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Approximation by trigonometric polynomials in variable exponent Morrey spaces   
Yazarlar
 Vagıf GULIYEV Vagıf GULIYEV
Kırşehir Ahi Evran Üniversitesi, Türkiye
Arash Ghorbanalizadeh
Institute for Advanced Studies in Basic Sciences, Zanjan, Iran
Yoshihiro Sawano
RUDN University, Russian Federation
Özet
We investigate the direct and inverse theorems for trigonometric polynomials in the Morrey space Mp(·),λ(·) with variable exponents. For this space, we obtain estimates of the K-functional in terms of the modulus of smoothness and the Bernstein type inequality for trigonometric polynomials.
Anahtar Kelimeler
Bernstein inequality | Steklov operator | Trigonometric polynomial | Variable exponent Morrey spaces
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale
Dergi Adı Analysis and Mathematical Physics
Dergi ISSN 1664-2368
Dergi Grubu Q1
Makale Dili İngilizce
Basım Tarihi 09-2019
Cilt No 9
Sayı 3
Sayfalar 1265 / 1285
Doi Numarası 10.1007/s13324-018-0231-y