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Résumé |
I will review some recent results in N=4 SYM where we compute exactly, as
functions of the holomorphic coupling constant $\tau$ and the number of colours N,
certain integrated correlators of four superconformal primary operators in the
stress-tensor multiplet, as well as integrated correlators of two such operators
in the presence of a half-BPS line defect. The modular properties of these
physical observables induced by electro-magnetic duality will prove of fundamental
importance in our discussion.
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