On approximation by Nörlund and Riesz submethods in variable exponent lebesgue spaces
Author(s) -
Ug̃ur Deg̃er
Publication year - 2017
Publication title -
communications faculty of science university of ankara series a1mathematics and statistics
Language(s) - English
Resource type - Journals
ISSN - 1303-5991
DOI - 10.1501/commua1_0000000829
Subject(s) - mathematics , monotonic function , lp space , riesz potential , lebesgue's number lemma , pure mathematics , lebesgue integration , standard probability space , exponent , variable (mathematics) , degree (music) , series (stratigraphy) , mathematical analysis , banach space , operator theory , riemann integral , physics , fourier integral operator , linguistics , philosophy , paleontology , acoustics , biology
. In this study the results on the degree of approximation by the Norlund and the Riesz submethods of the partial sums of their Fourier series of functions where in the variable exponent Lebesgue spaces are given by weakening the monotonicity conditions of sequences in the submethods. Therefore the results given in G¸ven and Israfilov (2010) are generalized according to · both the monotonicity conditions and both the methods.
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