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gr-qc2019★ 1 cited
On limit behavior of quasi-local mass for ellipsoids at spatial infinity
Xiaokai He, Leong-Fai Wong, Naqing Xie
We discuss the spatial limit of the quasi-local mass for certain ellipsoids in an asymptotically flat static spherically symmetric spacetime. These ellipsoids are not nearly round…
math.GT2019
Thurston's sphere packings on 3-dimensional manifolds, I
Xiaokai He, Xu Xu
Thurston's sphere packing on a 3-dimensional manifold is a generalization of Thusrton's circle packing on a surface, the rigidity of which has been open for many years. In this pap…