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Some Notes on the Rank Identity of Matrix
Author(s): 
Pages: 1-6
Year: Issue:  5
Journal: JOURNAL OF PUTIAN UNIVERSITY

Keyword:  矩阵秩分块矩阵分块初等变换k幂等矩阵打洞技巧;
Abstract: 最近一些文献应用自反广义逆和广义Schur补得到了一些重要的矩阵秩的恒等式.对这些结果,给出了只用分块初等变换的简单证法;作为应用对k(k=2,3,4)幂等矩阵的秩等式作进一步讨论,还给出了打洞技巧在求秩上应用的例子.
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