Invariant measures and maximal L2 regularity for nonautonomous Ornstein-Uhlenbeck equations |
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Authors: | Geissert Matthias; Lunardi Alessandra |
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Institution: | FB Mathematik Schlossgartenstr. 7 TU Darmstadt 64289 Darmstadt Germany |
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Abstract: | We characterize the domain of the realizations of a linear parabolicoperator defined in L2 spaces with respect to a suitable measurethat is invariant for the associated evolution semigroup. Asa byproduct, we obtain optimal L2 regularity results for evolutionequations with time-dependant Ornstein–Uhlenbeck operators. |
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