Study on Fluctuations of Stock Price by Voter Model and Grey System;

We construct the return process of a stock with the voter model,and we compare the different cases for the parameters:the starting density,the rate of transform and the dimensions of the voter model.

We maily proved that in mixture process of one dimensional nearest-neighbor contact processes and voter model, the stationary distributions are smooth in the perturbation parameter except at the critical point λ_c.

In this paper,we maily prove that discrete time non-nearest neighbor voter model in equivalent class spaces is positive recurrent by Lyapunov functions and the order of the time that the system first hits D0 is 15 14.

Experiments made have shown that compared with the traditional teaching method of"From easy to difficult",better results can be achieved by adopting the method of"Complete-lndividual-Complete"in the process of teaching and training the juvenile athletes techniques of weight lifting.

We make questionnaire investigation about the movement damage with 240 students from JiMei University s 8 classes of 2002-2006 grade,who major in weight lifting.

Based on documentation,questionnaire survey,interview,logical analysis and mathematical statistics,this paper makes researches on the present status of weight lifting training of amateur sports school in Fujian province,and discusses its attributions through psychological theory,hoping to provide some reference for the weight lifting training in amateur sports school.