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Affine sl(N) conformal blocks from N=2 SU(N) gauge theories
Recently Alday and Tachikawa proposed a relation between conformal blocks in a two-dimensional theory with affine sl(2) symmetry and instanton partition functions in four-dimensional conformal N=2 SU(2) quiver gauge theories in the presence of a certain surface operator. In this paper we extend this...
Autores principales: | Kozcaz, Can, Pasquetti, Sara, Passerini, Filippo, Wyllard, Niclas |
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Lenguaje: | eng |
Publicado: |
2010
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1007/JHEP01(2011)045 http://cds.cern.ch/record/1284118 |
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