New identities in dendriform algebras

Abstract : Dendriform structures arise naturally in algebraic combinatorics (where they allow, for example, the splitting of the shuffle product into two pieces) and through Rota-Baxter algebra structures (the latter appear, among others, in differential systems and in the renormalization process of pQFT). We prove new combinatorial identities in dendriform dialgebras that appear to be strongly related to classical phenomena, such as the combinatorics of Lyndon words, rewriting rules in Lie algebras, or the fine structure of the Malvenuto-Reutenauer algebra. One of these identities is an abstract noncommutative, dendriform, generalization of the Bohnenblust-Spitzer identity and of an identity involving iterated Chen integrals due to C.S. Lam.
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Contributor : Dominique Manchon <>
Submitted on : Friday, May 14, 2010 - 12:51:39 PM
Last modification on : Wednesday, October 17, 2018 - 1:16:54 AM

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  • HAL Id : hal-00483480, version 1
  • ARXIV : 0705.2636

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Kurusch Ebrahimi-Fard, Dominique Manchon, Frédéric Patras. New identities in dendriform algebras. Journal of Algebra, Elsevier, 2008, 320, pp.708-727. ⟨hal-00483480⟩

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