%0 Journal Article %A Francis Brown %T Invariant Differential Forms on Complexes of Graphs and Feynman Integrals %J Symmetry, integrability and geometry: methods and applications %D 2021 %V 17 %U http://geodesic.mathdoc.fr/item/SIGMA_2021_17_a102/ %G en %F SIGMA_2021_17_a102