Reverse order law of group inverses of products of two matrices
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摘要
We obtained several equivalent conditions for reverse order law of group inverses of product of two matrices. Several sufficient conditions which enable both (AB)#=B(1,2)A(1,2) and (BA)#=A(1,2)B(1,2) hold are also given.
论文关键词：Group inverse,Null space,Column space,Reverse order law
论文评审过程：Available online 26 November 2003.
论文官网地址：https://doi.org/10.1016/j.amc.2003.09.016
