Partition functions of N=1 gauge theories on S2×R2ε and duality
Résumé
We compute the partition functions of N=1 gauge theories on S2×R2ε using supersymmetric localization. The path integral reduces to a sum over vortices at the poles of S2 and at the origin of R2ε. The exact partition functions allow us to test Seiberg duality beyond the supersymmetric index. We propose the N=1 partition functions on the Ω-background, and show that the Nekrasov partition functions can be recovered from these building blocks.