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Dualities of Corner Configurations and Supersymmetric Indices (1902.05175v3)
Published 14 Feb 2019 in hep-th
Abstract: We compute supersymmetric indices which count local operators at certain half-BPS interfaces and quarter-BPS junctions of interfaces in four-dimensional $\mathcal{N}=4$ Super Yang-Mills theory. We use the indices as very stringent tests of a variety of string theory-inspired conjectures about the action of S-duality on such defects.