Journal
NUCLEAR PHYSICS B
Volume 855, Issue 1, Pages 128-151Publisher
ELSEVIER
DOI: 10.1016/j.nuclphysb.2011.09.021
Keywords
AGT conjecture; (5d) N=2 SUSY gauge theory; (q-)Virasoro algebra; Seiberg-Witten theory; Matrix models
Categories
Funding
- Ministry of Education and Science of the Russian Federation [14.740.11.081, 14.740.11.0347]
- RFBR [10-02-00509, 10-02-00499, 09-02-00393]
- [11-02-90453-Ukr]
- [09-02-93105-CNRSL]
- [09-02-91005-ANF]
- [10-02-92109-Yaf-a]
- [11-01-92612-Royal Society]
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We extend the proof from Mironov et al. (2011) [25]. which interprets the AGT relation as the Hubbard Stratonovich duality relation to the case of 5d gauge theories. This involves an additional q-deformation. Not surprisingly, the extension turns out to be straightforward: it is enough to substitute all relevant numbers by q-numbers in all the formulas, Dotsenko-Fateev integrals by the Jackson sums and the Jack polynomials by the MacDonald ones. The problem with extra poles in individual Nekrasov functions continues to exist, therefore, such a proof works only for beta = 1, i.e. for q = t in MacDonald's notation. For beta not equal 1 the conformal blocks are related in this way to a non-Nekrasov decomposition of the LMNS partition function into a double sum over Young diagrams. (C) 2011 Elsevier B.V. All rights reserved.
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