Interpolation by elliptic functions

被引:0
作者
Biro, Andras [1 ]
机构
[1] Hungarian Acad Sci, A Renyi Inst Math, Budapest, Hungary
关键词
elliptic functions; interpolation;
D O I
10.1080/17476930801996312
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The starting point of this article is an unpublished result of G. Halasz stating that if Omega subset of C is a fixed lattice, there are n >= 3 given points (s(i), 1 <= i <= n) different modulo Omega and there are given values w(i) is an element of C, then there is a function f elliptic with respect to Omega of order at most n - 1 such that f(s(i)) = w(i) for 1 <= i <= n. We prove that if n >= 6, then under the obvious necessary condition there is no 1 <= j <= n such that w(i) = w for every i not equal j, 1 <= i <= n, but w(j) not equal w with some w is an element of C, one can improve the upper bound n - 1 for the order of f, i.e. one can give an interpolating f of order at most n - 2.
引用
收藏
页码:691 / 707
页数:17
相关论文
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  • [1] Siegel C. L., 1988, ELLIPTIC FUNCTIONS U, VI