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hep-th2015★ 197 cited
Integration-by-parts reductions from unitarity cuts and algebraic geometry
Kasper J. Larsen, Yang Zhang
We show that the integration-by-parts reductions of various two-loop integral topologies can be efficiently obtained by applying unitarity cuts to a specific set of subgraphs and s…
hep-th2015★ 19 cited
Cross-Order Integral Relations from Maximal Cuts
Henrik Johansson, David A. Kosower, Kasper J. Larsen +1
We study the ABDK relation using maximal cuts of one- and two-loop integrals with up to five external legs. We show how to find a special combination of integrals that allows the r…