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Improved approximation of the largest common subtree of two unordered trees of bounded height

✍ Scribed by Tatsuya Akutsu; Daiji Fukagawa; Atsuhiro Takasu


Book ID
108154594
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
291 KB
Volume
109
Category
Article
ISSN
0020-0190

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On the approximation of largest common s
✍ Tatsuya Akutsu; MagnΓΊs M. HalldΓ³rsson πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 136 KB

This paper considers the approximability of the largest common subtree and the largest common point-set problems, which have applications in molecular biology. It is shown that the problems cannot be approximated within a factor of n 1-in polynomial time for any ΒΏ0 unless NP βŠ† ZPP, while a general s