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Instantons on Quivers and Orientifolds

Francesco Fucito, Jose F. Morales, Rubik Poghossian

hep-tharXiv:hep-th/0408090

Abstract

We compute the prepotential for gauge theories descending from N=4 SYM via quiver projections and mass deformations. This accounts for gauge theories with product gauge groups and bifundamental matter. The case of massive orientifold gauge theories with gauge group SO/Sp is also described. In the case with no gravitational corrections the results are shown to be in agreement with Seiberg-Witten analysis and previous results in the literature.

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