Spectral Theory of Ordinary Differential Operators (Lecture Notes in Mathematics, 1258)
Properties of Infinite Dimensional Hamiltonian Systems (Lecture Notes in Mathematics, 425)
Self-Adjoint Operators (Lecture Notes in Mathematics, 433)
Intermediate Spectral Theory and Quantum Dynamics
Spectral Representations for Schrödinger Operators with Long-Range Potentials (Lecture Notes in Mathematics, 727)
Hamiltonian Cosmology
Spectral Analysis of Quantum Hamiltonians Spectral Days 2010
Spectral Theory and Differential Equations: Proceedings of the Symposium Held at Dundee, Scotland, July 1-19, 1974 (Lecture Notes in Mathematics, 448)
Spectral Analysis of Nonlinear Operators (Lecture Notes in Mathematics, 346)
Linear Operators in Hilbert Spaces (Graduate Texts in Mathematics)