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<正>1引言与符号本文中恒用N表示前面n个正整数的集合;用M_n(C)表示复数域C上所有n阶复矩阵的集合;用I表示适当阶的单位矩阵.对于A=(a_(ij))∈ M_n(C),约定lAl=(la_(ij)l)∈M_n(C);若α和β为N的非空子集,则把由A中行标属于α且列标属于β的元素按照原来相对位置构成的子矩阵记为4(α,β),特别地,把主子阵A(α,α)简记为A(α);并用表示α
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高等学校计算数学学报
Year: 2013
Issue: 02
Volume: 35
Page: 143-147
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 3
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