The Topological Version of Groups Generated by Reflections.
The Variation of Isotropy Subalgebras for Analytic Transformation Goups.
Topologisch quasinormale Untegruppen zusammenhängender lokalkompakter Gruppen.
Transitions from relative equilibria to relative periodic orbits.
Transitive riemannian isometry groups with nilpotent radicals
Given that a connected Lie group with nilpotent radical acts transitively by isometries on a connected Riemannian manifold , the structure of the full connected isometry group of and the imbedding of in are described. In particular, if equals its derived subgroup and its Levi factors are of noncompact type, then is normal in . In the special case of a simply transitive action of on , a transitive normal subgroup of is constructed with and a sufficient condition is given...
Transversal Lie group actions on abstract CR manifolds.
Truncated Lie groups and almost Klein models
We consider a real analytic dynamical system G×M→M with nonempty fixed point subset M G. Using symmetries of G×M→M, we give some conditions which imply the existence of transitive Lie transformation group with G as isotropy subgroup.