Skip to main content
Log in

Pál-type Birkhoff interpolation on nonuniformly distributed points

  • Published:
Numerical Algorithms Aims and scope Submit manuscript

Abstract

We study here the regularity of certain Pál-type interpolation problems involving the mth roots of unity along with an additional point ζ and the nth roots of unity. We determine the largest domains for ζ which ensure the regularity of the problems.

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

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. M.A. Bokhari, H.P. Dikshit, and A. Sharma, Birkhoff interpolation on some perturbed roots of unity: Revisited, Numer. Algorithms 25 (2000) 47–62.

    Article  Google Scholar 

  2. A.S. Cavaretta Jr., A. Sharma and R.S. Varga, Hermite–Birkhoff interpolation in the nth roots of unity, Trans. Amer. Math. Soc. 259 (1980) 621–628.

    Google Scholar 

  3. W. Chen and A. Sharma, Lacunary interpolation on some non-uniformly distributed nodes on the unit circle, Ann. Univ. Sci. Budapest (Sectio Computatorica) 16 (1996) 69–82.

    Google Scholar 

  4. M.G. de Bruin and H.P. Dikshit, Birkhoff interpolation on nonuniformly distributed points, J. Indian Math. Soc. 69(1–4) (2002) 81–101.

    Google Scholar 

  5. M.G. de Bruin, H.P. Dikshit and A. Sharma, Birkhoff interpolation on unity and Möbius transform of the roots of unity, Numer. Algorithms 23 (2000) 115–125.

    Article  Google Scholar 

  6. M.G. de Bruin, A. Sharma and J. Szabados, Birkhoff-type interpolation on perturbed roots of unity, in: Approximation Theory in Memory of A.K. Varma, eds. N.K. Govil, R.N. Mohapatra, Z. Nashed, A. Sharma and J. Szabados (Marcel Dekker, New York, 1998) pp. 167–179.

    Google Scholar 

  7. O. Ki \u{s} , Notes on interpolation, Acta Math. Acad. Sci. Hungar. 11 (1960) 49–64 ( in Russian).

  8. G.G. Lorentz, S.D. Riemenschneider and K. Jetter, Birkhoff Interpolation (Addison-Wesley, Reading, MA, 1983).

    Google Scholar 

  9. S.D. Riemenschneider and A. Sharma, Birkhoff interpolation at the nth roots of unity: Convergence, Canadian J. Math. 33 (1981) 362–371.

    Google Scholar 

  10. X. Shen, Introduction to a new class of interpolants: Birkhoff interpolation in the complex plane, Adv. in Math. (China) 8 (1989) 412–432 (in Chinese, English summary).

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to M. G. de Bruin.

Additional information

Communicated by C. Brezinsky

AMS subject classification

41A05

Rights and permissions

Reprints and permissions

About this article

Cite this article

de Bruin, M.G., Dikshit, H.P. Pál-type Birkhoff interpolation on nonuniformly distributed points. Numer Algor 40, 1–16 (2005). https://doi.org/10.1007/s11075-005-1516-4

Download citation

  • Received:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11075-005-1516-4

Keywords

Navigation