A Poisson–Lie Framework for Rational Reductions of the KP Hierarchy Boris A. Khesin OriginalPaper Pages: 101 - 107
Oscillatory Integral Formulae for Left-invariant Star Products on a Class of Lie Groups Pierre BieliavskyMarc Massar OriginalPaper Pages: 115 - 128
The Principal SO(1,2) Subalgebra of a Hyperbolic Kac–Moody Algebra H. NicolaiD. I. Olive OriginalPaper Pages: 141 - 152
Euler–Poincaré Reduction on Principal Bundles M. Castrillón LópezP. L. García PérezT. S. Ratiu OriginalPaper Pages: 167 - 180