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具有Chernikov中心化子的局部幂零p-群
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作者 薛海波 吕恒 《西南师范大学学报(自然科学版)》 CAS 北大核心 2017年第12期35-37,共3页
局部幂零p-群G是Chernikov群的充要条件是G中存在有限子群H,其中心化子CG(H)是Chernikov群.
关键词 局部幂零群 chernikov 极大类p-群
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Solution Building for Arbitrary System of Linear Inequalities in an Explicit Form
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作者 Demetrius V. Shapot Alexander M. Lukatskii 《American Journal of Computational Mathematics》 2012年第1期1-11,共11页
The known Fourier-Chernikov algorithm of linear inequality system convolution is complemented with an original procedure of all dependent (redundant) inequalities deletion. The concept of “almost dependent” inequali... The known Fourier-Chernikov algorithm of linear inequality system convolution is complemented with an original procedure of all dependent (redundant) inequalities deletion. The concept of “almost dependent” inequalities is defined and an algorithm for further reducing the system by deletion of these is considered. The concluding algorithm makes it possible to hold actual-time convolution of a general inequality system containing up to 50 variables with the rigorous method of dependent inequalities deletion and up to 100 variables with the approximate method of one. The main application of such an approach consists in solving linear inequality system in an explicit form. These results are illustrated with a series of computer experiments. 展开更多
关键词 Linear INEQUALITIES Convolution Variable Elimination Orthogonal Projection Method Fourier Algorithm chernikov Rules DEPENDENT INEQUALITIES REDUNDANT INEQUALITIES ALMOST DEPENDENT INEQUALITIES Matrix CLEANUP COARSENING
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