中文

满足三项递推关系的多项式序列零点实性的判据

复变函数 2019-09-27 v2

摘要

本文建立了由三项递推关系 Pi(x)+Q1(x)Pi1(x)+Q2(x)Pi2(x)=0P_i(x)+ Q_1(x)P_{i-1}(x) +Q_2(x) P_{i-2}(x)=0 生成的多项式序列 {Pi}i=1\{P_i\}_{i=1}^{\infty} 所有零点均为实数的充要条件,其中标准初始条件为 P0(x)=1,P1(x)=0P_{0}(x)=1, P_{-1}(x)=0,且 Q1(x)Q_1(x)Q2(x)Q_2(x) 为任意实多项式。

关键词

引用

@article{arxiv.1812.08601,
  title  = {Criterion of reality of zeros in a polynomial sequence satisfying a three-term recurrence relation},
  author = {Innocent Ndikubwayo},
  journal= {arXiv preprint arXiv:1812.08601},
  year   = {2019}
}

备注

10 pages, 6 figures, To appear in Czechoslovak mathematical journal, typos corrected, references added