Wave operators and similarity for some non-selfadjoint operators

Banach Spaces of Analytic Functions.

Garrett Johnson, Kenneth A. Hoffman · American Mathematical Monthly · 1964 · 2.5K citations

Banach Spaces, Norm (Mathematics), Function Theory +2

Lectures on Invariant Subspaces.

Irving Glicksberg, Henry Helson · American Mathematical Monthly · 1968 · 562 citations

Spectral Theory, Invariant Subspaces, Lie Group +3

On the perturbation of continuous spectra

Kurt Friedrichs · Communications on Pure and Applied Mathematics · 1948 · 531 citations

Perturbation Method, Continuous Spectra, Singularly Perturbed Problem +2

Eigenfunction expansions associated with the Schroedinger operators and their applications to scattering theory

Teruo Ikebe · Archive for Rational Mechanics and Analysis · 1960 · 354 citations

Spectral Theory, Quantum Science, Quantum Dynamic +7

A survey of the theory of spectral operators

Nelson Dunford · Bulletin of the American Mathematical Society · 1958 · 232 citations · Full text

Spectral Theory, Linear Operator, Engineering +4