A deviation inequality for non-reversible Markov processes

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Abstract

Using the dissipative criterion of Lumer–Philips for the contraction semigroup, we get in this Note a new deviation inequality for 0tV(Xs)ds by means of the symmetrized Dirichlet form. A more explicit version is obtained in the case where the logarithmic Sobolev inequality holds.

Résumé

Par le critère de dissipativité de Lumer–Philips pour la contractivité de semigroupes, on obtient une inégalité nouvelle de déviation pour 0tV(Xs)ds via la forme de Dirichlet symmetrisée. Une expression plus explicite est obtenue dans le cas où l'inégalité de Sobolev logarithmique est vraie.

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