Embeddings of hyperbolic Kac-Moody algebras into }
arXiv:0801.2586 · doi:10.1007/s11005-007-0214-7
Abstract
We show that the rank 10 hyperbolic Kac-Moody algebra contains every simply laced hyperbolic Kac-Moody algebra as a Lie subalgebra. Our method is based on an extension of earlier work of Feingold and Nicolai.
10 pages. to appear in Letters in Mathematical Physics