arXiv:math0409487v1 [] 24 Sep 2004On Some Representations of Nilpotent Lie Algebrasand SuperalgebrasShantala MukherjeeDept. of MathematicsDePaul UniversityChicago IL 60614AbstractLet G be a simply c

441 Contravariant form for infinite-dimensional Lie algebras and superalgebras V. G. Kac Department of Mathematics MoIoTo cambridge Mass. 02139 In this article a criterion of irreducibility of a repre