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The algebraic structure of cut Feynman integrals and the diagrammatic coaction / Abreu, Samuel (Freiburg U.) ; Britto, Ruth (IPhT, Saclay ; Trinity Coll., Dublin) ; Duhr, Claude (CERN ; Louvain U., CP3) ; Gardi, Einan (U. Edinburgh, Higgs Ctr. Theor. Phys.)
We study the algebraic and analytic structure of Feynman integrals by proposing an operation that maps an integral into pairs of integrals obtained from a master integrand and a corresponding master contour. This operation is a coaction. [...]
arXiv:1703.05064; CERN-TH-2017-056.- 2017-07-31 - 6 p. - Published in : Phys. Rev. Lett. 119 (2017) 051601 Fulltext: arXiv:1703.05064 - PDF; 10.1103_PhysRevLett.119.051601 - PDF;

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