It is important content that the studying connective stability among the stability studying of the large-scale interconnected systems. The many results recently have been given for the normal systems, the studying result of the singular large scale systems, however, is a little. The paper discussed the connective stability of a kind of nonlinear singular large-scale dynamical systems by means of singular Lyapunovf equation and vector Lyapunovf function. A stable domain of connective parameters is given in the paper which is simple in form. At last we give an example to show the usage of the method and its efficiency.
Multi-level tacit knowledge is existed in the supply chain. Partly based on the Fractal Theory, this paper analyzes the similarity in tacit knowledge of the supply chain and several inferences are presented from three aspects, i.e. core competitiveness, control and vitality of the supply chain. This paper believes that the high-quality tacit knowledge, with a certain degree of similarity, contributes to the sustainable competitive advantage for the members of the supply chain as well as the supply chain as a whole. It is also the ability to manage complexity. Once it becomes the order parameter , the self-organization of the complex supply chain system can be realized. Moreover, the activities of tacit knowledge management which rely heavily on the social network can create a humancentered and vital supply chain.
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