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q-alg1997★ 1 cited
Extensions of conformal modules
Shun-Jen Cheng, Victor Kac, Minoru Wakimoto
In this paper we classify extensions between irreducible finite conformal modules over the Virasoro algebra, over the current algebras and over their semidirect sums.
q-alg1997
Poincaré series of the Weyl group of elliptic Lie algebras and
Minoru Wakimoto
In this note, we calculate the Poincaré series of elliptic Weyl groups of type and and show that they have a simple expression.