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Regular version of the site

Working paper

Instanton moduli spaces and $\mathscr W$-algebras

Braverman A., Finkelberg M. V., Nakajima H.
We describe the (equivariant) intersection cohomology of certain moduli spaces ("framed Uhlenbeck spaces") together with some structures on them (such as e.g.\ the Poincar\'e pairing) in terms of representation theory of some vertex operator algebras ("W-algebras").