Operators and Matrices · Volume 13, Issue 1 Propagation phenomena for mono-weakly hyponormal operator pairs 13-09 Pages 155-168 DOI 10.7153/oam-2019-13-09 Downloads Short PDF Full PDF PNG Authors Yongjiang Duan Shihao Pang Siyu Wang Keywords 2-variable weighted shifts flatness k-hyponormal mono-polynomially hyponormal Subject classes 47B20 47B37 47A13