A Chen model for mapping spaces and the surface product

Details A Chen model for mapping spaces and the surface product A Chen model for mapping spaces and the surface product

2009-05-14

arxiv.org/abs/0905.2231v2

Annales scientifiques de l'ENS, s\'erie 4 43, fascicule 5 (2010), 811-881

Mathematics

Quantum Algebra

70 pages, published version

Scientific paper

We develop a machinery of Chen iterated integrals for higher Hochschild complexes. These are complexes whose differentials are modeled on an arbitrary simplicial set much in the same way the ordinary Hochschild differential is modeled on the circle. We use these to give algebraic models for general mapping spaces and define and study the surface product operation on the homology of mapping spaces of surfaces of all genera into a manifold. This is an analogue of the loop product in string topology. As an application, we show this product is homotopy invariant. We prove Hochschild-Kostant-Rosenberg type theorems and use them to give explicit formulae for the surface product of odd spheres and Lie groups.

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