Yau’s Gradient Estimate and Liouville Theorem for Positive Pseudoharmonic Functions in a Complete Pseudohermitian manifold

Jingzhi Tie

http://www.birs.ca/events/2015/5-day-workshops/15w5074/videos/watch/201510191633-Tie.html

Birs- 15w5074: Harmonic Analysis, $\overline{\partial}$, and CR Geometry