关于二阶复微分方程f″（z）＋A（z）f（z）=0解的非实零点的研究
관우이계복미분방정f″（z）＋A（z）f（z）=0해적비실영점적연구
On the exponent of convergence of the nonreal zero-sequence of a solution of second order linear differential equation
  • 万方数据
    贵州师范大学学报：自然科学版 귀주사범대학학보：자연과학판
    Journal of Guizhou Normal University(Natural Sciences)
    2012年 3期 60-63 ,共4页

    邱克娥%龙见仁

    구극아%룡견인

    非实零点%零点收敛指数%亏值 非實零點%零點收斂指數%虧值
    비실영점%영점수렴지수%우치
    nonreal zeros%exponent of convergence of zero-sequence%deficient value
    考虑二阶复微分方程f″＋A（z）f=0解的非实零点的收敛指数与解的增长级之间的关系,其中A（z）是多项式,给出方程非零解的非实零点序列的收敛指数等于增长级的一个充分条件.
    고필이계복미분방정f″＋A（z）f=0해적비실영점적수렴지수여해적증장급지간적관계,기중A（z）시다항식,급출방정비영해적비실영점서렬적수렴지수등우증장급적일개충분조건.
    This paper deals with the differential equationf＇＇ ＋ A（z）f = 0 ,where A（z） is a polynomial. Some results concerning the estimates of the growth and the exponent of convergence of the nonreal zero-sequence of a solution of the equation restricted in some conditions are obtained.
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