93 citations · 106 across the 8 of their papers we have counts for
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math.FA2008★ 2 cited
Weakly and almost weakly stable C_0-semigroups
Tanja Eisner, Balint Farkas, Rainer Nagel +1
In this paper we survey results concerning the asymptotic properties of C_0-semigroups on Banach spaces with respect to the weak operator topology. The property "no eigenvalues of…
math.AP2008★ 1 cited
On a class of hypoelliptic operators with unbounded coefficients in ${\matbb R}^N$
B. Farkas, L. Lorenzi
We consider a class of non-trivial perturbations of the degenerate Ornstein-Uhlenbeck operator in . In fact we perturb both the diffusion and the drif…