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机译:Characterizations for the n-strong Drazin invertibility in a ring
Hubei Normal Univ, Sch Math & Stat, Huangshi 435002, Hubei, Peoples R China;
Southeast Univ, Sch Math, Nanjing 210096, Peoples R China;
Hefei Univ Technol, Sch Math, Hefei 230009, Peoples R China;
Strong Drazin inverse; Hirano inverse; n-strong Drazin inverse; Drazin inverse; idempotent; ring;