Markov-type inequalities for polynomials with restricted zeros

被引：2
|
作者：
Halász, G [1 ]
机构：
[1] Eotvos Lorand Univ, Dept Anal, Budapest, Hungary
[2] Hungarian Acad Sci, Inst Math, Budapest, Hungary
来源：
JOURNAL OF APPROXIMATION THEORY | 1999年 / 101卷 / 01期
关键词：
polynomials; Markov inequalities; harmonic and subharmonic functions;
D O I：
10.1006/jath.1999.3363
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Upper bounds of the exact order of magnitude in n are given for max(-1 less than or equal to x less than or equal to 1)\p'(x)\/max(-1 less than or equal to x less than or equal to 1)\p(x)\ for polynomials p of degree n, free of zeros in certain regions containing the interval (-1, 1). (C) 1999 Academic Press.
引用
收藏
页码：148 / 155
页数：8
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