Spaces of PL Manifolds and Categories of Simple Maps (BOK)

Friedhelm Waldhausen, Bjorn Jahren, John Rognes

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Since its introduction by Friedhelm Waldhausen in the 1970s, the algebraic K-theory of spaces has been recognized as the main tool for studying parametrized phenomena in the theory of manifolds. However, a full proof of the equivalence relating the two areas has not appeared until now. This book presents such a proof, essentially completing Waldhausen's program from more than thirty years ago. The main result is a stable parametrized h-cobordism theorem, derived from a homotopy equivalence between a space of PL h-cobordisms on a space X and the classifying space of a category of simple maps of spaces having X as deformation retract. The smooth and topological results then follow by smoothing and triangulation theory. The proof has two main parts. The essence of the first part is a "desingularization," improving arbitrary finite simplicial sets to polyhedra. The second part compares polyhedra with PL manifolds by a thickening procedure. Many of the techniques and results developed should be useful in other connections.

Produktfakta

Språk Engelsk Engelsk Innbinding Heftet
Utgitt 2013 Forfatter Bjorn Jahren, Friedhelm Waldhausen, John Rognes
Forlag
University Press Group Ltd
ISBN 9780691157764
Antall sider 192 Dimensjoner 15,2cm x 22,9cm x 1,5cm
Vekt 28 gram Leverandør Bertram Trading Ltd
Emner og form Functional analysis & transforms, Topology