We show that subtree prune and regraft (uSPR) distance on unrooted trees is fixed parameter tractable with respect to the distance. We also make progress on a conjecture of Steel on the preservation of uSPR distance under chain reduction, improving on lower bounds of Hickey et al.
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On the complexity of uSPR distance.
IEEE/ACM Trans Comput Biol Bioinform
December 2010
Lenguajes y Sistemas Informaticos, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain.
We show that subtree prune and regraft (uSPR) distance on unrooted trees is fixed parameter tractable with respect to the distance. We also make progress on a conjecture of Steel on the preservation of uSPR distance under chain reduction, improving on lower bounds of Hickey et al.
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