Abstract
Boundedness and stability of the Markov processes associated with a semilinear stochastic evolution equation is studied by the Liapunov method. Sufficient conditions for existence and uniqueness of invariant measures are also given. As preliminaries ihe Feller property relative io the weak topology, Ito's iormuia lor mild solutions and continuity of sample paths are examined. An extension to the local Lipschitz nonlinearities is then discussed For illustration three examples are included.

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