady gradient Ricci soliton is a Riemannian manifold \((M,g)\) together with a real potential function \(f\) satisfying \(\text{Ric}+ \text{Hess\,}f= 0\). For a complete and noncompact \(M\), it is shown that the infimum of the potential function decays linearly. In particular it cannot be bounded unless it is constant.
openaire   +1 more source

The 3-dimensional steady gradient Ricci soliton [PDF]

open access: yes, 2008
In the first three chapters, we study the steady gradient soliton, especially the 3-dimensional soliton with positive sectional curvatures and which is k-noncollapsed on all scales.
Guo, Hongxin
core   +1 more source

Gradient Expanding Ricci Solitons Type Inequalities on Submanifolds in Quaternion Kaehler Manifolds with Bi-Slant Factor

open access: yesMathematics
In this article, we study the Ricci soliton on quaternion bi-slant submanifolds of quaternion Kaehler manifolds. We obtain a lower-bound-type inequality in terms of expanding gradient Ricci solitons with a gradient-type vector field for the quaternion bi-
Ali H. Hakami, Mohd Danish Siddiqi
doaj   +1 more source

Conformal Ricci Soliton in Lorentzian $\alpha $-Sasakian Manifolds

open access: yes, 2016
summary:In this paper we have studied conformal curvature tensor, conharmonic curvature tensor, projective curvature tensor in Lorentzian $\alpha $-Sasakian manifolds admitting conformal Ricci soliton. We have found that a Weyl conformally semi symmetric
BHATTACHARYYA, Arindam   +2 more
core   +1 more source

Solitonical Inequality on Submanifolds in Trans-Sasakian Manifolds Coupled with a Slant Factor

open access: yesAxioms
In this article, we study the Ricci soliton on slant submanifolds of trans-Sasakian manifolds with a quarter symmetric non-metric connection. Moreover, we derive a lower-bound-type inequality for the slant submanifolds of trans-Sasakian manifolds with a ...
Mohd Danish Siddiqi, Rawan Bossly
doaj   +1 more source

Ricci solitons gradient and Einstein manifolds with warped product métric

open access: yes, 2016
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESThis work is based on the articles [26] and [27], where we studied Einstein manifolds and gradient Ricci soliton with twisted product structure.
Batista, Elismar Dias
core  

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