Constructive Approximation

, Volume 9, Issue 1, pp 111–119 | Cite as

Extremal measures for a system of orthogonal polynomials

  • Theodore S. Chihara
  • Mourad E. H. Ismail


We characterize the extremal measures of an indeterminate moment problem associated with a system of orthogonal polynomials defined by a three-term recurrence relation.

AMS classification

Primary 33D45 Secondary 30E05 

Key words and phrases

Orthogonal polynomials Al-Salam-Chihara polynomials Indeterminate moment problems Extremal measures 


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Copyright information

© Springer-Verlag New York Inc 1993

Authors and Affiliations

  • Theodore S. Chihara
    • 1
  • Mourad E. H. Ismail
    • 2
  1. 1.Department of Mathematics, Computer Science, and StatisticsPurdue University CalumetHammondUSA
  2. 2.Department of MathematicsUniversity of South FloridaTampaUSA

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