Results 101 to 110 of about 301,190 (180)

On the blow-up of four-dimensional Ricci flow singularities [PDF]

open access: yes, 2013
textIn 2002, Feldman, Ilmanen, and Knopf constructed the first example of a non-trivial (i.e. non-constant curvature) complete non-compact shrinking soliton, and conjectured that it models a Ricci flow singularity forming on a closed four-manifold.
Máximo Alexandrino Nogueira, Davi
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D-Homothetically Deformed Kenmotsu Metric as a Ricci Soliton

open access: yesAnnales Mathematicae Silesianae, 2019
In this paper we study the nature of Ricci solitons in D-homo-thetically deformed Kenmotsu manifolds. We prove that η -Einstein Kenmotsu metric as a Ricci soliton remains η -Einstein under D-homothetic deformation and the scalar curvature remains ...
Kumar D.L. Kiran, Nagaraja H.G., Venu K.
doaj   +1 more source

Ricci solitons on almost Kenmotsu 3-manifolds

open access: yesOpen Mathematics, 2017
Let (M3, g) be an almost Kenmotsu 3-manifold such that the Reeb vector field is an eigenvector field of the Ricci operator. In this paper, we prove that if g represents a Ricci soliton whose potential vector field is orthogonal to the Reeb vector field ...
Wang Yaning
doaj   +1 more source

Genelleştirilen Kenmotsu manifoldlarda ricci soliton

open access: yes, 2014
Bu tezde genelleştirilen Kenmotsu uzay formunun tanımı yapılarak genelleştirilen Kenmotsu uzay formunda Ricci Solitonlar ile ilgili temel teorem ve sonuçlar ispatlandı.In this thesis, generalized Kenmotsu space form is defined, and some theorems and ...
AYŞE AYHAN
core   +1 more source

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
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