-spectrum of Ornstein-Uhlenbeck operators
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Giorgio Metafune (2001)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Hans Kretschmer, Hans Triebel (1976)
Czechoslovak Mathematical Journal
Hans Triebel (1973)
Czechoslovak Mathematical Journal
Yves Meyer (2001/2002)
Séminaire Bourbaki
Jens Frehse (1978)
Mathematische Annalen
George D. Raikov (1990/1991)
Séminaire de théorie spectrale et géométrie
André Unterberger, Julianne Unterberger (1982)
Journées équations aux dérivées partielles
Pierre Grisvard (1971)
Séminaire Jean Leray
Littlejohn, L.L., Zettl, A. (2007)
ETNA. Electronic Transactions on Numerical Analysis [electronic only]
Winfried Kaballo, D. Vogt (1980)
Manuscripta mathematica
Roman Lávička (2000)
Commentationes Mathematicae Universitatis Carolinae
We shall prove the following statements: Given a sequence in a Banach space enjoying the weak Banach-Saks property, there is a subsequence (or a permutation) of the sequence such that whenever belongs to the closed convex hull of the set of weak limit points of . In case has the Banach-Saks property and is bounded the converse assertion holds too. A characterization of reflexive spaces in terms of limit points and cores of bounded sequences is also given. The motivation for the...
Neil S. Trudinger (1973)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Michał Kowalski (1976)
Annales Polonici Mathematici
Günther Greiner (1989)
Semigroup forum
Bernard Malgrange (1977/1978)
Séminaire Bourbaki
Ernst Albrecht, M. Neumann (1982)
Manuscripta mathematica
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