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On the Value Distribution of $\varphi (z)[f(z)]^{n-1}f^{(k)}(z)$  
 
  Authors: Kit-Wing Yu,  
  Keywords: Derivatives, Inequality, Meromorphic Functions, Small Functions, Value Distribution.  
  Date Received: 01/05/01  
  Date Accepted: 04/10/01  
  Subject Codes:

30D35,30A10.

  
  Editors: Hari M. Srivastava,  
 
  Abstract:

In this paper, the value distribution of $varphi(z) [f(z)]^{n-1}f^{(k)}(z)$ is studied, where $f(z)$ is a transcendental meromorphic function, $varphi(z) (not equiv 0)$ is a function such that $T(r, varphi)=o(T(r, f))$ as $r to +infty$, $n$ and $k$ are positive integers such that $n =1$ or $n ge k+3$. This generalizes a result of Hiong.;


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