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Published in: Journal of Combinatorial Optimization 1/2020

19-10-2019

Tree-coloring problems of bounded treewidth graphs

Authors: Bi Li, Xin Zhang

Published in: Journal of Combinatorial Optimization | Issue 1/2020

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Abstract

This paper studies the parameterized complexity of the tree-coloring problem and equitable tree-coloring problem. Given a graph \(G=(V,E)\) and an integer \(r \ge 1\), we give an FPT algorithm to decide whether there is a tree-r-coloring of graph G when parameterized by treewidth. Moreover, we prove that to decide the existence of an equitable tree-r-coloring of graph G is W[1]-hard when parameterized by treewidth; and that it is polynomial solvable in the class of graphs with bounded treewidth.

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Metadata
Title
Tree-coloring problems of bounded treewidth graphs
Authors
Bi Li
Xin Zhang
Publication date
19-10-2019
Publisher
Springer US
Published in
Journal of Combinatorial Optimization / Issue 1/2020
Print ISSN: 1382-6905
Electronic ISSN: 1573-2886
DOI
https://doi.org/10.1007/s10878-019-00461-7

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