Skip to main content

Zusammenfassung

Die in der Approximationstheorie so grundlegenden Sätze von Weierstraß können im algebraischen Fall durch die Ergebnisse von Ch. Müntz und D. Jackson verbessert werden:

Satz 1 (Ch. Müntz): Es seien P0, P1, ... reelle Zahlen mit 0≦P0<P1<...und\( \sum\limits_{i = 0}^s {{a_i}} {x^{pi}} \)ist genau dann dicht in C [0, 1] (bezüglich der Maximumsnorm\( \sum\limits_{i = 1}^\infty {1/{p_i} = \infty } \)ist.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 39.99
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 54.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Literaturverzeichnis

  1. N. I. Achieser, Vorlesungen über Approximationstheorie. Akademie Verlag, Berlin 1953.

    Google Scholar 

  2. E. W. Cheney, Introduction to Approximation Theory. McGraw-Hill, New York, 1966.

    Google Scholar 

  3. G. G. Lorentz, Approximation of Functions. Holt-Rinehart and Winston, New York 1966.

    Google Scholar 

  4. G. Meinardus, Approximation von Funktionen und ihre numerische Behandlung. Springer, Berlin 1964.

    Book  Google Scholar 

  5. P. O. Runck, Bemerkungen zu den Approximationssätzen von Jackson und Jackson-Timan. Diese Abhandlungen S. 303–308.

    Google Scholar 

  6. A. F. Timan, Theory of Approximation of Functions of a Real Variable. Hindustan Publ. Corp.(India), 1966 — Pergamon Press, Oxford 1963.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Editor information

P. L. Butzer B. Szőkefalvi-Nagy

Rights and permissions

Reprints and permissions

Copyright information

© 1969 Springer Basel AG

About this chapter

Cite this chapter

von Golitschek, M. (1969). Jackson-Sätze für Polynome \( \sum\limits_{i = 0}^s {{a_i}{x^{pi}}} \) . In: Butzer, P.L., Szőkefalvi-Nagy, B. (eds) Abstract Spaces and Approximation / Abstrakte Räume und Approximation. ISNM International Series of Numerical Mathematics / Internationale Schriftenreihe zur Numerischen Mathematik / Série Internationale D’Analyse Numérique, vol 10. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-5869-4_29

Download citation

  • DOI: https://doi.org/10.1007/978-3-0348-5869-4_29

  • Publisher Name: Birkhäuser, Basel

  • Print ISBN: 978-3-0348-5871-7

  • Online ISBN: 978-3-0348-5869-4

  • eBook Packages: Springer Book Archive

Publish with us

Policies and ethics