Q A ] 2 5 Ju n 20 08 A rigidity theorem for Moor-bialgebras


We introduce the operad Moor, dual of the operad NAP and the notion of Moor-bialgebras. We warn the reader that the compatibility relation linking the Moor-operation with the Moor-cooperation is not distributive in the sense of Loday. Nevertheless, a rigidity theorem (à la Hopf-Borel) for the category of connected Moorbialgebras is given. We show also that… (More)


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