We review the brief history about the characterization of CR and almost CR manifolds with nonproper action of the automorphism group. We also review the recent result ([11]) on characterizing almost CR manifolds with contracting automorphisms with a sketch of proof.

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Nonproper Action of Automorphism Groups on Almost CR Manifolds

  • Jae-Cheon Joo

摘要

We review the brief history about the characterization of CR and almost CR manifolds with nonproper action of the automorphism group. We also review the recent result ([11]) on characterizing almost CR manifolds with contracting automorphisms with a sketch of proof.