Article ID Journal Published Year Pages File Type
5777360 European Journal of Combinatorics 2017 6 Pages PDF
Abstract
We prove that every triangle-free graph of tree-width t has chromatic number at most ⌈(t+3)∕2⌉, and demonstrate that this bound is tight. The argument also establishes a connection between coloring graphs of tree-width t and on-line coloring of graphs of path-width t.
Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics
Authors
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