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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...

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Detalles Bibliográficos
Autores principales: Kozcaz, Can, Pasquetti, Sara, Passerini, Filippo, Wyllard, Niclas
Lenguaje:eng
Publicado: 2010
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP01(2011)045
http://cds.cern.ch/record/1284118

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