On some sufficient conditions for periodicity of meromorphic function under new shared sets


Abhijit Banerjee, Molla Basir Ahamed




This paper deals with the two set sharing problem related to the uniqueness of a function and its shift operator. With the help of two new range sets we shall significantly improve a number of results in the literature. At the last section we shall exhibit certain examples to show that some conditions used in our results are the best possible