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math.PR2017
Subgeometric Rates of Convergence for Discrete Time Markov Chains under Discrete Time Subordination
Chang-Song Deng
In this note, we are concerned with the subgeometric rate of convergence of a Markov chain with discrete time parameter to its invariant measure in the -norm. We clarify how thr…
math.PR2017
Log-Harnack Inequalities for Markov Semigroups Generated by Non-Local Gruschin Type Operators
Chang-Song Deng, Shao-Qin Zhang
Based on coupling in two steps and the regularization approximations of the underlying subordinators, we establish log-Harnack inequalities for Markov semigroups generated by a cla…