Geodesic
Properties of differences of meromorphic functions
Czechoslovak Mathematical Journal, Tome 61 (2011) no. 1, pp. 213-224.

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

Let $f$ be a transcendental meromorphic function. We propose a number of results concerning zeros and fixed points of the difference $g(z)=f(z+c)-f(z)$ and the divided difference $g(z)/f(z)$.
DOI : 10.1007/s10587-011-0008-z
Classification : 30C15, 30D35, 39A10, 39B32
Keywords: meromorphic function; difference; divided difference; zero; fixed point 
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Chen, Zong-Xuan; Shon, Kwang Ho. Properties of differences of meromorphic functions. Czechoslovak Mathematical Journal, Tome 61 (2011) no. 1, pp. 213-224. doi : 10.1007/s10587-011-0008-z. http://geodesic.mathdoc.fr/articles/10.1007/s10587-011-0008-z/

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