Results 111 to 120 of about 240 (146)

Dynamical Boson Stars. [PDF]

open access: yesLiving Rev Relativ, 2012
Liebling SL, Palenzuela C.
europepmc   +1 more source

Ricci Solitons on Spacelike Hypersurfaces of Generalized Robertson–Walker Spacetimes

open access: yes
In this paper, we investigate Ricci solitons on spacelike hypersurfaces in a special Lorentzian warped product manifold, the so-called generalized Robertson–Walker (GRW) spacetimes.
Norah Alshehri, Mohammed Guediri
core   +1 more source

Einstein manifolds and Ricci solitons with warped product structure

open access: yes, 2015
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESIn this thesis, primarily, we studied warped products semi-Riemannian Einstein manifolds.
Sousa, Márcio Lemes de
core  

Conformal Ricci solitons and related integrability conditions [PDF]

open access: yesAdvances in Geometry, 2016
Abstract We introduce, in the Riemannian setting, the notion of conformal Ricci soliton, which includes as particular cases Einstein manifolds, conformal Einstein manifolds and (generic and gradient) Ricci solitons. We provide necessary integrability conditions for the existence of these structures that also recover, in the corresponding
Giovanni Catino   +2 more
exaly   +6 more sources

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