Continuous k-to-1 functions between comp
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John Baptist Gauci; Anthony J. W. Hilton
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Article
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2009
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John Wiley and Sons
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English
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A function between graphs is k-to-1 if each point in the codomain has precisely k pre-images in the domain. Given two graphs, G and H, and an integer k โฅ 1, and considering G and H as subsets of R 3 , there may or may not be a k-to-1 continuous function (i.e. a k-to-1 map in the usual topological se