Coupling of two conformal field theories and Nakajima-Yoshioka blow-up equations
arXiv:1310.7281 · doi:10.1007/s11005-015-0802-x
Abstract
We study the conformal vertex algebras which naturally arise in relation to the Nakajima-Yoshioka blow-up equations.
23 pages v2. 24 pages, references added, proofs in section 3 are expanded, many typos corrected