According to a result of Nayak , if there is an omitted value for such a function then Herman rings of period 1 or 2 do not exist .
Herman rings for transcendental meromorphic functions have been studied by T. Nayak .
According to a result of Nayak , if there is an omitted value for such a function then Herman rings of period 1 or 2 do not exist .
Herman rings for transcendental meromorphic functions have been studied by T. Nayak .