English

Asymptotic estimates on the time derivative of $\Phi$-entropy on Riemannian manifolds

Differential Geometry 2011-08-12 v2

Abstract

In this note, we obtain the asymptotic estimate for the time derivative of the Φ\Phi-entropy in terms of the lower bound on the Bakry-Emery Γ2\Gamma_2 curvature. In the cases of Hyperbolic space and Heisenberg group, we show that the time derivative of the Φ\Phi-entropy is non-increasing, and we also get sharp asymptotic bound for the time derivative of the entropy in the Heisenberg group.

Keywords

Cite

@article{arxiv.1104.3204,
  title  = {Asymptotic estimates on the time derivative of $\Phi$-entropy on Riemannian manifolds},
  author = {Bin Qian},
  journal= {arXiv preprint arXiv:1104.3204},
  year   = {2011}
}

Comments

This paper has been withdrawn by the author since we will modify it deeply