Abstract
We consider the problem of finding a k-edge transversal set that intersects all (simple) cycles of length at most s in a planar graph, where s ≥ 3 is a constant. This problem, referred to as Small Cycle Transversal, is known to be NP-complete. We present a polynomial-time algorithm that computes a kernel of size 36 s 3 k for Small Cycle Transversal. In order to achieve this kernel, we extend the region decomposition technique of Alber et al. [J. ACM, 2004 ] by considering a unique region decomposition that is defined by shortest paths. Our kernel size is an exponential improvement in terms of s over the kernel size obtained under the meta-kernelization framework by Bodlaender et al. [FOCS, 2009 ].
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Xia, G., Zhang, Y. (2010). On the Small Cycle Transversal of Planar Graphs. In: Thilikos, D.M. (eds) Graph Theoretic Concepts in Computer Science. WG 2010. Lecture Notes in Computer Science, vol 6410. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-16926-7_12
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DOI: https://doi.org/10.1007/978-3-642-16926-7_12
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