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Cesàro sequence spaces. (English) Zbl 0568.46006
We introduce two classes of sequence spaces, namely, \(X_ p\) (1\(\leq p\leq \infty)\) the space of all sequences x such that \(Cx\in \ell_ p\) and \(cse_ p\) \((1<p<\infty)\) the space of all sequences x such that \(C| x| \in \ell_ p\) where C is a Cesàro matrix. We characterize among others the dual spaces of these sequence spaces and give two applications to matrix transformations and function spaces respectively.

MSC:
46A45 Sequence spaces (including Köthe sequence spaces)
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