activity
19992007
most citedAbelian Extensions of the Group of Diffeomorphisms of a Torus

1 citations · 1 across the 7 of their papers we have counts for

collaborators
Showing 2006Show all

2 papers · 1 filter

math.RT2006

Thin coverings of modules

Yuly Billig, Michael Lau

Thin coverings are a method of constructing graded-simple modules from simple (ungraded) modules. After a general discussion, we classify the thin coverings of (quasifinite) simple…

math.RT2006

Representations of toroidal extended affine Lie algebras

Yuly Billig

We show that the representation theory for the toroidal extended affine Lie algebras is controlled by a vertex operator algebra which is a tensor product of four VOAs: a sub-VOA of…