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Rademacher multiplicator spaces equal to
Authors:Serguei V. Astashkin   Guillermo P. Curbera
Affiliation:Department of Mathematics and Mechanics, Samara State University, ul. Akad. Pavlova 1, 443011 Samara, Russia ; Facultad de Matemáticas, Universidad de Sevilla, Aptdo. 1160, Sevilla 41080, Spain
Abstract:Let $ X$ be a rearrangement invariant function space on [0,1]. We consider the Rademacher multiplicator space $ Lambda(mathcal{R},X)$ of measurable functions $ x$ such that $ xcdot hin X$ for every a.e. converging series $ h=sum a_nr_nin X$, where $ (r_n)$ are the Rademacher functions. We characterize the situation when $ Lambda(mathcal{R},X)= L^infty$. We also discuss the behaviour of partial sums and tails of Rademacher series in function spaces.

Keywords:Rademacher functions   rearrangement invariant space
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