On the pointwise strong approximation by (C,1)(E,1) means
Włodzimierz Łenski ; Bogdan Roszak
Banach Center Publications, Tome 83 (2008), p. 113-117 / Harvested from The Polish Digital Mathematics Library
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We present an estimate of the (C,1)(E,1)-strong means with mixed powers of the Fourier series of a function f∈L2π as a generalization of the result obtained by M. Yildrim and F. Karakus. Some corollaries on the norm approximation are also given.

Publié le : 2008-01-01
EUDML-ID : urn:eudml:doc:282311 
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     author = {W\l odzimierz \L enski and Bogdan Roszak},
     title = {On the pointwise strong approximation by (C,1)(E,1) means},
     journal = {Banach Center Publications},
     volume = {83},
     year = {2008},
     pages = {113-117},
     zbl = {1215.42005},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc79-0-8}
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Włodzimierz Łenski; Bogdan Roszak. On the pointwise strong approximation by (C,1)(E,1) means. Banach Center Publications, Tome 83 (2008) pp. 113-117. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc79-0-8/