Multiplicity of zeros of polynomials

被引:1
作者
Totik, Vilmos [1 ]
机构
[1] Univ Szeged, Bolyai Inst, MTA SZTE Anal & Stochast Res Grp, Aradi V Tere 1, H-6720 Szeged, Hungary
关键词
Multiplicity of zeros; Polynomials; Potential theory;
D O I
10.1016/j.jat.2021.105594
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Sharp bounds are given for the highest multiplicity of zeros of polynomials in terms of their norm on Jordan curves and arcs. The results extend a theorem of Erdos and Turan and solve a problem of them from 1940. (C) 2021 Elsevier Inc. All rights reserved.
引用
收藏
页数:19
相关论文
共 19 条
[11]  
POMMERENKE Ch, 1992, GRUNDLEHREN MATH WIS, V299
[12]  
Ransford T., 1995, Potential Theory in the Complex Plane, V28
[13]  
Saff E. B., 1997, GRUNDLEHREN MATH WIS, V316
[14]  
Schiefermayr K., 2008, E J APPROX, V14, P65
[15]  
Totik V, 2007, ACTA SCI MATH, V73, P593
[16]   Chebyshev Polynomials on Compact Sets [J].
Totik, Vilmos .
POTENTIAL ANALYSIS, 2014, 40 (04) :511-524
[17]  
Totik V, 2012, P AM MATH SOC, V140, P3531
[18]  
WALSH JL, 1960, AM MATH SOC C PUBLIC, V20
[19]   EXTREMAL POLYNOMIALS ASSOCIATED WITH A SYSTEM OF CURVES IN COMPLEX PLANE [J].
WIDOM, H .
ADVANCES IN MATHEMATICS, 1969, 3 (02) :127-&