A quasi-local mass for 2-spheres with negative Gauss curvature
General Relativity and Quantum Cosmology
2015-05-13 v1 Astrophysics
Differential Geometry
Abstract
We extend our previous definition of quasi-local mass to 2-spheres whose Gauss curvature is negative and prove its positivity.
Cite
@article{arxiv.0711.3243,
title = {A quasi-local mass for 2-spheres with negative Gauss curvature},
author = {Xiao Zhang},
journal= {arXiv preprint arXiv:0711.3243},
year = {2015}
}
Comments
10 pages, Science in China, Series A: Math, to appear