ON FIXED POINTS OF MEROMORPHIC FUNCTIONS f(z) AND f(z+c),△cf(z)

作者：蓝双婷; 陈宗煊^*

来源：Acta Mathematica Scientia, 2019, 39(05): 1277-1289.

Let c be a nonzero constant and f(z) be a transcendental meromorphic function of finite order.Under some conditions,we study the relationships between the exponent of convergence of fixed points of f(z),its shift f(z+c) and forward differences △cnf(z),n∈N+.

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  华南师范大学