# Tinkertoys for Gaiotto duality

 Title: Tinkertoys for Gaiotto duality Author: Chacaltana Alarcon, Oscar Chacaltana Abstract: We describe a procedure for classifying 4D N=2 superconformal theories of the type introduced by Davide Gaiotto. Any punctured curve, C, on which the 6D (2,0) SCFT is compactified, may be decomposed into 3-punctured spheres, connected by cylinders. The 4D theories, which arise, can be characterized by listing the matter" theories corresponding to 3-punctured spheres, the simple gauge group factors, corresponding to cylinders, and the rules for connecting these ingredients together. Different pants decompositions of C correspond to different S-duality frames for the same underlying family of 4D \mathcal{N}=2 SCFTs. We developed such a classification for the A_{N-1} and the D_N series of 6D (2,0) theories. We outline the procedure for general A_{N-1} and D_N, and construct, in detail, the classification through A_4 and D_4, respectively. Department: Physics Subject: Supersymmetric field theory M-theory S-duality String theory Quantum field theory Gaiotto duality Nilpotent orbits Supersymmetry URI: http://hdl.handle.net/2152/ETD-UT-2011-08-4359 Date: 2011-08

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