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(1+eps)-approximation of sorting by reversals and transpositions
Dept. of Mathematics, Royal Institute of Technology, Stockholm.ORCID iD: 0000-0002-6444-7878
2002 (English)In: Theoretical Computer Science, ISSN 0304-3975, Vol. 289, no 1, 517-529 p.Article in journal (Refereed) Published
Abstract [en]

Gu et al. gave a 2-approximation for computing the minimal number of inversions and transpositions needed to sort a permutation. There is evidence that, from the point of view of computational molecular biology, a more adequate objective function is obtained, if transpositions are given double weight. We present a (1+eps)-approximation for this problem, based on the exact algorithm of Hannenhalli and Pevzner, for sorting by reversals only.

Place, publisher, year, edition, pages
Amsterdams, Netherlands: Elsevier, 2002. Vol. 289, no 1, 517-529 p.
Keyword [en]
Permutations, Sorting, Genome rearrangements, Reversals, Transpositions, Approximation algorithm
National Category
Mathematics
Identifiers
URN: urn:nbn:se:oru:diva-41762DOI: 10.1016/S0304-3975(01)00338-3ISI: 000178999300023Scopus ID: 2-s2.0-0037163953OAI: oai:DiVA.org:oru-41762DiVA: diva2:781049
Available from: 2015-01-15 Created: 2015-01-15 Last updated: 2015-09-25Bibliographically approved

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Eriksen, Niklas
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf