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GDMP-inverses of a matrix and their duals
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2020-12-08 M.V. Hernández, M.B. Lattanzi, N. Thome
中文翻译:
矩阵的GDMP逆及其对偶
更新日期:2020-12-08
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2020-12-08 M.V. Hernández, M.B. Lattanzi, N. Thome
ABSTRACT
This paper introduces and investigates a new class of generalized inverses, called GDMP-inverses (and their duals), as a generalization of DMP-inverses. GDMP-inverses are defined from G-Drazin inverses and the Moore-Penrose inverse of a complex square matrix. In contrast to most other generalized inverses, GDMP-inverses are not only outer inverses but also inner inverses. Characterizations and representations of GDMP-inverses are obtained by means of the core-nilpotent and the Hartwig-Spindelböck decompositions.
中文翻译:
矩阵的GDMP逆及其对偶
摘要
本文介绍并研究了一类新的广义逆,称为GDMP逆(及其对偶),作为DMP逆的泛化。GDMP逆是根据复杂方矩阵的G-Drazin逆和Moore-Penrose逆定义的。与大多数其他广义逆相反,GDMP逆不仅是外部逆,而且是内部逆。GDMP逆的表征和表示是通过核心幂等分解和Hartwig-Spindelböck分解获得的。