## Fixed parameter algorithms for planar dominating set and related problems (2000)

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Citations: | 35 - 10 self |

### BibTeX

@INPROCEEDINGS{Alber00fixedparameter,

author = {Jochen Alber and Hans L. Bodlaender and Henning Fernau and Rolf Niedermeier},

title = {Fixed parameter algorithms for planar dominating set and related problems},

booktitle = {},

year = {2000},

pages = {97--110},

publisher = {Springer}

}

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### Abstract

We present an algorithm that constructively produces a solution to the k-dominating set problem for planar graphs in time O(c √ kn), where c = 36√34. To obtain this result, we show that the treewidth of a planar graph with domination number γ(G) is O ( � γ(G)), and that such a tree decomposition can be found in O ( � γ(G)n) time. The same technique can be used to show that the k-face cover problem (find a size k set of faces that cover all vertices of a given plane graph) can be solved √ k in O(c1 n + n2) time, where c1 = 236√34 and k is the size of the face cover set. Similar results can be obtained in the planar case for some variants of k-dominating set, e.g., k-independent dominating set and k-weighted dominating set. Keywords. NP-complete problems, fixed parameter tractability, planar graphs, planar dominating set, face cover, outerplanarity, treewidth.