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70 papers · 1 filter
Reconstructing f(R) theory according to holographic dark energy
Xing Wu, Zong-Hong Zhu
In this paper a connection between the holographic dark energy model and the theory is established. We treat the theory as an effective description for the holographi…
Dynamics of holographic vacuum energy in the DGP model
Xing Wu, Rong-Gen Cai, Zong-Hong Zhu
We consider the evolution of the vacuum energy in the DGP model according to the holographic principle under the assumption that the relation linking the IR and UV cut-offs still h…
Testing power-law cosmology with galaxy clusters
Zong-Hong Zhu, Ming Hu, J. S. Alcaniz +1
Power-law cosmologies, in which the cosmological scale factor evolves as a power law in the age, with $α\ga 1$, regardless of the matter content or cosmological epo…
Intrinsic Ultracontractivity on Riemannian Manifolds with Infinite Volume Measures
Feng-Yu Wang
By establishing the intrinsic super-Poincaré inequality, some explicit conditions are presented for diffusion semigroups on a non-compact complete Riemannian manifold to be intrins…
Transportation Cost Inequality on Path Spaces with Uniform Distance
Shizan Fang, Feng-Yu Wang, Bo Wu
Starting from a sequence of independent Wright-Fisher diffusion processes on , we construct a class of reversible infinite dimensional diffusion processes on $\DD_\infty:= \…
Harnack Inequality and Strong Feller Property for Stochastic Fast-Diffusion Equations
Wei Liu, Feng-Yu Wang
This paper presents analogous results for stochastic fast-diffusion equations. Since the fast-diffusion equation possesses weaker dissipativity than the porous medium one does, som…