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Original Articles

Derivative Formula and Harnack Inequality for SDEs Driven by Lévy Processes

Pages 30-49 | Received 11 May 2013, Accepted 19 Aug 2013, Published online: 09 Dec 2013
 

Abstract

By using lower bound conditions of the Lévy measure, derivative formulae and Harnack inequalities are derived for linear stochastic differential equations driven by Lévy processes. As applications, explicit gradient estimates and heat kernel inequalities are presented. As byproduct, a new Girsanov theorem for Lévy processes is derived.

AMS Subject Classification:

Acknowledgments

The author would like to thank the referee and Dr. Jian Wang for corrections and useful comments.

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