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Isomorphism for Graphs of Bounded Feedback Vertex Set Number

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Algorithm Theory - SWAT 2010 (SWAT 2010)

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Abstract

This paper presents an \({\mathcal O}(n^2)\) algorithm for deciding isomorphism of graphs that have bounded feedback vertex set number. This number is defined as the minimum number of vertex deletions required to obtain a forest. Our result implies that Graph Isomorphism is fixed-parameter tractable with respect to the feedback vertex set number. Central to the algorithm is a new technique consisting of an application of reduction rules that produce an isomorphism-invariant outcome, interleaved with the creation of increasingly large partial isomorphisms.

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Kratsch, S., Schweitzer, P. (2010). Isomorphism for Graphs of Bounded Feedback Vertex Set Number. In: Kaplan, H. (eds) Algorithm Theory - SWAT 2010. SWAT 2010. Lecture Notes in Computer Science, vol 6139. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13731-0_9

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  • DOI: https://doi.org/10.1007/978-3-642-13731-0_9

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-13730-3

  • Online ISBN: 978-3-642-13731-0

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