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T关于M矩阵的Fan乘积的Oppenheim型不等式(英文)

The Oppenheim type inequality on Fan product of M-matrices

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【作者】 晏瑜敏冯晓霞杨忠鹏陈智雄

【Author】 YAN Yu-min1, FENG Xiao-xia2, YANG Zhong-peng1, CHEN Zhi-xiong1 (1. Department of Mathematics, Putian University, Putian 351100,China; 2. Faculty of Science, Beihua University, Jilin 132013, China)

【机构】 莆田学院数学系北华大学理学院莆田学院数学系 福建莆田351100吉林吉林132013福建莆田351100福建莆田351100

【摘要】 首先指出张胜关于M-矩阵Fan乘积的行列式下界的估计不比两个M矩阵的Fan乘积的Oppenheim型不等式的结果好,然后进一步推广了两个M矩阵的Fan乘积的Oppenheim型不等式,并且说明推广的结果优于已知的张胜的结论.

【Abstract】 Firstly, it is pointed out that the estimation on the lower bound of the determinant for Fan product of M- matrices in Zhang Sheng [Journal of Nanjing Normal University, 22(2)(1999), 19-23] is not better than the Oppenheim type inequality on Fan product of M-matrices. Secondly, the Oppenheim-type inequalities on Fan product of two M-matrices are generalized. Finally, it is indicated that our results are superior to the results of Zhang Sheng.

【基金】 Supported by the Science Foundation of Fujian Educational Department (JA03159); the Science ResearchFoundation of Putian University(2004Q003; 2004Q002)
  • 【文献出处】 黑龙江大学自然科学学报 ,Journal of Natural Science of Heilongjiang University , 编辑部邮箱 ,2004年04期
  • 【分类号】O151.21
  • 【下载频次】43
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