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On meromorphic functions that share one value with their derivative

  • Amer H.H. Al-Khaladi EMAIL logo
Published/Copyright: July 29, 2016

Abstract

The following theorem has been proved by R.Brück. If a non-constant entire function ƒ and its derivative ƒ′ share the value 1 CM (counting multiplicities), and if , then ƒ′- 1 = c ( ƒ - 1 ) for some nonzero constant c . In this paper we shall prove that the above result is also true when ƒ is a non-constant meromorphic function.

Published Online: 2016-7-29
Published in Print: 2005-5-1

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