Abstract
The whole of this chapter will be devoted to applications of homology theory. We start by defining the ‘degree’ of a map from the n-sphere to itself, a concept due to Brouwer which allows one to decide whether or not two such maps are homotopic.
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© 1983 Springer Science+Business Media New York
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Armstrong, M.A. (1983). Degree and Lefschetz Number. In: Basic Topology. Undergraduate Texts in Mathematics. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-1793-8_9
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DOI: https://doi.org/10.1007/978-1-4757-1793-8_9
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4419-2819-1
Online ISBN: 978-1-4757-1793-8
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