Operators and Matrices · Volume 12, Issue 1 Weighted composition and block shift matrix operators on ℓ2(ℕ) space 12-12 Pages 189-203 DOI 10.7153/oam-2018-12-12 Downloads Short PDF Full PDF PNG Authors M. R. Jabbarzadeh Z. Moayyerizadeh Keywords weighted composition operator conditional expectation hyponormal operator block matrix operator Subject classes 47B20 47B38