Operators and Matrices · Volume 18, Issue 1 Relative residual bounds for eigenvalues in gaps of the essential spectrum 18-13 Pages 191-203 DOI 10.7153/oam-2024-18-13 Downloads Short PDF Full PDF PNG Authors Albrecht Seelmann Keywords relative distance between eigenvalues gap of the essential spectrum compression of a self-adjoint operator variational values maximal angle between closed subspaces Subject classes 15A18 47A20 47A55 47B15 49Rxx
