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Spectrally determined growth is generic
Authors:Michael Renardy
Affiliation:Department of Mathematics, Virginia Tech, Blacksburg, Virginia 24061-0123
Abstract:Let $A$ be the infinitesimal generator of a $C_0$-semigroup of operators in a Hilbert space. We consider the class of operators $A+B$, where $B$ is bounded. It is proved that the spectrum of $A+B$ determines the growth of the associated semigroup for ``most" operators $B$ (in the sense of Baire category).

Keywords:Linear stability  semigroups of operators
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