1999/09/10 by Robert Wendt
Mathematics · #math.RT #msc:17B67 #msc:22E67 #msc:22E46
published as J. Funct. Anal. 180 (2001), 31-65 · 29 Pages, Latex
arxiv created 1999/09/10 · arxiv updated 2009/11/30
We generalize I. Frenkel's orbital theory for non twisted affine Lie algebras to the case of twisted affine Lie algebras using a character formula for certain non-connected compact Lie groups.