Manifolds withS1-category 2 have cyclic fundamental groups
✍ Scribed by J. C. Gómez-Larrañaga; F. González-Acuña; Wolfgang Heil
- Publisher
- Springer-Verlag
- Year
- 2009
- Tongue
- French
- Weight
- 163 KB
- Volume
- 266
- Category
- Article
- ISSN
- 0025-5874
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📜 SIMILAR VOLUMES
A closed connected n-manifold N is called a codimension 2 fibrator (codimension 2 orientable fibrator, respectively) if each proper map p : M → B on an (orientable, respectively) (n+2)-manifold M each fiber of which is shape equivalent to N is an approximate fibration. Let r be a nonnegative integer
Every hopfian n-manifold N with hyperhopfian fundamental group is known to be a codimension-2 orientable fibrator. In this paper, we generalize to the non-orientable setting by considering the covering space N of N corresponding to H , where H is the intersection of all subgroups H i of index 2 in π