Volume 24 (1976) no. 1

Table of contents

Scattering theory with highly singular oscillating potentials
p. 1-16
Spectral and scattering theory for the Schrödinger operator with strongly oscillating potentials
p. 17-30
Semi-classical approximations
p. 31-90
On the genericity of nonvanishing instability intervals in Hills equation
p. 91-93
Errata : “Approximate symmetries and their spontaneous breakdown”
p. 94