Professor Magnus Bordewich m.j.r.bordewich@durham.ac.uk
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On the Maximum Agreement Subtree Conjecture for Balanced Trees
Bordewich, Magnus; Linz, Simone; Owen, Megan; St. John, Katherine; Semple, Charles; Wicke, Kristina
Authors
Simone Linz
Megan Owen
Katherine St. John
Charles Semple
Kristina Wicke
Abstract
We give a counterexample to the conjecture of Martin and Thatte that two balanced rooted binary leaf-labelled trees on n leaves have a maximum agreement subtree (MAST) of size at least n 1 2 . In particular, we show that for any c > 0, there exist two balanced rooted binary leaf-labelled trees on n leaves such that any MAST for these two trees has size less than cn 1 2 . We also improve the lower bound of the size of such a MAST to n 1 6 .
Citation
Bordewich, M., Linz, S., Owen, M., St. John, K., Semple, C., & Wicke, K. (2022). On the Maximum Agreement Subtree Conjecture for Balanced Trees. SIAM Journal on Discrete Mathematics, 36(1), 336-354. https://doi.org/10.1137/20m1379678
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 15, 2021 |
Online Publication Date | Jan 31, 2022 |
Publication Date | 2022 |
Deposit Date | Oct 27, 2021 |
Publicly Available Date | Oct 27, 2021 |
Journal | SIAM Journal on Discrete Mathematics |
Print ISSN | 0895-4801 |
Electronic ISSN | 1095-7146 |
Publisher | Society for Industrial and Applied Mathematics |
Peer Reviewed | Peer Reviewed |
Volume | 36 |
Issue | 1 |
Pages | 336-354 |
DOI | https://doi.org/10.1137/20m1379678 |
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Copyright Statement
© 2022, Society for Industrial and Applied Mathematics
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