Skip to main content

On the convergence of limit periodic continued fractions K(an/1), where a1 → −1/4

  • Convergence Theory
  • Conference paper
  • First Online:
Rational Approximation and Interpolation

Part of the book series: Lecture Notes in Mathematics ((LNM,volume 1105))

Abstract

It is well known that the continued fraction K(an/1), where an → −1/4, converges, provided |an+1/4| ≦ 1/16n(n+1) for all n. We show that the constant 1/16 is best possible in the sense that if an=−1/4 – c/n(n+1), where c>1/16 then K(an/1) diverges by oscillation.

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 44.99
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 59.00
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.

References

  1. Jones, W.B. and Thron, W.J., Convergence of continued fractions, Canad. J. Math. 20 (1968), 1037–1055.

    Article  MathSciNet  MATH  Google Scholar 

  2. Jones, W.B. and Thron, W.J., Continued Fractions: Analytic Theory and Applications, Encyclopedia of Mathematics and Its Applications, v.11, Addison-Wesley, Reading, MA, 1980.

    Google Scholar 

  3. Leighton, W. and Thron, W.J., Continued fractions with comlex elements, Duke Math. J. 9 (1942), 763–772.

    Article  MathSciNet  MATH  Google Scholar 

  4. Paydon, J.F. and Wall, H.S., The continued fraction as a sequence of linear transformations, Duke Math. J. 9 (1942), 360–372.

    Article  MathSciNet  MATH  Google Scholar 

  5. Perron, O., Die Lehre von den Kettenbrüchen, 3 Auflage Band II, Teubner, Stuttgart, 1957.

    Google Scholar 

  6. Pringsheim, A., Über die Knovergenzkriterien für Kettenbrüche mit komplexen Gliedern, Sb. Münch. 35 (1905).

    Google Scholar 

  7. Scott, W.T. and Wall, H.S., A convergence theorem for continued fractions, Trans. Amer. Math. Soc. 47 (1940), 155–172.

    Article  MathSciNet  MATH  Google Scholar 

  8. Szasz, O., Über die Erhaltung der Konvergenz unendlicher Kettenbrüche bei independenter Veränderlichkeit aller ihrer Elemente, J. f. Math. 147 (1917), 132–160.

    MATH  Google Scholar 

  9. Thron, W.J., On parabolic convergence regions for continued fractions, Math. Z. 69 (1958), 173–182.

    Article  MathSciNet  MATH  Google Scholar 

  10. Thron, W.J. and H. Waadeland, Accelerating convergence of limit periodic continued fractions K(an/1), Numer. Math. 34 (1980), 155–170.

    Article  MathSciNet  MATH  Google Scholar 

  11. Thron, W.J. and H. Waadeland, On a certain transformation of continued fractions, Lecture Notes in Math. 932 (1982), 225–240, Springer-Verlag.

    Article  MathSciNet  MATH  Google Scholar 

  12. Waadeland, H., Tales about tails, to appear in Proc. Amer. Math. Soc.

    Google Scholar 

  13. Worpitzky, J., Untersuchungen über die Entwiklung der monodromen und monogenen Funktionen durch Kettenbrüche, Friedrichs—Gymnasium und Realschule Jahresbereicht (1865), 3–39, Berlin.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Editor information

Peter Russell Graves-Morris Edward B. Saff Richard S. Varga

Rights and permissions

Reprints and permissions

Copyright information

© 1984 Springer-Verlag

About this paper

Cite this paper

Jacobsen, L., Magnus, A. (1984). On the convergence of limit periodic continued fractions K(an/1), where a1 → −1/4. In: Graves-Morris, P.R., Saff, E.B., Varga, R.S. (eds) Rational Approximation and Interpolation. Lecture Notes in Mathematics, vol 1105. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0072415

Download citation

  • DOI: https://doi.org/10.1007/BFb0072415

  • Published:

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-13899-0

  • Online ISBN: 978-3-540-39113-5

  • eBook Packages: Springer Book Archive

Publish with us

Policies and ethics