Based on the research of the basic elements, conceptive means and the extendibility of originality of the serial fashion, this paper introduces the methods and effective approaches in the design of serial fashion and puts forward the extendibility problem of the serial fashion originality.

In view of the flexibility of the deferability features and the mutual influence of rival strategy of venture capital investment in reality,the game theory and option theory were combined to analyze the optimal investment structure for immediate investors and delayed investors and discuss the deferability issues arisen from the uncertainty factor of venture capital projects.

This dissertation mainly study the option pricing problem of the extendible option.

In this thesis, we give a general method and design non-interactive non-malleable commitment schemes based on functions with special properties(q-one way group homomorphism).