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<b>HET SEMINAR</b><br>Cross-Order Relations from Maximal Unitarity

Friday, October 16, 2015
4:00 AM
335 West Hall

I discuss the use of maximal unitarity at two loops, and how to phrase it in terms of multivariate contour integrals. I present some of the novelties of contour integration in multiple complex dimensions. I show how to use maximal unitarity to reconstruct the ABDK relation between one- and two-loop amplitudes at four and five external legs in the maximally supersymmetric Yang-Mills theory.