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Polynomial-time algorithms for the longest induced path and induced disjoint paths problems on graphs of bounded mim-width. (English) Zbl 1443.68131

Lokshtanov, Daniel (ed.) et al., 12th international symposium on parameterized and exact computation, IPEC 2017, Vienna, Austria, September 6–8, 2017. Wadern: Schloss Dagstuhl – Leibniz Zentrum für Informatik. LIPIcs – Leibniz Int. Proc. Inform. 89, Article 21, 13 p. (2018).
Summary: We give the first polynomial-time algorithms on graphs of bounded maximum induced matching width (mim-width) for problems that are not locally checkable. In particular, we give \(n^{\mathcal{O}(w)}\)-time algorithms on graphs of mim-width at most \(w\), when given a decomposition, for the following problems: Longest Induced Path, Induced Disjoint Paths and \(H\)-Induced Topological Minor for fixed \(H\). Our results imply that the following graph classes have polynomial-time algorithms for these three problems: Interval and Bi-Interval graphs, Circular Arc, Permutation and Circular Permutation graphs, Convex graphs, \(k\)-Trapezoid, Circular \(k\)-Trapezoid, \(k\)-Polygon, Dilworth-\(k\) and Co-\(k\)-Degenerate graphs for fixed \(k\).
For the entire collection see [Zbl 1387.68026].

MSC:

68R10 Graph theory (including graph drawing) in computer science
05C85 Graph algorithms (graph-theoretic aspects)
68Q25 Analysis of algorithms and problem complexity
68W40 Analysis of algorithms

References:

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