Mathematical Inequalities & Applications · Volume 9, Issue 3 On the range kernel orthogonality and p-symmetric operators 09-49 Pages 511-519 DOI 10.7153/mia-09-49 Downloads Short PDF Full PDF PNG Authors Said Bouali Youssef Bouhafsi Keywords range-kernel orthogonality subnormal operator cyclic vector Putnam-Fuglede theorem P-symmetric operator Subject classes 47B47 47B10 47A30