Integral representation of vector measures and linear operations
N. Dinculeanu (1965)
Studia Mathematica
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N. Dinculeanu (1965)
Studia Mathematica
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A. Kamiński (1984)
Studia Mathematica
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A. Ionescu-Tulcea, C. Ionescu-Tulcea (1964)
Annales de l'institut Fourier
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Soient un espace localement compact une mesure de Radon positive sur et l’algèbre des fonctions réelles bornées t -mesurables définies sur . Pour , on écrit si et coïncident localement presque partout. On appelle relèvement de toute représentation de l’algèbre dans l’algèbre transformant 1 en 1 et telle que: et si . Un relèvement de est dit fort si pour toute . Les principaux résultats de cet article sont les théorèmes 1, 2, 3, 4. Les théorèmes...
Piotr Niemiec (2012)
Annales Polonici Mathematici
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A topological space Y is said to have (AEEP) if the following condition is satisfied: Whenever (X,) is a measurable space and f,g: X → Y are two measurable functions, then the set Δ(f,g) = x ∈ X: f(x) = g(x) is a member of . It is shown that a metrizable space Y has (AEEP) iff the cardinality of Y is not greater than .
C. Ionescu-Tulcea, R. Maher (1971)
Annales de l'institut Fourier
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Let be a locally compact space. A lifting of where is a positive measure on , is almost strong if for each bounded, continuous function , and coincide locally almost everywhere. We prove here that the set of all measures on such that there exists an almost strong lifting of is a band.
Solomon Schwartzman (1960)
Annales de l'institut Fourier
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Soit un espace mesurable de mesure finie ; une application vérifiant pour chaque ensemble mesurable . On donne des conditions nécessaires et suffisantes pour que soit un ensemble ergodique.
Maciej Malicki (2008)
Fundamenta Mathematicae
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This paper is devoted to the following question. Suppose that a Polish group G has the property that some non-empty open subset U is covered by finitely many two-sided translates of every other non-empty open subset of G. Is then G necessarily locally compact? Polish groups which do not have the above property are called strongly non-locally compact. We characterize strongly non-locally compact Polish subgroups of in terms of group actions, and prove that certain natural classes of...
Kenneth Kellum (1973)
Fundamenta Mathematicae
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Gord Sinnamon (1994)
Studia Mathematica
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The classical level function construction of Halperin and Lorentz is extended to Lebesgue spaces with general measures. The construction is also carried farther. In particular, the level function is considered as a monotone map on its natural domain, a superspace of . These domains are shown to be Banach spaces which, although closely tied to spaces, are not reflexive. A related construction is given which characterizes their dual spaces.
Władysław Orlicz, Stanisław Szufla (1984)
Studia Mathematica
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