Direct and inverse theorems on the approximation of 2π -periodic functions by Taylor – Abel – Poisson operators

• Datum: 2017
• Hauptverfasser: Prestin, J., Savchuk, V. V., Shydlich, A. L., Престін, Ю., Савчук, В. В., Шидліч, А. Л.
• Format: Artikel
• Sprache: Ukrainisch
• Veröffentlicht: Institute of Mathematics, NAS of Ukraine 2017
• Online Zugang: https://umj.imath.kiev.ua/index.php/umj/article/view/1725
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

We obtain direct and inverse theorems on the approximation of 2\pi -periodic functions by Taylor – Abel – Poisson operators in the integral metric.