Log-Harnack Inequality for Gruschin Type Semigroups
arXiv:1206.0583
Abstract
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-Lipschitzian.
arXiv comment14 pages
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