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Basic topological and geometric properties of Cesàro--Orlicz spaces

Yunan Cui, Henryk Hudzik, Narin Petrot, Suthep Suantai, Alicja Szymaszkiewicz

math.FAarXiv:math/0607730

Abstract

Necessary and sufficient conditions under which the Cesàro--Orlicz sequence space is nontrivial are presented. It is proved that for the Luxemburg norm, Cesàro--Orlicz spaces have the Fatou property. Consequently, the spaces are complete. It is also proved that the subspace of order continuous elements in can be defined in two ways. Finally, criteria for strict monotonicity, uniform monotonicity and rotundity (= strict convexity) of the spaces are given.

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