本文讨论了两个可分图的张量乘积图的同构因子分解问题。给出了张量乘积图可同构因子分解的判定条件。

In this paper, we discuss isomorphic factorization for tensor product of two divisible graphs and prove the conditions for the tensor product graphs to be factorized isomorphically.

设计一个因子分解算法，并分析其复杂性。

Design a factorization algorithm and analysis of their complexity.

方法在因子分解定理的基础上提出了一个判别指数型分布族的简单方法。

Methods A simple method for distinguishing of exponential distribution family is obtained based on factorization theorem.

结果提出了指数型分布族的因子分解判别法，并给出了指数型分布族的一个良好性质。

Results A factorization discriminance of exponential distribution family was obtained, moreover good properties of exponential distribution family were established.