HyperEuclidean manifolds and the Novikov Conjecture

Details HyperEuclidean manifolds and the Novikov Conjecture HyperEuclidean manifolds and the Novikov Conjecture

2001-02-19

arxiv.org/abs/math/0102153v1

Mathematics

Geometric Topology

27 pages

Scientific paper

We develop some basic Lipschitz homotopy technique and apply it to manifolds with finite asymptotic dimension. In particular we show that the Higson compactification of a uniformly contractible manifold is mod $p$ acyclic in the finite dimensional case. Then we give an alternative proof of the Higher Signature Novikov Conjecture for the groups with finite asymptotic dimension. Finally we define an asymptotically piecewise Euclidean metric space as a space which admits an approximation by Euclidean asymptotic polyhedra. We show that the Gromov-Lawson conjecture holds for the asymptotically piecewise Euclidean groups. Also we prove that expanders are not asymptotically piecewise Euclidean

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