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dc.contributor.authorChang, FHen_US
dc.contributor.authorHwang, FKen_US
dc.date.accessioned2014-12-08T15:18:11Z-
dc.date.available2014-12-08T15:18:11Z-
dc.date.issued2005-11-01en_US
dc.identifier.issn0925-5001en_US
dc.identifier.urihttp://dx.doi.org/10.1007/s10898-004-7391-zen_US
dc.identifier.urihttp://hdl.handle.net/11536/13142-
dc.description.abstractSupermodularity of the lambda function which defines a permutation polytope has proved to be crucial for the polytope to have some nice fundamental properties. Supermodularity has been established for the lambda function for the sum-partition problem under various models. On the other hand, supermodularity has not been established for the mean-partition problem even for the most basic labeled single-shape model. In this paper, we fill this gap and also settle for all other models except one. We further extend our results to other types of supermodularity.en_US
dc.language.isoen_USen_US
dc.subjectmean-partitionen_US
dc.subjectsupermodularen_US
dc.titleSupermodularity in mean-partition problemsen_US
dc.typeArticleen_US
dc.identifier.doi10.1007/s10898-004-7391-zen_US
dc.identifier.journalJOURNAL OF GLOBAL OPTIMIZATIONen_US
dc.citation.volume33en_US
dc.citation.issue3en_US
dc.citation.spage337en_US
dc.citation.epage347en_US
dc.contributor.department應用數學系zh_TW
dc.contributor.departmentDepartment of Applied Mathematicsen_US
dc.identifier.wosnumberWOS:000233324900002-
dc.citation.woscount1-
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