
It is proved that f ( g ) − R f(g) - R has infinitely many zeros if f is a transcendental meromorphic, g a transcendental entire, and R a non-constant rational function. The exponent of convergence of the sequence of zeros of f ( g ) − R f(g) - R is also estimated.
Functional equations in the complex plane, iteration and composition of analytic functions of one complex variable, Value distribution of meromorphic functions of one complex variable, Nevanlinna theory
Functional equations in the complex plane, iteration and composition of analytic functions of one complex variable, Value distribution of meromorphic functions of one complex variable, Nevanlinna theory
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