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The zeros of certain differential polynomials

  • Abdullah Alotaibi and James K. Langley
Published/Copyright: September 25, 2009
Analysis
From the journal Volume 28 Issue 2

Let ƒ be a function transcendental and meromorphic in the plane and let

where a and the coefficients aj and bj are meromorphic functions of small growth compared to ƒ. Under appropriate conditions on the integers m, k and n, estimates are given for the frequency of zeros of ψ in terms of the growth of ƒ.

Received: 2006-November-02
Published Online: 2009-09-25
Published in Print: 2008-02

© Oldenbourg Wissenschaftsverlag

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