Approximation of functions from the Sobolev space by algebraic polynomials

• Datum: 1992
• Hauptverfasser: Konovalov , V. N., Коновалов , В. Н.
• Format: Artikel
• Sprache: Russisch
• Veröffentlicht: Institute of Mathematics, NAS of Ukraine 1992
• Online Zugang: https://umj.imath.kiev.ua/index.php/umj/article/view/7956
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

A theorem that asserts the simultaneous approximation of functions and their derivatives by means of algebraic polynomials is established for the Sobolev spaces ω∞r(Ω).