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计算机代数在有限群同构类计数中的设计与应用
引用本文:邱燕红,;田宝单.计算机代数在有限群同构类计数中的设计与应用[J].四川轻化工学院学报,2008(4):13-15.
作者姓名:邱燕红  ;田宝单
作者单位:[1]西南科技大学理学院,四川绵阳621010
基金项目:基金项目:西南科技大学青年科技基金(07zx3129)
摘    要:文献1]论证n阶群同构类的个数在1000以内的存在性。文章给出群同构类Balass计数公式运算的算法,用计算机代数语言Matlab加以实现,进而将群同构类魄个数推广到3000。即设f(n)为n阶群同构类的个数,证明方程f(n)=k,(1≤k≤3000)解的存在性。

关 键 词:有限群  群的同构类的个数  Balass公式

Realization on the Computer Algebra about Enumeration Formulas for the Number of Isomorphism Classes of Finite Groups
Affiliation:QIU Yan-hong, TIA N Bao-dan (School of Science, Southwest University of Science and Technology, Mianyang 621010, China)
Abstract:It has been discussed in the Reference 1] that if 1≤k≤1000, algorithm of Balass'enumeration formulas for the number of isomorphism classes of groups is obtained in the paper, and is realized by Matlab program. There are infinitely many solutions for f(n)=k. Also k is extended, that is if, there are infinitely many solutions for f(n)=k.
Keywords:finite group  number of isomorphism classes of groups  Balass' formula
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