Abstract
The aim of this paper is to give an s-cobordism classification of topological 4 manifolds in terms of the standard invariants using the group of homotopy self-equivalences. Hambleton and Kreck constructed a braid to study the group of homotopy self-equivalences of 4-manifolds. Using this braid together with the modified surgery theory of Kreck, we give an s-cobordism classification for certain 4-manifolds with fundamental group π, such that cd π ≤ 2.
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Hegenbarth, F., Pamuk, M. & Repovš, D. s-Cobordism Classification of 4-Manifolds Through the Group of Homotopy Self-equivalences. Mediterr. J. Math. 12, 1107–1121 (2015). https://doi.org/10.1007/s00009-014-0456-4
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DOI: https://doi.org/10.1007/s00009-014-0456-4