Drinfel'd algebra deformations and the associahedra

Details Drinfel'd algebra deformations and the associahedra Drinfel'd algebra deformations and the associahedra

1993-12-27

arxiv.org/abs/hep-th/9312196v1

Physics

High Energy Physics

High Energy Physics - Theory

6 pages

Scientific paper

We construct a cohomology theory controlling the deformations of a general Drinfel'd algebra. The picture presented here has two sides -- the combinatorial one related with the fact of the existence of a graded Lie algebra structure on the simplicial cochain complex of the associahedra, and the algebraic one related with the algebra of derivations on the bar construction.

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