Displaying similar documents to “ L P -uniqueness for infinite dimensional symmetric Kolmogorov operators : the case of variable diffusion coefficients”

Further pseudodifferential operators generating Feller semigroups and Dirichlet forms.

Niels Jacob (1993)

Revista Matemática Iberoamericana

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We prove for a large class of symmetric pseudo differential operators that they generate a Feller semigroup and therefore a Dirichlet form. Our construction uses the Yoshida-Hille-Ray Theorem and a priori estimates in anisotropic Sobolev spaces. Using these a priori estimates it is possible to obtain further information about the stochastic process associated with the Dirichlet form under consideration.