On the cobar construction of a bialgebra

2004/06/24 by Tornike Kadeishvili, Kadeishvili, Tornike · 1 citation
Mathematics · #55P48 #Algebraic Topology (math.AT) #FOS: Mathematics #math.AT #msc:55P48

paper · pdf · doi:10.48550/arxiv.math/0406502

11 pages

arxiv created 2004/06/24 · arxiv updated 2009/12/01

Abstract

We show that the cobar construction of a DG-bialgebra is a homotopy G-algebra. This implies that the bar construction of this cobar is a DG-bialgebra as well.

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• Brace B_∞ algebras associated with Hopf algebroids

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