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Zbl 1096.46011
Altay, B.; Başar, F.
Some Euler sequence spaces of nonabsolute type. (English)
[J] Ukr. Mat. Zh. 57, No. 1, 3-17 (2005) and Ukr. Math. J. 57, No. 1, 1-17 (2005). ISSN 0041-6053

The present paper is devoted to spaces of real sequences which are transformed by an infinite matrix corresponding to the Euler summation method into convergent sequences or those tending to zero. For both kinds of sequences and, correspondingly, for both spaces, the authors construct Schauder bases and find the conjugate spaces. The infinite matrices transforming the above spaces into $l_p$, $c$, etc., are found. Earlier, similar results were obtained for other summation methods; see [{\it P.--N.\ Ng} and {\it P.--Y.\ Lee}, Commentat.\ Math.\ 20, 429--433 (1978; Zbl 0408.46012); {\it E.~Malkowsky}, Mat.\ Vesn.\ 49, No.~2, 187--196 (1997; Zbl 0942.40006)].
[Anatoly N. Kochubei (Ky\"iv)]

MSC 2000:: *46B45 Banach sequence spaces
40C05 Matrix methods in summability
40H05 Functional analytic methods in summability

Keywords: sequence space; Euler summation method; infinite matrix; Schauder basis

Citations: Zbl 0408.46012; Zbl 0942.40006

Cited in: Zbl 1236.46015 Zbl 1246.46007 Zbl 1132.46011

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