The Luna-Vust Theory of Spherical Embeddings

Let X be a homogeneous for a connected reductive group G. Luna and Vust have classified all equivariant open embeddings of X into a larger normal G-variety. This paper contains a survey of this result together with a full proof valid in any characteristic. Moreover, many other results relating to spherical embeddings are mentioned and most of them proved.

Appeared in: Proceedings of the Hyderabad Conference on Algebraic Groups, December 1989. Madras: Manoj Prakashan (1991) 225-249.

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Last updated: October 26, 2000