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hep-th2018★ 2 cited
Coaction for Feynman integrals and diagrams
Samuel Abreu, Ruth Britto, Claude Duhr +2
We propose a general coaction for families of integrals appearing in the evaluation of Feynman diagrams, such as multiple polylogarithms and generalized hypergeometric functions. W…
hep-th2018
The diagrammatic coaction and the algebraic structure of cut Feynman integrals
Samuel Abreu, Ruth Britto, Claude Duhr +1
We present a new formula for the coaction of a large class of integrals. When applied to one-loop (cut) Feynman integrals, it can be given a diagrammatic representation purely in t…