Comparison geometry for integral Bakry-\'Emery Ricci tensor bounds
Differential Geometry
2018-03-29 v6
Abstract
We prove mean curvature and volume comparison estimates on smooth metric measure spaces when their integral Bakry-\'{E}mery Ricci tensor bounds, extending Wei-Wylie's comparison results to the integral case. We also apply comparison results to get diameter estimates, eigenvalue estimates and volume growth estimates on smooth metric measure spaces with their normalized integral smallness for Bakry-\'{E}mery Ricci tensor. These give generalizations of some work of Petersen-Wei, Aubry, Petersen-Sprouse, Yau and more.
Cite
@article{arxiv.1610.03926,
title = {Comparison geometry for integral Bakry-\'Emery Ricci tensor bounds},
author = {Jia-Yong Wu},
journal= {arXiv preprint arXiv:1610.03926},
year = {2018}
}
Comments
36 pages; more explanation for the proof of Theorem 1.6, to appear in J. Geom. Anal