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Colour Switching and Homeomorphism of Manifolds
Published online by Cambridge University Press: 20 November 2018
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Throughout this paper, we work in the PL and pseudosimplicial categories, for which we refer to [17] and [10] respectively. For the graph theory involved see [9].
An h-coloured graph (Γ, γ) is a multigraph Γ = (V(Γ), E(Γ)) regular of degree h, endowed with an edge-coloration γ by h colours. If is the colour set, for each we set
For each set . For n ∊ Z, n ≧ 1, set
Δn will be mostly used to denote the colour set for an (n + 1)-coloured graph.
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- Copyright © Canadian Mathematical Society 1987
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