ArticleOriginal scientific text
Title
Zeros of Padé approximants for some classes of functions
Authors 1
Affiliations
- Institute of Mathematics, Bulgarian Academy of Sciences, BG-1090 Sofia, Bulgaria
Abstract
In the present paper, we deal with functions whose coefficients satisfy a special smoothness condition. Theorems concerning the asymptotic behaviour as π_{n,m}!$! are provided. As a consequence, results concerning the limiting distribution of the zeros are deduced.
Bibliography
- G. A. Baker, Essentials of Padé Approximants, Academic Press, New York, 1975.
- A. Edrei, E. B. Saff and R. S. Varga, Zeros of Sections of Power Series, Springer Verlag, Lecture Notes in Mathematics, Vol. 1002, Berlin, 1983.
- R. K. Kovacheva and E. B. Saff (1993), Zeros of Padé Approximants for Entire Functions with Smooth Maclaurin Coefficients, to appear in J. of Approx. Th. (1993).
- D. S. Lubinsky, Uniform Convergence of Rows of Padé Table for Functions with Smooth Maclaurin Coefficients, Constr. Approx. 3 (1987), 307-330.
- O. Perron, Die Lehre von den Kettenbruechen, 3rd ed., Chelsea Pub., New York, 1957.
- E. B. Saff and R. S. Varga, On Zeros and Poles of Padé Approximants to
, Numer. Math. 25 (1975), 1-14.