Abstract
Given a Banach space X and a probability space (Ω, Σ, μ), we characterize the countable additivity of the Dunford integral for Dunford integrable functions taking values in X as those weakly measurable functions f:Ω→X for which {x*f:x*∈B X*} is relatively weakly compact in some separable Orlicz space L ϕ(μ). We also provide a characterization of the Pettis integral of Dunford integrable functions by mean of weak compactness in separable Orlicz spaces and give a necessary and sufficient condition for the uniform integrability of {xf:x∈B x }, whenever f:Ω→X* is Gel’fand integrable.
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© 2009 Birkhäuser Verlag Basel/Switzerland
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Barcenas, D., Finol, C.E. (2009). On Vector Measures, Uniform Integrability and Orlicz Spaces. In: Curbera, G.P., Mockenhaupt, G., Ricker, W.J. (eds) Vector Measures, Integration and Related Topics. Operator Theory: Advances and Applications, vol 201. Birkhäuser Basel. https://doi.org/10.1007/978-3-0346-0211-2_4
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DOI: https://doi.org/10.1007/978-3-0346-0211-2_4
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