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相关机构：郑州纺织工学院黑龙江大学南京航空航天大学华侨大学更多>>
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Upper bounds for eigenvalues of Cauchy-Hankel tensors
《Frontiers of Mathematics in China》2021年第4期1023-1041,共19页Wei MEI Qingzhi YANG 
the National Natural Science Foundation of China(Grant Nos.11671217,12071234);the Tianjin Graduate Research and Innovation Project(No.2019YJSB040).
We present upper bounds of eigenvalues for finite and infinite dimensional Cauchy-Hankel tensors.It is proved that an m-order infinite dimensional Canchy-Hankel tensor defines a bounded and positively(m-1)-homogeneous...
关键词：Cauchy-Hankel tensor EIGENVALUES upper bound M-positive definite 
Criterions for identifying H-tensors被引量：2
《Frontiers of Mathematics in China》2016年第3期661-678,共18页Ruijuan ZHAO Lei GAO Qilong LIU Yaotang LI 
Acknowledgements This work was supported by the National Natural Science Foundation of China （Grant Nos. 11361074, 11326242） and the Science Foundation of the Education Department of Yunnan Province （Grant No. 2013FD002）.
Some new criteria for identifying H-tensors are obtained. As applications, some sufficient conditions of the positive definiteness for an even- order real symmetric tensor are given, as well as a new eigenvalue inclus...
关键词：H-Tensor real symmetric tensor positive definite eigenvalueinclusion set 
Weighted estimating equation： modified GEE in longitudinal data analysis被引量：1
《Frontiers of Mathematics in China》2014年第2期329-353,共25页Tianqing LIU Zhidong BAI Baoxue ZHANG 
The method of generalized estimating equations （GEE） introduced by K. Y. Liang and S. L. Zeger has been widely used to analyze longitudinal data. Recently, this method has been criticized for a failure to protect ag...
关键词：CONSISTENCY CORRELATION EFFICIENCY （GEE） longitudinal data positive definite estimating equation （WEE） generalized estimating equation repeated measures WEIGHTED 
Splitting positive definite mixed element method for viscoelasticity wave equation被引量：3
《Frontiers of Mathematics in China》2012年第4期725-742,共18页Yang LIU Hong LI Wei GAO Siriguleng HE Jinfeng WANG 
This work was supported in part by the National Natural Science Foundation of China （Grant No, 11061021）, the Program of Higher-level Talents of Inner Mongolia University （No. Z200901004）, and the Scientific Research Projection of Higher Schools of Inner Mongolia （Nos. N J10006, N J10016, NJZZ12011）.
A splitting positive definite mixed finite element method is proposed for second-order viscoelasticity wave equation. The proposed procedure can be split into three independent symmetric positive definite integro-diff...
关键词：Viscoelasticity wave equation transformation splitting positive definite system mixed finite element method error estimate 
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