Operators and Matrices · Volume 17, Issue 3 Spectral perturbation by rank m matrices 17-58 Pages 867-874 DOI 10.7153/oam-2023-17-58 Downloads Short PDF Full PDF PNG Authors Jonathan L. Merzel Ján Mináč Tung T. Nguyen Federico W. Pasini Keywords rank-m perturbation eigenspectra matrix theory Subject classes 15A18 93C73