Radon-Nikodym property for vector-valued integrable functions

Surjit Singh Khurana

Displaying similar documents to “Radon-Nikodym property for vector-valued integrable functions”

On vector valued measure spaces of bounded $Φ$ -variation containing copies of $ℓ_{\infty}$

María J. Rivera (2001)

Czechoslovak Mathematical Journal

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Given a Young function $Φ$ , we study the existence of copies of $c_{0}$ and $ℓ_{\infty}$ in ${c a b v}_{Φ} (μ, X)$ and in ${c a b s v}_{Φ} (μ, X)$ , the countably additive, $μ$ -continuous, and $X$ -valued measure spaces of bounded $Φ$ -variation and bounded $Φ$ -semivariation, respectively.

On Vitali-Hahn-Saks-Nikodym type theorems

Barbara T. Faires (1976)

Annales de l'institut Fourier

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A Boolean algebra $𝒜$ has the interpolation property (property (I)) if given sequences $(a_{n})$ , $(b_{m})$ in $𝒜$ with $a_{n} \leq b_{m}$ for all $n, m$ , there exists an element $b$ in $𝒜$ such that $a_{n} \leq b \leq b_{n}$ for all $n$ . Let $𝒜$ denote an algebra with the property (I). It is shown that if $(μ_{n} : 𝒜 \to X)$ ( $X$ a Banach space) is a sequence of strongly additive measures such that ${lim}_{n} μ_{n} (a)$ exists for each $a \in 𝒜$ , then $μ (a) = {lim}_{n} μ_{n} (a)$ defines a strongly additive map from $𝒜$ to $X$ the $μ_{n}^{'} s$ are uniformly strongly additive. The Vitali-Hahn-Saks (VHS) theorem for strongly additive...

On some ergodic properties for continuous and affine functions

Charles J. K. Batty (1978)

Annales de l'institut Fourier

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Two problems posed by Choquet and Foias are solved: (i) Let $T$ be a positive linear operator on the space $C (X)$ of continuous real-valued functions on a compact Hausdorff space $X$ . It is shown that if $n^{- 1} \sum_{r = 0}^{n - 1} T^{r} 1$ converges pointwise to a continuous limit, then the convergence is uniform on $X$ . (ii) An example is given of a Choquet simplex $K$ and a positive linear operator $T$ on the space $A (K)$ of continuous affine real-valued functions on $K$ , such that $\inf {(T^{n} 1) (x) : n \geq} < 1$ for each...

Copies of $ℓ_{\infty}$ in the space of Pettis integrable functions with integrals of finite variation

Juan Carlos Ferrando (2012)

Studia Mathematica

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Let (Ω,Σ,μ) be a complete finite measure space and X a Banach space. We show that the space of all weakly μ-measurable (classes of scalarly equivalent) X-valued Pettis integrable functions with integrals of finite variation, equipped with the variation norm, contains a copy of $ℓ_{\infty}$ if and only if X does.

A note on almost strong liftings

C. Ionescu-Tulcea, R. Maher (1971)

Annales de l'institut Fourier

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Let $X$ be a locally compact space. A lifting $ρ$ of $M_{R}^{\infty} (X, μ)$ where $μ$ is a positive measure on $X$ , is almost strong if for each bounded, continuous function $f$ , $ρ (f)$ and $f$ coincide locally almost everywhere. We prove here that the set of all measures $μ$ on $X$ such that there exists an almost strong lifting of $M_{R}^{\infty} (X, | μ |)$ is a band.

Algebraic genericity of strict-order integrability

Luis Bernal-González (2010)

Studia Mathematica

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We provide sharp conditions on a measure μ defined on a measurable space X guaranteeing that the family of functions in the Lebesgue space $L^{p} (μ, X)$ (p ≥ 1) which are not q-integrable for any q > p (or any q < p) contains large subspaces of $L^{p} (μ, X)$ (without zero). This improves recent results due to Aron, García, Muñoz, Palmberg, Pérez, Puglisi and Seoane. It is also shown that many non-q-integrable functions can even be obtained on any nonempty open subset of X, assuming that X is a topological...

Displaying similar documents to “Radon-Nikodym property for vector-valued integrable functions”

On vector valued measure spaces of bounded Φ -variation containing copies of ℓ ∞

On Vitali-Hahn-Saks-Nikodym type theorems

On some ergodic properties for continuous and affine functions

Copies of ℓ ∞ in the space of Pettis integrable functions with integrals of finite variation

A note on almost strong liftings

Algebraic genericity of strict-order integrability

On vector valued measure spaces of bounded $Φ$ -variation containing copies of $ℓ_{\infty}$

Copies of $ℓ_{\infty}$ in the space of Pettis integrable functions with integrals of finite variation