On the zeros of solutions of a class of second order linear differential equations

On the zeros of solutions of a class of second order linear differential equations
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关于一类二阶线性微分方程解的零点

DOI:
10.2996/kmj/1278076341
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发表时间:
2010
影响因子:
0.6
通讯作者:
Xiang Yang
Xiang Yang
中科院分区:
数学4区
文献类型:
--
作者:
J. Tu;Xiang Yang

文献摘要

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本文研究了二阶线性微分方程解的零序列的收敛指数,其中Pj 1 ; 2 ;... ; l B 3是n次多项式B 1,Q j z是阶小于n的整函数,得到了一些结果,改进和推广了文献[8,9,13]中的结果.
In this paper, we investigate the exponent of convergence of the zero-sequence of solutions of the second order linear di¤erential equation where P j ð z Þ ð j ¼ 1 ; 2 ; ... ; l b 3 Þ are polynomials of degree n b 1, Q j ð z Þ are entire functions of order less than n , and obtain some results which improve and generalize the previous results in [8, 9, 13].