Flat Lightlike Hypersurfaces in Lorentz-Minkowski 4-space

  • Shyuichi Izumiya, Carmen Romero Fuster, Kentaro Saji
  • Published 2017


The lightlike hypersurfaces in Lorentz-Minkowski space are of special interest in Relativity Theory. In particular, the singularities of these hypersurfaces provide good models for the study of different horizon types. We introduce the notion of flatness for these hypersurfaces and study their singularities. The classification result asserts that a generic… (More)

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