Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series IPHT-HEP
Subjects hep-ph
Date Wednesday 28 June 2017
Time 14:15
Institute IPHT
Seminar Room Salle Claude Itzykson, Bât. 774
Speaker's Last Name Ruth Britto
Speaker's First Name
Speaker's Email Address
Speaker's Institution Trinity College Dublin
Title A Hopf algebra for Feynman diagrams and integrals
Abstract I will present a combinatorial operation on one-loop Feynman diagrams, described by cutting and pinching edges, that corresponds to the Hopf-algebraic coaction on the multiple polylogarithms resulting from their integration. A generalization of this operation, expressed simply in terms of master integrands paired with master contours, can be applied directly to larger classes of functions including hypergeometric functions. I will discuss applications to analyses of discontinuities of and differential equations for Feynman diagrams.
arXiv Preprint Number

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