Cycles, submanifolds, and structures on normal bundles

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We give explicit examples of degree 3 cohomology classes not Poincare dual to submanifolds, and discuss the realisability of homology classes by submanifolds with Spin-C normal bundles.
Several changes including an improvement of Theorem 1, our new examples have torsion-free homology

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Geometric Topology, High Energy Physics - Theory, Algebraic Topology, 57R95 ; 81T30

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http://salesiana.dossiersoluciones.com/handle/123456789/60409

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0011178
 http://arxiv.org/abs/math/0011178
 Manuscripta Math. 108 (2002), 483--494.
 doi:10.1007/s002290200279

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arXiv