We consider the synchronization of the Einstein’s flow with the Ricci-flow of the standard spatial slices of the Robertson–Walker space–time and show that associated perfect fluid solution has a quadratic equation of state and is either spherical and collapsing, or hyperbolic and expanding. Read More: http://www.worldscientific.com/doi/abs/10.1142/S021988781650069
We study renormalization-group flows by deforming a class of conformal sigma-models. We consider ove...
Multidimensional cosmological model describing the evolution of a fluid with shear and bulk viscosit...
Exact solutions with an exponential behaviour of the scale factors are considered in a multidimensio...
The Ricci tensor of a Robertson\u2013Walker (RW) space-time is here specified by requiring constancy...
Title and content 0 Introduction iii 0.1 Geometric evolution equations of parabolic type iii 0....
In 1982, Richard S. Hamilton formulated Ricci flow along manifolds of three dimensions of positive R...
In Riemannian geometry, the Ricci flow is the analogue of heat diffusion; a deformation of the metri...
We show that Hamilton's Ricci flow and the static Einstein vacuum equations are closely connected by...
In this work, the problem of constructing geometric flow equations that preserve Einstein field equa...
Ricci flow spacetimes were introduced by Kleiner & Lott as a way to describe Ricci flow through sing...
In this article, we study small perturbations of the family of Friedmann-Lemaître-Robertson-Walker c...
We give new necessary and sufficient conditions on the Weyl tensor for generalized Robertson-Walker ...
In this thesis extended Ricci flow systems, which are obtained by coupling Ricci flow to the harmoni...
Recently, a new cosmological framework, dubbed Ricci cosmology, has been proposed. Such a framework ...
A framework of quantum spacetime reference frame is proposed and reviewed, in which the quantum spac...
We study renormalization-group flows by deforming a class of conformal sigma-models. We consider ove...
Multidimensional cosmological model describing the evolution of a fluid with shear and bulk viscosit...
Exact solutions with an exponential behaviour of the scale factors are considered in a multidimensio...
The Ricci tensor of a Robertson\u2013Walker (RW) space-time is here specified by requiring constancy...
Title and content 0 Introduction iii 0.1 Geometric evolution equations of parabolic type iii 0....
In 1982, Richard S. Hamilton formulated Ricci flow along manifolds of three dimensions of positive R...
In Riemannian geometry, the Ricci flow is the analogue of heat diffusion; a deformation of the metri...
We show that Hamilton's Ricci flow and the static Einstein vacuum equations are closely connected by...
In this work, the problem of constructing geometric flow equations that preserve Einstein field equa...
Ricci flow spacetimes were introduced by Kleiner & Lott as a way to describe Ricci flow through sing...
In this article, we study small perturbations of the family of Friedmann-Lemaître-Robertson-Walker c...
We give new necessary and sufficient conditions on the Weyl tensor for generalized Robertson-Walker ...
In this thesis extended Ricci flow systems, which are obtained by coupling Ricci flow to the harmoni...
Recently, a new cosmological framework, dubbed Ricci cosmology, has been proposed. Such a framework ...
A framework of quantum spacetime reference frame is proposed and reviewed, in which the quantum spac...
We study renormalization-group flows by deforming a class of conformal sigma-models. We consider ove...
Multidimensional cosmological model describing the evolution of a fluid with shear and bulk viscosit...
Exact solutions with an exponential behaviour of the scale factors are considered in a multidimensio...
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