Estimates of approximation characteristics of classes $B^{\Omega}_{p,\theta}$ of periodic functions of several variables with given majorant of the mixed modulo of continuity

• Datum: 2013
• Hauptverfasser: Konograi, A. F., Fedunyk-Yaremchuk, O. V., Конограй, А. Ф., Федуник-Яремчук, О. В.
• Format: Artikel
• Sprache: Ukrainisch
• Veröffentlicht: Інститут математики НАН України 2013
• Online Zugang: https://trim.imath.kiev.ua/index.php/trim/article/view/103
• Назва журналу: Transactions of Institute of Mathematics of NAS of Ukraine

We obtain exact order estimates of approximation of classes $B^{\Omega}_{p,\theta}$ of periodic functions of several variables in the space $L_q$ by using linear operators subjected to some conditions for some means of parametres $p$ and $q$