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math.DG2014★ 4 cited
Minkowski formulae and Alexandrov theorems in spacetime
Mu-Tao Wang, Ye-Kai Wang, Xiangwen Zhang
The classical Minkowski formula is extended to spacelike codimension-two submanifolds in spacetimes which admit "hidden symmetry" from conformal Killing-Yano two-forms. As an appli…
math.DG2014
On Isometric Embeddings into Anti-de Sitter Space-times
Ye-Kai Wang, Chen-Yun Lin
We show that any metric on with Gauss curvature admits a -isometric embedding into the hyperbolic space with sectional curvature . We also give a suf…