线性变换的群逆 |
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引用本文: | 杨尚駿.线性变换的群逆[J].安徽大学学报(自然科学版),1985(1). |
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作者姓名: | 杨尚駿 |
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摘 要: | 本文研究任意维数向量空间的任意线性变换A的群逆。首先给出线性变换A有群逆的一些新的充要条件,其次给出无限维向量空间的线性变换A满足A~#=A~+的充要条件,最后对有限维线性变换或方阵A满足A~#=A~+给出一些新的充要条件。
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THE GROUP INVERSE OF A LINEAR TRANSFORMATION |
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Abstract: | In this paper we investigate the group inverse of a linear transformation A of a dimensional-free vecter space.We first give more new necessary and sufficient conditions for the transformation A to have a group inverse.We also establish the necessary and sufficient conditions for a linear transfor- mation A of an infinite dimensional vector space to have A~#=A~+,At last we give more new sets of this kind of conditions for a square matrix A. |
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