Abstract
We describe a fixed parameter tractable (fpt) algorithm for Colored Hypergraph Isomorphism, denoted CHI, which has running time (2b 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 an fpt algorithm for a parameterized coset intersection problem that is used as a subroutine in our algorithm for CHI.
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We thank the referees for their helpful comments and suggestions.
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Supported by the Research Group Linkage Programme of the Alexander von Humboldt Foundation. A preliminary version of this paper appeared in the Proceedings of the 30th Conference on Foundations of Software Technology and Theoretical Computer Science, 2010 [1].
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Arvind, V., Das, B., Köbler, J. et al. Colored Hypergraph Isomorphism is Fixed Parameter Tractable. Algorithmica 71, 120–138 (2015). https://doi.org/10.1007/s00453-013-9787-y
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DOI: https://doi.org/10.1007/s00453-013-9787-y