Addendum to "Lineability and spaceability of vector-measure spaces" (Studia Math. 219 (2013), 155-161)
Giuseppina Barbieri, Francisco J. García-Pacheco, Daniele Puglisi (2014)
Studia Mathematica
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Giuseppina Barbieri, Francisco J. García-Pacheco, Daniele Puglisi (2014)
Studia Mathematica
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S. Okada, W. J. Ricker, L. Rodríguez-Piazza (2002)
Studia Mathematica
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A characterization is given of those Banach-space-valued vector measures m with finite variation whose associated integration operator Iₘ: f ↦ ∫fdm is compact as a linear map from L¹(m) into the Banach space. Moreover, in every infinite-dimensional Banach space there exist nontrivial vector measures m (with finite variation) such that Iₘ is compact, and other m (still with finite variation) such that Iₘ is not compact. If m has infinite variation, then Iₘ is never compact.
L. Rodríguez-Piazza (1995)
Studia Mathematica
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We prove that the range of a vector measure determines the σ-finiteness of its variation and the derivability of the measure. Let F and G be two countably additive measures with values in a Banach space such that the closed convex hull of the range of F is a translate of the closed convex hull of the range of G; then F has a σ-finite variation if and only if G does, and F has a Bochner derivative with respect to its variation if and only if G does. This complements a result of [Ro] where...
Bogdan Rzepecki (1980)
Annales Polonici Mathematici
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Susumu Okada, Werner J. Ricker, Luis Rodríguez-Piazza (2011)
Studia Mathematica
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Given a vector measure m with values in a Banach space X, a desirable property (when available) of the associated Banach function space L¹(m) of all m-integrable functions is that L¹(m) = L¹(|m|), where |m| is the [0,∞]-valued variation measure of m. Closely connected to m is its X-valued integration map Iₘ: f ↦ ∫f dm for f ∈ L¹(m). Many traditional operators from analysis arise as integration maps in this way. A detailed study is made of the connection between the property L¹(m) = L¹(|m|)...
Lech Drewnowski (1993)
Studia Mathematica
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It is shown that if (S,∑,m) is an atomless finite measure space and X is a Banach space without the Radon-Nikodym property, then the quotient space cabv(∑,m;X)/L¹(m;X) is nonseparable.
Greim, Peter
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Kadets, V., Vladimirskaya, O. (1998)
Serdica Mathematical Journal
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It is proved that a Banach space X has the Lyapunov property if its subspace Y and the quotient space X/Y have it.
L. Rodríguez-Piazza, M. Romero-Moreno (1997)
Studia Mathematica
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We characterize some properties of a vector measure in terms of its associated Kluvánek conical measure. These characterizations are used to prove that the range of a vector measure determines these properties. So we give new proofs of the fact that the range determines the total variation, the σ-finiteness of the variation and the Bochner derivability, and we show that it also determines the (p,q)-summing and p-nuclear norm of the integration operator. Finally, we show that Pettis derivability...
Ján Haluška (1991)
Acta Universitatis Carolinae. Mathematica et Physica
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