Generalizations of the theorem of de Montessus to two-variable approximants

Author:

Abstract

A new proof of the theorem of de Montessus is given which does not depend upon the assumption of normality of the power series from which the Padé approximants are formed. The study is extended to sequences of approximants to double series, generalizations of Padé approximants. Several generalizations of the theorem of de Montessus to these sequences are stated and proved.

Publisher

The Royal Society

Subject

Pharmacology (medical)

Reference4 articles.

1. B aker G. A. 1965 A dv. theor. P hys. 1 1.

2. Chisholm J . S. R . 1973a Pade A pproxim ants and Their Applications (ed. P. R . Graves-Morris) p. 11. L o ndon: Academ ic Press.

3. 6. R atio n al appro x im an ts defined from double power series;Chisholm J .;Comp.,1973

4. Rational approximants defined from power series in N variables

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