The Discussed On The Zeros And Except Values Of Complex Differences Functions

In this paper, we discussed the zeros and except values of some differences meromorphic functions by using the Nevanlinna Theory and method. There are five chapters in this paper.Chapter one introduced the background of research differences of functions on complex, basic mark and related definitions of Nevanlinna Theory, etc.Chapter two estimated the zeros of some differences functions and .Chapter three estimated the zeros of some q ?differences functions and .Chapter four discussed the zeros of compound differences of meromorphicChapter five discussed the existence of Picard exception values and of Borel exception values of .