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A note on the perturbation of an outer inverse

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Abstract

In this note, we present an explicit formula for perturbations of an outer inverse under certain conditions, which extends previous results.

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Authors and Affiliations

  1. School of Mathematics and Information Science, Wenzhou University, Wenzhou, 325035, P.R. China

    Naimin Zhang

  2. School of Mathematical Sciences and Key Laboratory (Ministry of Education): “Mathematics for Non linear Sciences”, Fudan University, Shanghai, 200433, P.R. China

    Yimin Wei

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  1. Naimin Zhang
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  2. Yimin Wei
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Correspondence to Yimin Wei.

Additional information

The work of the first author was supported by the Zhejiang Provincial Natural Science Foundation of China under Grant No. Y606009.

The second author was supported by the National Natural Science Foundation of China under grant 10871051 and the Shanghai Education Committee under grant 08511501703.

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Zhang, N., Wei, Y. A note on the perturbation of an outer inverse. Calcolo 45, 263–273 (2008). https://doi.org/10.1007/s10092-008-0155-2

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  • DOI: https://doi.org/10.1007/s10092-008-0155-2

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