DEFINING RELATIONS OF THE NON SIMPLY-LACED 4-EXTENDED AFFINE LIE ALGEBRAS OF TYPE

Tadayoshi Takebayashi (Japan)

Received March 27, 2008

Abstract

We give the defining relations of the non simply-laced 4-extended affine Lie algebras of type in terms of the generators associated to 4-extended affine diagrams.

Keywords and phrases: 4-extended affine Lie algebra, non simply-laced.