Abstract
Let H be a separable real Hilbert space (norm \( \left|\cdot\right|\), inner product \( \left\langle{\cdot,\cdot}\right\rangle\)). We are given a linear operator \(A:D\left( A \right) \subset H \to H \) such that HYPOTHESIS 1.1.
-
(i)
A is self-adjoint and there exists ω > 0 such that
$$ \left\langle {Ax,x} \right\rangle \leqslant - \omega {\left| x \right|^2}, x \in D(A). $$(1.1)
-
(ii)
A −1 is of trace class.
Dedicated to Philippe Bénilan
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Da Prato, G. (2003). A new regularity result for Ornstein-Uhlenbeck generators and applications. In: Arendt, W., Brézis, H., Pierre, M. (eds) Nonlinear Evolution Equations and Related Topics. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-7924-8_26
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