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Effective homotopy of fibrations

โœ Scribed by Romero, Ana; Sergeraert, Francis


Book ID
113021153
Publisher
Springer
Year
2012
Tongue
English
Weight
216 KB
Volume
23
Category
Article
ISSN
0938-1279

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A homotopy fibration theorem in dimensio
โœ Jonathan A. Hillman ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 697 KB

We adapt and extend work of Barge to show that, under assumptions on the fundamental group alone, an infinite cyclic cover of a 4-dimensional Poincar~ duality complex with Euler characteristic 0 satisfies Poincar~ duality with local coefficients and so is a 3-dimensional Poincar6 duality complex. Th