The rank-level duality for non-abelian theta functions
arXiv:math/0605097 · doi:10.1007/s00222-006-0032-z
Abstract
We prove that the strange duality conjecture of Beauville-Donagi-Tu holds for all curves. We establish first a more extended rank-level duality, interesting in its own right, from which the standard rank-level duality follows by restriction.