Lagrangian submanifolds and an application to the reduced Schrödinger equation in central force problems A. D. Lewis OriginalPaper Pages: 189 - 201
A relation between instantons of grassmann σ-models and Toda equations: II Kazuyuki Fujii OriginalPaper Pages: 203 - 211
Application of the star-product method to the angular momentum quantization Paul Molin OriginalPaper Pages: 213 - 225
On the Born-Oppenheimer approximation for excited states of polyatomic Schrödinger operators Klaus Chantelau OriginalPaper Pages: 227 - 238
Abundance of translation invariant pure states on quantum spin chains M. FannesB. NachtergaeleR. F. Werner OriginalPaper Pages: 249 - 258