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三对角的完全非负矩阵上的Schur-Oppenheim严格不等式 被引量:1

The Schur-Oppenheim Strict Inequality For Tridiagonal Totally Nonnegative Matries
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摘要 应用完全非负矩阵的 Hadamard中心的性质 ,给出了非奇异三对角完全非负矩阵的Hadamard乘积的行列式的下界估计满足 Schur- Oppenheim严格不等式的充分条件 ,改进了 T.L .Markham的关于三对角的振荡矩阵的相应结果 . Applying properties of Hadamard core for totally nonnegative matrices, we give a sufficient condition that the lower bound estimation of the determinent of Hadamard product of two nonsigular tridiagonal totally nonnegative matries satisfy Schur-Oppenheim strict inequality, and improve the corresponding results on tridiagonal oscillating matrices obtained by T.L.Markham.
出处 《数学研究》 CSCD 2004年第2期193-199,共7页 Journal of Mathematical Study
关键词 非奇异三对角完全非负矩阵 振荡矩阵 HADAMARD乘积 Hadamard中心 行列式下 严格不等式 nonsigular tridiagonal totally nonnegative matrix oscillating matrix Hadamard product Hadamard core lower bound of the determinent strict inequality
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参考文献9

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二级参考文献12

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