Abstract | ||
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Tree-width and clique-width are two important graph complexity measures that serve as parameters in many fixed-parameter tractable algorithms. We give two algorithms that transform tree-decompositions represented by normal trees into clique-width terms (a rooted tree is normal for a graph if its nodes are the vertices of the graph and every two adjacent vertices are on a path of the tree starting at the root). As a consequence, we obtain that, for certain classes of sparse graphs, clique-width is polynomially bounded in terms of tree-width. It is even linearly bounded for planar graphs and incidence graphs. These results are useful in the construction of model-checking algorithms for problems described by monadic second-order formulae, including those allowing edge set quantifications. |
Year | DOI | Venue |
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2018 | 10.1016/j.dam.2017.04.040 | Discrete Applied Mathematics |
Keywords | Field | DocType |
Tree-width,Clique-width,Sparse graph,Planar graph,Incidence graph,Fixed-parameter tractable algorithm | Block graph,Discrete mathematics,Combinatorics,Trémaux tree,Tree-depth,Chordal graph,Independent set,Treewidth,Pathwidth,Mathematics,Split graph | Journal |
Volume | ISSN | Citations |
248 | 0166-218X | 2 |
PageRank | References | Authors |
0.35 | 16 | 1 |
Name | Order | Citations | PageRank |
---|---|---|---|
Bruno Courcelle | 1 | 3418 | 388.00 |