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The strong Feller property for singular stochastic PDEs

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 Added by Martin Hairer
 Publication date 2016
  fields Physics
and research's language is English




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We show that the Markov semigroups generated by a large class of singular stochastic PDEs satisfy the strong Feller property. These include for example the KPZ equation and the dynamical $Phi^4_3$ model. As a corollary, we prove that the Brownian bridge measure is the unique invariant measure for the KPZ equation with periodic boundary conditions.



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