About author:WANG Hui-qun(1972- ), male, native of Zhangzhi, Shanxi, an associate professor of Changzhi College, engages in representation of finite groups; JI Xiao-long(1964- ), male, native of Qinan, Gansu, a professor of Jiyuan Vocational and Technical College, engages in ordinary differential equation.
Supported by:
Supported partially by Scientific Research and Development Project of Higher Colleges of Shanxi Province(200713035)； Supported by the Key Laboratory of Mathematics Mechanization(KLMM07013)；
