Hostname: page-component-76fb5796d-r6qrq Total loading time: 0 Render date: 2024-04-29T02:07:12.798Z Has data issue: false hasContentIssue false

An extension of Müntz's theorems in multivariables

Published online by Cambridge University Press:  17 April 2009

Shirô Ogawa
Affiliation:
The Faculty of Engineering, Kobe University, Nada-ku, Kobe 657, Japan.
Kazuaki Kitahara
Affiliation:
The Graduate School of Science and Technology, Kobe University, Nada-ku, Kobe 657, Japan.
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Müntz's theorems give necessary and sufficient conditions for a sequence of powers in one variable to be complete in the spaces of all real-valued continuous functions or square integrable functions with the usual norms.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1987

References

[1]Cheney, E.W., Introduction to Approximation Theory, (McGraw Hill, New York, 1966).Google Scholar
[2]Davis, P.J., Interpolation and Approximation, (Blaisdell Publishing Company, New York-Pronto-London, 1963).Google Scholar
[3]Feinerman, R.P. and Newman, D.J., Polynomial Approximation, (The Willams and Wilkins Company, Baltimore, 1974).Google Scholar
[4]Müntz, C., “Über den Approximationssatz von Weierstrass”, H. A. Schwarz Festschrift, Mathematische Abhandlungen, (Berlin, 1914), 303312.Google Scholar
[5]Watson, G.A., Approximation Theory and Numerical Methods, (John Wiley and Sons Ltd, Chichester-New York-Brisbane-Toronto, 1980).Google Scholar