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Lyapunov-type conditions for non-strong ergodicity of Markov processes
Published online by Cambridge University Press: 25 February 2021
Abstract
We present Lyapunov-type conditions for non-strong ergodicity of Markov processes. Some concrete models are discussed, including diffusion processes on Riemannian manifolds and Ornstein–Uhlenbeck processes driven by symmetric $\alpha$-stable processes. In particular, we show that any process of d-dimensional Ornstein–Uhlenbeck type driven by $\alpha$-stable noise is not strongly ergodic for every $\alpha\in (0,2]$.
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- © The Author(s), 2021. Published by Cambridge University Press on behalf of Applied Probability Trust