Surgery and involutions on 4-manifolds

Details Surgery and involutions on 4-manifolds Surgery and involutions on 4-manifolds

2005-05-18

arxiv.org/abs/math/0505394v2

Algebr. Geom. Topol. 5 (2005) 1719-1732

Mathematics

Geometric Topology

Published by Algebraic and Geometric Topology at http://www.maths.warwick.ac.uk/agt/AGTVol5/agt-5-70.abs.html

Scientific paper

We prove that the canonical 4-dimensional surgery problems can be solved after passing to a double cover. This contrasts the long-standing conjecture about the validity of the topological surgery theorem for arbitrary fundamental groups (without passing to a cover). As a corollary, the surgery conjecture is reformulated in terms of the existence of free involutions on a certain class of 4-manifolds. We consider this question and analyze its relation to the A,B-slice problem.

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