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Exotic smooth structures on small 4-manifolds

โœ Scribed by Anar Akhmedov; B. Doug Park


Publisher
Springer-Verlag
Year
2008
Tongue
English
Weight
262 KB
Volume
173
Category
Article
ISSN
0020-9910

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Let M be a noncompact 4-manifold with at least two open ends. Suppose that one of these ends is homeomorphic to N x iI& where N is an oriented 3-manifold satisfying one of the following conditions: (i) ~1 (N) is an extension of the free group by a perfect normal subgroup. (ii) HI (N) g Z/n, @. @ Z