Some topological properties of stable norms.
J. Bastero Eleizalde, J. M. Mira Ros (1987)
Extracta Mathematicae
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J. Bastero Eleizalde, J. M. Mira Ros (1987)
Extracta Mathematicae
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Tadeusz Figiel, Ryszard Frankiewicz, Ryszard A. Komorowski, Czesław Ryll-Nardzewski (2003)
Studia Mathematica
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In this paper we make use of a new concept of φ-stability for Banach spaces, where φ is a function. If a Banach space X and the function φ satisfy some natural conditions, then X is saturated with subspaces that are φ-stable (cf. Lemma 2.1 and Corollary 7.8). In a φ-stable Banach space one can easily construct basic sequences which have a property P(φ) defined in terms of φ (cf. Theorem 4.5). This leads us, for appropriate functions φ, to new results on the existence...
Evarist Giné (1983)
Annales de l'I.H.P. Probabilités et statistiques
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Ryszard Graślewicz (1992)
Acta Universitatis Carolinae. Mathematica et Physica
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W. Krakowiak (1979)
Colloquium Mathematicae
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Alfred Tong, Donald Wilken (1971)
Studia Mathematica
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José A. Alvarez, Teresa Alvarez, Manuel González (1989)
Extracta Mathematicae
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J. Auslander, P. Seibert (1964)
Annales de l'institut Fourier
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Les auteurs étudient la notion de prolongement au sens de T. Ura et ses relations avec la notion d’ensembles positivement invariants. La stabilité au sens de Liapounoff est équivalente à l’invariance par prolongement. Les auteurs dégagent ensuite la notion de “prolongements abstraits” et les notions de stabilité correspondantes; la stabilité absolue (associée au prolongement minimal transitif) et la stabilité asymptotique jouent un rôle important.
Byunghan Kim, A. Pillay (2001)
Fundamenta Mathematicae
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We discuss various conjectures and problems around the issue of when and whether stable formulas are responsible for forking in simple theories. We prove that if the simple theory T has strong stable forking then any complete type is a nonforking extension of a complete type which is axiomatized by instances of stable formulas. We also give another treatment of the first author's result which identifies canonical bases in supersimple theories.
Ryznar, Michał, Żak, Tomasz (1998)
Electronic Communications in Probability [electronic only]
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