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The Bartle-Dunford-Schwartz and the Dinculeanu-Singer theorems revisited | Fernando Muñoz
; Eve Oja
; Cándido Piñeiro
; | Date: |
21 Dec 2016 | Abstract: | Let $X$ and $Y$ be Banach spaces and let $Omega$ be a compact Hausdorff
space. Denote by $mathcal{C}_{p}(Omega,X)$ the space of $p$-continous
$X$-valued functions, $1leq pleq infty$. For operators
$Sinmathcal{L}(mathcal{C}(Omega),mathcal{L}(X,Y))$ and
$Uinmathcal{L}(mathcal{C}_{p}(Omega,X),Y)$, we establish integral
representation theorems with respect to a vector measure $m:Sigma
ightarrow
mathcal{L}(X,Y^{**})$, where $Sigma$ denotes the $sigma$-algebra of Borel
subsets of $Omega$. The first theorem extends the classical
Bartle-Dunford-Schwartz representation theorem. It is used to prove the second
theorem, which extends the classical Dinculeanu-Singer representation theorem,
also providing to it an alternative simpler proof. For the latter (and the
main) result, we build the needed integration theory, relying on a new concept
of the $q$-semivariation, $1leq qleq infty$, of a vector measure
$m:Sigma
ightarrow mathcal{L}(X,Y^{**})$. | Source: | arXiv, 1612.7312 | Services: | Forum | Review | PDF | Favorites |
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