Fast exact algorithms for some connectivity problems parametrized by clique-width - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2017

Fast exact algorithms for some connectivity problems parametrized by clique-width

Résumé

Given a clique-width expression of a graph $G$ of clique-width $k$, we provide $2^{O(k)}\cdot n^{O(1)}$ time algorithms for connectivity constraints on locally checkable properties such as Connected Dominating Set, Connected Perfect Dominating Set or Node-Weighted Steiner Tree. We also propose an $2^{O(k)}\cdot n^{O(1)}$ time algorithm for Feedback Vertex Set. The best running times for all the considered cases were either $2^{O(k\cdot \log(k))}\cdot n^{O(1)}$.
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Dates et versions

hal-01560555 , version 1 (11-07-2017)
hal-01560555 , version 2 (15-08-2018)

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Citer

Benjamin Bergougnoux, Mamadou Moustapha Kanté. Fast exact algorithms for some connectivity problems parametrized by clique-width. 2017. ⟨hal-01560555v1⟩
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