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.

中文翻译：

---

Kohn Laplacian的Lichnerowicz–Obata定理的三个维度

我们在具有非负CR Paneitz算符和正Webster曲率的严格伪凸三流形上证明了Kohn Laplacian的Lichnerowicz型特征值估计的刚性。