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1 paper

math.QA2025

Generalized Connes-Kreimer Hopf algebras on decorated rooted forests by weighted cocycles

Fei Wang, Li Guo, Yi Zhang

The Connes-Kreimer Hopf algebra of rooted trees is an operated Hopf algebra whose coproduct satisfies the classical Hochschild 1-cocycle condition. In this paper, we extend the set…