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Complex oscillation of differential polynomials generated by analytic solutions of differential equations in the unit disc

Ting-Bin Cao ; Department of Mathematics, Nanchang University, Nanchang, P.R. China
Lei-Min Li ; Department of Mathematics, Jiangxi Normal University, Nanchang, P.R. China
Hong-Yan Xu ; Department of Informatics andEngineering, Jingdezhen Ceramic Institute, Jingdezhen, P.R. China

Sažetak

In this paper, we investigate the complex oscillation
of differential polynomials generated by solutions of differential
equations
\[
f^{''}+A(z)f=0,
\]
where the coefficient $A$ is
analytic in the unit disc $\mathbb{D}=\{z: |z|<1\}.$

Ključne riječi

differential equation; analytic function; iterated order; the unit disc

Hrčak ID:

68637

URI

https://hrcak.srce.hr/68637

Datum izdavanja:

10.6.2011.

Posjeta: 2.076 *