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On the connection between the exponential stability of C0-semigroups and the admissibility of a certain Sobolev space
Authors:Constantin Chilarescu   Alin Pogan  Ciprian Preda
Affiliation:Department of Mathematics, West University of Timi"Image"oara, Parvan, No. 4, 300 223, Timi"Image"oara, Romania
Abstract:Let T be a strongly continuous semigroup on a Banach space X and A its infinitesimal generator. We will prove that T is exponentially stable, if and only if, there exist p[1,∞) such that the space is admissible to the system Σ(A,I,I), defined below (i.e for all f belonging to the Sobolev space the convolution T*f lies in .
Keywords:C0-semigroup   Exponential stability   Admissibility
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