Infinite dimensional Lie groups: their orbits, invariants and representations. The geometry of moments. (English) Zbl 0498.22017

Twistor geometry and non-linear systems, 4th Bulg. Summer Sch., Primorsko/Bulg. 1980, Lect. Notes Math. 970, 101-123 (1982).


22E65 Infinite-dimensional Lie groups and their Lie algebras: general properties
17B65 Infinite-dimensional Lie (super)algebras
58B25 Group structures and generalizations on infinite-dimensional manifolds


Zbl 0488.00016