Characterizations and representations of the (P, Q)-outer generalized inverse

Chunyuan Deng, Anqi Yu and Yimin Wei

Applied Mathematics and Computation, 2015, vol. 269, issue C, 432-442

Abstract: 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.

Keywords: (P, Q)-outer generalized inverse; Idempotent; Orthogonal projector; Positive operator; Moore Penrose inverse; Drazin inverse (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:269:y:2015:i:c:p:432-442

DOI: 10.1016/j.amc.2015.07.057

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