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@article{Brewster2009EdgeswitchingHO, title={Edge-switching homomorphisms of edge-coloured graphs}, author={Richard C. Brewster and Timothy Graves}, journal={Discrete Mathematics}, year={2009}, volume={309}, pages={5540-5546} }

- Published 2009 in Discrete Mathematics
DOI:10.1016/j.disc.2008.03.021

An edge-coloured graph G is a vertex set V(G) together with m edge sets distinguished by m colours. Let π be a permutation on {1, 2, . . . ,m}. We define a switching operation consisting of π acting on the edge colours similar to Seidel switching, to switching classes as studied by Babai and Cameron, and to the pushing operation studied by Klostermeyer and MacGillivray. An edge-coloured graph G is π-permutably homomorphic (respectively π-permutably isomorphic) to an edge-coloured graph H if… CONTINUE READING