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The chromatic number of signed graphs with bounded maximum average degree
A signed graph is a simple graph with two types of edges: positive and n...
04/22/2021 ∙ by Fabien Jacques, et al. ∙
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On the chromatic numbers of signed triangular and hexagonal grids
A signed graph is a simple graph with two types of edges. Switching a ve...
12/17/2020 ∙ by Fabien Jacques, et al. ∙
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The chromatic number of 2-edge-colored and signed graphs of bounded maximum degree
A 2-edge-colored graph or a signed graph is a simple graph with two type...
09/11/2020 ∙ by Christopher Duffy, et al. ∙
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