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Stability of cosmological solutions in F(R) Horava-Lifshitz gravity
cosmological solutions F(R) Horava-Lifshitz gravity
2010/12/23
At the present paper, it is studied cosmological solutions and its stability in the frame of F(R) Horava-Lifshitz gravity. The perturbations around general spatially flat FRW solutions are analyzed a...
Kinematic Self-Similar Solutions of Locally Rotationally Symmetric Spacetimes
Locally rotationally symmetric Self-similarity
2010/6/30
This paper contains locally rotationally symmetric kinematic self-similar perfect fluid and dust solutions. We consider three families of metrics which admit kinematic self-similar vectors of the firs...
Minimal data at a given point of space for solutions to certain geometric systems
geometric systems dimensional Riemannian manifold
2010/3/17
We consider a geometrical system of equations for a three dimensional Riemannian manifold. This system of equations has been constructed as to include several physically interesting systems of equatio...
Exact wormhole solutions, while eagerly sought after, often have the appearance of being overly specialized or highly artificial. A case for the possible existence of wormholes would be more compellin...