Spectral inclusions and stability results for strongly continuous semigroups.
Elkoutri, Abdelkader, Taoudi, Mohamed Aziz (2003)
International Journal of Mathematics and Mathematical Sciences
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Elkoutri, Abdelkader, Taoudi, Mohamed Aziz (2003)
International Journal of Mathematics and Mathematical Sciences
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Rainer Nagel (1997)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Charles Batty, Zdzisław Brzeźniak, David Greenfield (1996)
Studia Mathematica
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Let T be a semigroup of linear contractions on a Banach space X, and let . Then is the annihilator of the bounded trajectories of T*. If the unitary spectrum of T is countable, then is the annihilator of the unitary eigenvectors of T*, and for each x in X.
Ivo Marek (1980)
Czechoslovak Mathematical Journal
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Vũ Phóng (1997)
Banach Center Publications
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This paper is chiefly a survey of results obtained in recent years on the asymptotic behaviour of semigroups of bounded linear operators on a Banach space. From our general point of view, discrete families of operators on a Banach space X (discrete one-parameter semigroups), one-parameter -semigroups on X (strongly continuous one-parameter semigroups), are particular cases of representations of topological abelian semigroups. Namely, given a topological abelian semigroup S, a family...
Fuensanta Andreu Vaíllo, José Manuel Mazón Ruiz (1990)
Publicacions Matemàtiques
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In this paper we get some relations between the boundary point spectrum of the generator A of a C-semigroup and the generator A* of the dual semigroup. This relations combined with the results due to Lyubich-Phong and Arendt-Batty, yield stability results on positive C-semigroups.
Fragnelli, Genni (2003)
Abstract and Applied Analysis
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