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Colored Hypergraph Isomorphism is Fixed Parameter Tractable

Authors V. Arvind, Bireswar Das, Johannes Köbler, Seinosuke Toda

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V. Arvind
Bireswar Das
Johannes Köbler
Seinosuke Toda

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V. Arvind, Bireswar Das, Johannes Köbler, and Seinosuke Toda. Colored Hypergraph Isomorphism is Fixed Parameter Tractable. In IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2010). Leibniz International Proceedings in Informatics (LIPIcs), Volume 8, pp. 327-337, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2010)


We describe a fixed parameter tractable (fpt) algorithm for Colored Hypergraph Isomorphism} which has running time $2^{O(b)}N^{O(1)}$, where the parameter $b$ is the maximum size of the color classes of the given hypergraphs and $N$ is the input size. We also describe fpt algorithms for certain permutation group problems that are used as subroutines in our algorithm.
  • Fixed parameter tractability
  • fpt algorithms
  • graph isomorphism
  • computational complexity


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