Conformal embeddings and simple current extensions

Abstract

In this paper we investigate the structure of intermediate vertex algebras associated with a maximal conformal embedding of a reductive Lie algebra in a semisimple Lie algebra of classical type.

Latex file, 45 pages. Revised version

References in corpus (3)

• Field Algebras
• Simple currents and extensions of vertex operator algebras
• Powers of the Euler product and commutative subalgebras of a complex simple Lie algebra