An O(nlog n)-time algorithm for the maximum constrained agreement subtree problem for binary trees

Authors:
Zeshan Peng;Hingfung Ting
Affiliations:
Department of Computer Science, The University of Hong Kong, Hong Kong;Department of Computer Science, The University of Hong Kong, Hong Kong
Venue:
ISAAC'04 Proceedings of the 15th international conference on Algorithms and Computation
Year:
2004

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Abstract

This paper introduces the maximum constrained agreement subtree problem, which is a generalization of the classical maximum agreement subtree problem This new problem is motivated by the understood constraint when we compare the evolutionary trees We give an O(n log n)-time algorithm for solving the problem when the input trees are binary The time complexity of our algorithm matches the fastest known algorithm for the maximum agreement subtree problem for binary trees.