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» Advances on sorting by reversals
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DAM
2007
120views more  DAM 2007»
13 years 4 months ago
Advances on sorting by reversals
Theproblemofsortingsignedpermutationsbyreversalsisinspiredbygenomerearrangementproblemsincomputationalmolecular biology. Given two genomes represented as signed permutations of th...
Eric Tannier, Anne Bergeron, Marie-France Sagot
AB
2007
Springer
13 years 8 months ago
Prefix Reversals on Binary and Ternary Strings
Given a permutation , the application of prefix reversal f(i) to reverses the order of the first i elements of . The problem of Sorting By Prefix Reversals (also known as pancake ...
Cor A. J. Hurkens, Leo van Iersel, Judith Keijsper...
JCB
2007
78views more  JCB 2007»
13 years 4 months ago
Sorting by Reciprocal Translocations via Reversals Theory
The understanding of genome rearrangements is an important endeavor in comparative genomics. A major computational problem in this field is finding a shortest sequence of genome...
Michal Ozery-Flato, Ron Shamir
STOC
1995
ACM
194views Algorithms» more  STOC 1995»
13 years 8 months ago
Transforming cabbage into turnip: polynomial algorithm for sorting signed permutations by reversals
Genomes frequently evolve by reversals ␳(i, j) that transform a gene order ␲1 . . . ␲i␲iϩ1 . . . ␲jϪ1␲j . . . ␲n into ␲1 . . . ␲i␲jϪ1 . . . ␲iϩ1␲j . . ....
Sridhar Hannenhalli, Pavel A. Pevzner
CORR
2004
Springer
168views Education» more  CORR 2004»
13 years 4 months ago
Estimating Genome Reversal Distance by Genetic Algorithm
Sorting by reversals is an important problem in inferring the evolutionary relationship between two genomes. The problem of sorting unsigned permutation has been proven to be NP-ha...
Andy Auyeung, Ajith Abraham