Robuta

https://research.vu.nl/en/publications/a-simplicial-a-infinity-operad-acting-on-r-completions/ A simplicial A-infinity operad acting on R-completions - Vrije Universiteit Amsterdam vrije universiteit amsterdam acting on simplicial infinity operad https://www.lisn.upsaclay.fr/publications/a-set-operad-of-formal-fractions-and-dendriform-like-sub-operads/ A set-operad of formal fractions and dendriform-like sub-operads - LISN | Laboratoire... a set operad formal fractions dendriform