Isomorphism testing of $k$-spanning tournaments is Fixed Parameter Tractable

January 28, 2022 · The Ethereal · 🏛 arXiv.org

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Authors Vikraman Arvind, Ilia Ponomarenko, Grigory Ryabov arXiv ID 2201.12312 Category math.CO: Combinatorics Cross-listed cs.CC, cs.DS Citations 1 Venue arXiv.org Last Checked 3 months ago
Abstract
An arc-colored tournament is said to be $k$-spanning for an integer $k\geq 1$ 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.
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