%0 Journal Article %A Tasos Moulinos %T Cogroupoid structures on the circle and the Hodge degeneration %J Forum of Mathematics, Sigma %D 2024 %V 12 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2023.122/ %R 10.1017/fms.2023.122 %G en %F 10_1017_fms_2023_122