1.Guangzhou,P. R. China;2.Pusan,Korea;3.School of Mathematical Sciences,South China Normal University,Guangzhou,P. R. China;4.Department of Mathematics, College of Natural Sciences,Pusan National University,Pusan,Korea
Abstract:
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).