Document Detail


The Complexity of Finding Multiple Solutions to Betweenness and Quartet Compatibility.
MedLine Citation:
PMID:  21788676     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We show that two important problems that have applications in computational biology are ASP-complete, which implies that, given a solution to a problem, it is NP-complete to decide if another solution exists. We show first that a variation of Betweenness, which is the underlying problem of questions related to radiation hybrid mapping, is ASP-complete. Subsequently, we use that result to show that Quartet Compatibility, a fundamental problem in phylogenetics that asks whether a set of quartets can be represented by a parent tree, is also ASP-complete. The latter result shows that Steel's Quartet Challenge, which asks whether a solution to Quartet Compatibility is unique, is coNP-complete.
Authors:
Maria Luisa Bonet; Simone Linz; Katherine St John
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-20
Journal Detail:
Title:  IEEE/ACM transactions on computational biology and bioinformatics / IEEE, ACM     Volume:  -     ISSN:  1557-9964     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101196755     Medline TA:  IEEE/ACM Trans Comput Biol Bioinform     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Universitat Politecnica de Catalunya (UPC), Barcelona.
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