English

The Lichnerowicz--Obata theorem for the Kohn Laplacian in three dimensions

Differential Geometry 2020-06-11 v1 Analysis of PDEs Complex Variables

Abstract

We prove rigidity for the Lichnerowicz-type eigenvalue estimate for the Kohn Laplacian on strictly pseudoconvex three-manifolds with nonnegative CR Paneitz operator and positive Webster curvature.

Keywords

Cite

@article{arxiv.2006.05950,
  title  = {The Lichnerowicz--Obata theorem for the Kohn Laplacian in three dimensions},
  author = {Jeffrey S. Case and Paul Yang},
  journal= {arXiv preprint arXiv:2006.05950},
  year   = {2020}
}

Comments

6 pages