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Instanton moduli spaces and 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., Poincare pairing) in terms of representation theory of some vertex operator algebras ("W-algebras").

Instanton moduli spaces and W-algebras