This is a preview of subscription content, log in via an institution to check access.
Literature
Freud, G.: On weighted polynomial approximation by polynomials on the real line [Russian]. Doklady Akad. Nauk SSSR191, 293–294 (1970).
Freud, G.: On a Markov-type inequality, [Russian]. Doklady Akad. Nauk SSSR197, 790–793 (1971).
Freud, G.: On polynomial approximation with the weight\(e^{ - x^2 /2}\) [Russian] Doklady Akad. Nauk. SSSR, in print.
Freud, G.: On two polynomial inequalities, I. Acta Math. Acad. Sci. Hung.22, 109–116 (1971).
Freud, G.: On two polynomial inequalities, II. Acta Math. Acad. Sci. Hung., in print.
Freud, G.: A contribution to the problem of weighted polynomial approximation ISNM vol. 20. “Linear operators and approximation theory”, Conference report, Oberwolfach 1970. Editors: P.L. Butzer J.P. Kahane and B. Sz.-Nagy. Basel: Birkhäuser Verl. 1972.
Freud, G., Popov, V.: On approximation by spline functions. Proceedings of the conference on Constructive Theory of functions (Budapest, 1969). Editors: G. Alexits and S. B. Steckin. Budapest: Akadémia Kiadó 1972.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Freud, G. On direct and converse theorems in the theory of weighted polynomial approximation. Math Z 126, 123–134 (1972). https://doi.org/10.1007/BF01122319
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01122319