Isomorphism testing of k-spanning tournaments is Fixed Parameter Tractable

01/28/2022

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by   Vikraman Arvind, et al.

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An arc-colored tournament is said to be k-spanning for an integer k≥ 1 if the union of its arc-color classes of maximal valency at most k is the arc set of a strongly connected digraph. It is proved that isomorphism testing of k-spanning tournaments is fixed-parameter tractable.