Feynman graph generation and calculations in the Hopf algebra of Feynman graphs

Title of program: feyngen, feyncop Catalogue Id: AEUB_v1_0 Nature of problem Performing explicit calculations in quantum field theory Feynman graphs are indispensable. Infinities arising in the perturbative calculations make renormalization necessary. On a combinatorial level renormalization can be encoded using a Hopf algebra [2] whose coproduct incorporates the BPHZ procedure. Upcoming techniques initiated an interest in relatively large loop order Feynman diagrams which are not accessible by traditional tools. Versions of this program held in the CPC repository in Mendeley Data AEUB_v1_0; feyngen, feyncop; 10.1016/j.cpc.2014.07.023 This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018)