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hep-th2010★ 70 cited
Affine sl(N) conformal blocks from N=2 SU(N) gauge theories
Can Kozcaz, Sara Pasquetti, Filippo Passerini +1
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-dimension…
hep-th2010★ 132 cited
A & B model approaches to surface operators and Toda theories
Can Kozcaz, Sara Pasquetti, Niclas Wyllard
It has recently been argued by Alday et al that the inclusion of surface operators in 4d N=2 SU(2) quiver gauge theories should correspond to insertions of certain degenerate opera…