Abstract
There are two basic topological problems regarding mappings that are called the extension problem and the lifting problem. In algebraic topology, these problems are often treated by means of obstruction theory. In this chapter we give an introduction to the main ideas of this theory.
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© 2011 Springer Science+Business Media, LLC
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Arkowitz, M. (2011). Obstruction Theory. In: Introduction to Homotopy Theory. Universitext. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-7329-0_9
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DOI: https://doi.org/10.1007/978-1-4419-7329-0_9
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Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4419-7328-3
Online ISBN: 978-1-4419-7329-0
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