Dihedral Rigidity of Parabolic Polyhedrons in Hyperbolic Spaces

@article{Li2020DihedralRO,
  title={Dihedral Rigidity of Parabolic Polyhedrons in Hyperbolic Spaces},
  author={Chaobo Li},
  journal={Symmetry Integrability and Geometry-methods and Applications},
  year={2020},
  volume={16},
  pages={099}
}
  • Chaobo Li
  • Published 24 July 2020
  • Mathematics
  • Symmetry Integrability and Geometry-methods and Applications
In this note, we establish the dihedral rigidity phenomenon for a collection of parabolic polyhedrons enclosed by horospheres in hyperbolic manifolds, extending Gromov's comparison theory to metrics with negative scalar curvature lower bounds. Our result is a localization of the positive mass theorem for asymptotically hyperbolic manifolds. We also motivate and formulate some open questions concerning related rigidity phenomenon and convergence of metrics with scalar curvature lower bounds. 
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