(1) Independent University of Moscow, Bolshoi Vlasevskii per. 11, Moscow, 121002, Russia;(2) School of Mathematics and Statistics, The University of Birmingham, Birmingham, B15 2TT, United Kingdom
Abstract:
The goal of this paper is to extend some previous results on abelian ideals of Borel subalgebras to so-called spherical ideals of These are ideals of such that their G-saturation is a spherical G-variety. We classify all maximal spherical ideals of for all simple G.Received: 25 March 2004