Log-Harnack inequality for Gruschin type semigroups

Feng-Yu Wang, Lihu Xu
2014 Revista matemática iberoamericana  
By constructing a coupling in two steps and using the Girsanov theorem under a regular conditional probability, the log-Harnack inequality is established for a large class of Gruschin type semigroups whose generator might be both degenerate and non-Lipschitz. (2010) : Primary 60J75; Secondary 60J45. Mathematics Subject Classification
doi:10.4171/rmi/786 fatcat:74ergiipjvgh3fswg2qjtffteu