Operators and Matrices · Volume 2, Issue 2

Invertibility and Fredholmness of linear combinations of quadratic, k-potent and nilpotent operators

02-13 Pages 193-199 DOI 10.7153/oam-02-13

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Authors

Hwa-Long Gau Chih-Jen Wang Ngai-Ching Wong

Keywords

invertibility square zero elements k-potents nilpotents

Subject classes

15A03 47A53 47C05