On the relation between lifting obstructions and ordinary obstructions

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We consider partial liftings of maps at fibrations and compare the primary obstruction to extend the lifting with the obstruction to extend the lifting as a simple map into the total space. A relation between these two obstructions is proved for the case when the fiber is an Eilenberg-MacLane space. Furthermore it is shown that this result specialises to well known facts about secondary obstructions.
LaTeX, 9 pages. To appear in Top. Appl

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Algebraic Topology, 55S35 (Primary) 55S40 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/77819

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9812054
 http://arxiv.org/abs/math/9812054

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arXiv