Framed and oriented links of codimension 2

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We discuss the relationship between the m-th homotopy group of the one-point union of r copies of the two-dimensional sphere and the m-th homotopy group of the one-point union of r+1 copies of the Thom space of the oriented two-dimensional universal vector bundle. Using a suitably choosen isomorphism between them a forgetful homomorphism is computed by evaluating on factors of the Hilton splitting.
5 figures; revised on 6 June

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Geometric Topology, Algebraic Topology, 55Q20;57Q45

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http://salesiana.dossiersoluciones.com/handle/123456789/64177

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0205300
 http://arxiv.org/abs/math/0205300

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arXiv