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**Zentralblatt MATH**

**Publications of (and about) Paul Erdös**

**Zbl.No: ** 159.35603

**Autor: ** Erdös, Pál

**Title: ** Problems and results on the convergence and divergence properties of the Lagrange interpolation polynomials and some extremal problems (In English)

**Source: ** Mathematica, Cluj 10(33), 65-73 (1968).

**Review: ** This paper discusses the present knowledge of the convergence and divergence properties of the Lagrange interpolation polynomials. In addition, several unsolved problems are mentioned and possible solutions suggested. Likewise, a few unpublished results are given.

**Reviewer: ** R.Huffstutler

**Classif.: ** * 41A05 Interpolation

00A07 Problem books

**Index Words: ** approximation and series expansion

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