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hep-th2013★ 35 cited
Surface defects, the superconformal index and q-deformed Yang-Mills
Luis F. Alday, Mathew Bullimore, Martin Fluder +1
Recently a prescription to compute the four-dimensional N = 2 superconformal index in the presence of certain BPS surface defects has been given. These surface defects are labelled…
hep-th2013★ 36 cited
On S-duality of the Superconformal Index on Lens Spaces and 2d TQFT
Luis F. Alday, Mathew Bullimore, Martin Fluder
We consider the 4d superconformal index for gauge theories on , where is a Lens space. We focus on a one-parameter slice of the three-dimen…