NEVANLINNA'S FIVE-VALUE THEOREM FOR DERIVATIVE'S OF MEROMORPHIC FUNCTIONS PARTIALLY SHARING VALUES ON ANNULI

In this paper, we first obtain Xiong Inequality of meromorphic function on annuli. Next by using this inequality, we generalise Nevanlinnas five-value theorem for derivatives of meromorphic functions by considering weaker assumptions of sharing five-values to partially sharing k(≥ 5) values. As a particular case of our results, we deduce several results.