Automorphisms of manifolds

Details Automorphisms of manifolds Automorphisms of manifolds

2000-12-13

arxiv.org/abs/math/0012101v1

Mathematics

Algebraic Topology

56 pages; survey paper; appears also in "Surveys on Surgery Theory: Volume 2" (eds. S.Cappell, A.Ranicki, J.Rosenberg), Prince

Scientific paper

This is a survey paper on spaces of automorphisms of manifolds and spaces of manifolds in a fixed homotopy type. It describes the main theorems of traditional surgery theory, but also the main theorems of pseudoisotopy theory, alias concordance theory, Waldhausen style. It culminates in (an outline of) a synthesis of these two theories, producing algebraic models, valid in a stable range, for spaces of manifolds in a fixed homotopy type. This is inspired by earlier work of Burghelea-Lashof and Hatcher. The algebraic models are a mix of algebraic L-theory and algebraic K-theory.

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