Operators and Matrices · Volume 13, Issue 1 A surjectivity problem for 3 by 3 matrices 13-07 Pages 111-119 DOI 10.7153/oam-2019-13-07 Downloads Short PDF Full PDF PNG Authors Constantin Buşe Donal O'Regan Olivia Saierli Keywords natural powers of matrices functional calculus with matrices global problems concerning polynomials of matrices Subject classes 30C15 33C50 15A60 65F15