On nonsingularity and group inverse of linear combinations of generalized and hypergeneralized projectors |
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| Authors: | Yinlan Chen Kezheng Zuo Tao Xie |
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| Institution: | 1. School of Mathematics and Statistics, Hubei Normal University, Huangshi, 435002, Hubei, China
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| Abstract: | In this paper, some conditions for the nonsingularity and group inverses of linear combinations of generalized and hypergeneralized projectors are established. Moreover, some formulae for the inverses and group inverses of them are derived. The work of this paper extends some previous results. |
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| Keywords: | inverse group inverse generalized projectors hypergeneralized projectors |
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