%0 Journal Article %A Nicolas Gilliers %A Carlo Bellingeri %T On the Signature of a Path in an Operator Algebra %J Symmetry, integrability and geometry: methods and applications %D 2022 %V 18 %U http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a95/ %G en %F SIGMA_2022_18_a95