Mod 2 degree and a generalized No Retrac
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Ethan D. Bloch
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Article
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2006
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John Wiley and Sons
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English
⚖ 102 KB
## Abstract We provide elementary proofs of generalized versions of the No Retraction Theorem and Sperner's Lemma, and a simple definition of mod 2 degree of certain maps. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)