Operators and Matrices · Volume 8, Issue 4 The block numerical range of analytic operator functions 08-51 Pages 901-934 DOI 10.7153/oam-08-51 Downloads Short PDF Full PDF PNG Authors Agnes Radl Christiane Tretter Markus Wagenhofer Keywords numerical range operator function spectrum eigenvalue resolvent block numerical radius positive operator Perron-Frobenius theorem gyroscopic system Subject classes 47A56 47A12
