Marek, I. Fredholm points of compactly perturbed bounded linear operators. (English) Zbl 0385.47004 Gen. Topol. Relat. mod. Anal. Algebra, Proc. 4th Prague Topol. Symp. 1976, Part B, 268-275 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 47A55 Perturbation theory of linear operators 47A53 (Semi-) Fredholm operators; index theories 47A10 Spectrum, resolvent PDF BibTeX XML Full Text: EuDML OpenURL