Operators and Matrices · Volume 2, Issue 1 Numerical Radius Inequalities for Square-zero and Idempotent Operators 02-08 Pages 137-141 DOI 10.7153/oam-02-08 Downloads Short PDF Full PDF PNG Authors Hwa-Long Gau Chin-Ying Huang Pei Yuan Wu Keywords numerical range numerical radius square-zero operator idempotent operator Subject classes 47A12
