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Group inverse for block matrices and some related sign analysis |
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| Authors: | Jiang Zhou Yimin Wei |
| Affiliation: | 1. Departemnt of Applied Mathematics , College of Science, Harbin Engineering University , Harbin 150001 , PR China;2. School of Mathematical Sciences &3. Shanghai Key Laboratory of Contemporary Applied Mathematics , Fudan University , Shanghai 200433 , PR China |
| Abstract: | |
| Keywords: | group inverse Moore–Penrose inverse sign pattern |