Abstract
We define a cycle-compelling coloring of a graph as a proper coloring of the vertices such that every subgraph induced by one vertex of each color contains a cycle. The cycle-compelling number is defined to be the minimum k such that some k-coloring is cycle-compelling. We provide some general bounds and algorithmic results on this and related parameters. We also investigate the value in specific graph families including cubic graphs, disjoint union of cliques, and outerplanar graphs.
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References
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Thanks to the audience members at the talk for their questions that, in particular, suggested considering the guaranteed version.
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Bachstein, A., Goddard, W., Xue, J. (2024). Cycle-Compelling Colorings of Graphs. In: Hoffman, F., Holliday, S., Rosen, Z., Shahrokhi, F., Wierman, J. (eds) Combinatorics, Graph Theory and Computing. SEICCGTC 2021. Springer Proceedings in Mathematics & Statistics, vol 448. Springer, Cham. https://doi.org/10.1007/978-3-031-52969-6_19
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DOI: https://doi.org/10.1007/978-3-031-52969-6_19
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