Characterizations and representations of the (P, Q)-outer generalized inverse
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摘要
We present a new explicit expression for the (P, Q)-outer generalized inverse based on the idempotent operators P and Q. We derive properties of the (P, Q)-outer generalized inverse and analyse relations among the various (P, Q)-outer generalized inverses.
论文关键词：(P, Q)-outer generalized inverse,Idempotent,Orthogonal projector,Positive operator,Moore Penrose inverse,Drazin inverse
论文评审过程：Received 18 March 2015, Revised 12 June 2015, Accepted 13 July 2015, Available online 14 August 2015, Version of Record 14 August 2015.
论文官网地址：https://doi.org/10.1016/j.amc.2015.07.057
