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Counting Exceptional Instantons

We show how to obtain the instanton partition function of N=2 SYM with exceptional gauge group EFG using blow-up recursion relations derived by Nakajima and Yoshioka. We compute the two instanton contribution and match it with the recent proposal for the superconformal index of rank 2 SCFTs with E6, E7 global symmetry.

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Co-authorshipAuthorshipAuthorshipTopic signalTopic signalWCounting Exceptional Instantonspreprint / 2012AChristoph A. KellerResearcherAJaewon SongResearcherThep-th13268 worksTmath.AG5393 works
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Counting Exceptional Instantons

preprint / 2012

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