The Ordering Relation and Dominance Structure of Indexes Space for Credit
信用指标空间的序关系及优势结构

In this paper, the customers' credit evaluation is researched,the credit indexes space and composite credit evaluation functions are put forward,and the dominance structure and ordering relation of credit indexes are theoretically discussed, then a model is used to evaluate customer's credit by minimizing the deviation. Accordingly,the mathematic frame of the customers' credit evaluation process is described.