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Bifurcation analysis on a class of three-dimensional quadratic systems with twelve limit cycles 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2019, 卷号: 363, 页码: 12
作者:  Guo, Laigang;  Yu, Pei;  Chen, Yufu
收藏  |  浏览/下载:184/0  |  提交时间:2020/01/10
3-dimensional quadratic system  Symmetrical vector field  Normal form  Limit cycle  Isochronous center  
A theoretic study of a distance-based regression model 期刊论文
SCIENCE CHINA-MATHEMATICS, 2019, 卷号: 62, 期号: 5, 页码: 979-998
作者:  Li, Jialu;  Zhang, Wei;  Zhang, Sanguo;  Li, Qizhai
收藏  |  浏览/下载:161/0  |  提交时间:2020/01/10
distance-based regression  Euclidean  pseudo F test statistic  Mahalanobis  
A polynomial-time algorithm to compute generalized Hermite normal forms of matrices over Z[x] 期刊论文
THEORETICAL COMPUTER SCIENCE, 2019, 卷号: 755, 页码: 89-109
作者:  Jing, Rui-Juan;  Yuan, Chun-Ming;  Gao, Xiao-Shan
收藏  |  浏览/下载:164/0  |  提交时间:2019/03/05
Generalized Hermite normal form  Grobner basis  Polynomial-time algorithm  Z[x] module  
atheoreticstudyofadistancebasedregressionmodel 期刊论文
中国科学数学英文版, 2019, 卷号: 000, 期号: 005, 页码: 979
作者:  Jialu Li;  Wei Zhang;  Sanguo Zhang;  Qizhai Li
收藏  |  浏览/下载:183/0  |  提交时间:2020/01/10