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EN
We characterize the strict convexity of Besicovitch-Musielak-Orlicz spaces of almost periodic functions, when it is equipped with the Orlicz norm. It is shown that this property is equivalent to the strict convexity of the Musielak-Orlicz function generating the space.
EN
We introduce the new class of Besicovitch-Musielak-Orlicz spaces of almost periodic functions B'a.p..The uniform convexity of this space is characterized in terms of it’s generating functional [fi]
3
Content available remote Uniformly non-[formula] Besicovitch-Orlicz space of almost periodic functions
EN
We consider uniformly non-[formula] property of the Besicovitch-Orlicz space of almost periodic functions. It is shownthat this property is equivalent to the reflexivity of this space.
EN
In the present paper, we give criteria for the k-convexity of the Besicovitch-Orlicz space of almost periodic functions. Namely,it is shown that k-convexity is equivalent to strict convexity and reflexivity of this space in the case of Luxemburg norm.
5
Content available remote On uniform convexity and modular approximation in the Weyl-Orlicz spaces
EN
Uniform convexity is well characterized in Orlicz spaces for both the Luxemburg and Orlicz norms [2], [3], [4] and in Besicovitch-Orlicz spaces of almost periodic functions for the Luxemburg norm [7]. The existence problem of the projection operator on closed convex subsets was considered in [5] in the case of Orlicz spaces, and in [8] in the case of Besicovitch-Orlicz space of almost periodic functions. In this paper we characterize the uniform convexity property in the Weyl-Orlicz spaces of almost periodic functions (W^a.p.) under the Luxemburg norm. Next this result is used to state the existence of the projection operator on complete convex subsets of W^a.p.
6
Content available remote On strict convexity of the Weyl-Orlicz space of almost periodic functions
EN
Abstract. In [2], T.R. Hillmann investigated some structural and topo-logical properties of the Besicovitch-Orlicz space (and others like as the Stepanoff and Weyl-Orlicz spaces) and his subspaces of almost periodic functions. In [3], we characterized the strict and uniform convexity of this space. In this paper, the strict convexity property is characterized in the Weyl-Orlicz space of almost periodic functions
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