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26 April 2024
 
  » arxiv » math.CV/0504245

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Difference analogue of the Lemma on the Logarithmic Derivative with applications to difference equations
R. G. Halburd ; R. J. Korhonen ;
Date 12 Apr 2005
Subject Complex Variables; Classical Analysis and ODEs; Exactly Solvable and Integrable Systems MSC-class: 30D35 (primary) 39A10, 39A12 (secondary) | math.CV math.CA nlin.SI
AbstractThe Lemma on the Logarithmic Derivative of a meromorphic function has many applications in the study of meromorphic functions and ordinary differential equations. In this paper, a difference analogue of the Logarithmic Derivative Lemma is presented and then applied to prove a number of results on meromorphic solutions of complex difference equations. These results include a difference analogue of the Clunie Lemma, as well as other results on the value distribution of solutions.
Source arXiv, math.CV/0504245
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