TY - JOUR T1 - Comparison Principles for Some Fully Nonlinear Sub-Elliptic Equations on the Heisenberg Group AU - Li , Yanyan AU - Wang , Bo JO - Analysis in Theory and Applications VL - 3 SP - 312 EP - 334 PY - 2019 DA - 2019/04 SN - 35 DO - http://doi.org/10.4208/ata.OA-0010 UR - https://global-sci.org/intro/article_detail/ata/13118.html KW - Comparison principle, subellipticity, CR invariance, Heisenberg group, propagation of touching points. AB -

In this paper, we prove a form of the strong comparison principle for a class of fully nonlinear subelliptic operators of the form $\nabla^2_{H,s}\psi + L(\cdot,\psi,\nabla_{H}\psi)$ on the Heisenberg group, which include the CR invariant operators.