Spaces of graphs and surfaces: on the work of Søren Galatius

Tillmann, Ulrike

doi:10.1090/S0273-0979-2011-01360-X

Spaces of graphs and surfaces: on the work of Søren Galatius
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Bull. Amer. Math. Soc. 49 (2012), 73-90 Request permission

Abstract:

We put Soren Galatius’s result on the homology of the automorphism group of free groups into context. In particular we explain its relation to the Mumford conjecture and the main ideas of the proofs.

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