We consider general Markov processes with absorption and provide criteria ensuring the exponential convergence in total variation of the distribution of the process conditioned not to be absorbed. The first one is based on two-sided estimates on the transition kernel of the process and the second one on gradient estimates on its semigroup. We apply these criteria to multi-dimensional diffusion processes in bounded domains of ℝd or in compact Riemannian manifolds with boundary, with absorption at the boundary.
CITATION STYLE
Champagnat, N., Coulibaly-Pasquier, K. A., & Villemonais, D. (2018). Criteria for Exponential Convergence to Quasi-Stationary Distributions and Applications to Multi-Dimensional Diffusions. In Lecture Notes in Mathematics (Vol. 2215, pp. 165–182). Springer Verlag. https://doi.org/10.1007/978-3-319-92420-5_5
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