Complex Oscillation of Solutions and Their Derivatives of Non-homogenous Linear Differential Equations in the Unit Disc

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Zinelaâbidine Latreuch, Benharrat BELAIDI

Abstract

In this paper, we study the complex oscillation of solutions and their derivatives of the differential equation

F''+ A(z)f'+ B (z)f = F (z),

where A(z),B (z) and F (z) are meromorphic functions of finite iterated p-order in the unit disc ∆ = {z : |z| < 1}.

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