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1、湖南大学硕士学位论文网络最大流及回收中心选址问题研究姓名：郭玉芬申请学位级别：硕士专业：概率论与数理统计导教师：李董辉20080320AbstractThisthesisstudiesthenetworkmaximal-flowproblemandthelocationoftherecyclingcenter.Thenetworkmaximal-flowproblemisnotonlyaclassicalcombinatorialop timizationproblem,butalsoaspeciallinearprogramm
2、ingproblem.Ithasawidevarietyofapplicationsinengineeringfieldssuchascommunication,electricpower,transportation,etc.,andscientificfieldssuchasphysics,chemistry,biology,ap-pli«imathematic,etc..Theproblemhasbeenstudiedformorethanfortyyeara.Manyresearchers,includingTuring
3、PrizewinnersKarpandTaxjan,haveestab lishedintegratetheoriesandexploredmanyalgorithmsfortheproblem.Ontheotherhand,however,thereseardiinthemaximal-flowmodelvariesisrelativelyfewer.Withtherapiddevelopmentofnetworksmaximal-flowbecomesmoreandmoreimportantandli肪attractedmu
4、chpeople'sattention.Onthebaseoftraditionalnetworkmaximumflowmodel,thisthesisstudiesnetworkmaximumflowmodelwithmorethanonesourceandsinkindifferentsub-network.Wealsoproposeadecompositionmethodtosolvethemodel.Acompletesupplydiainsystemincludesnotonlytheforwardlogistics,
5、butalsoreverselogistics.Ithaspastedaverylongtimesincetheenterprisespayattentiontothereturnproductsandoverdoneproducts.Withenvironmentalconsciousness'enhancement,environmentalprotectionlegislation'sreleasingandtheconsiderableeconomicinterest'sappearance,theenterprises
6、starttopayat tentiontothereverselogistics.Reverselogisticshasbecomethewarmtopic.Theresearchinthistopichastakengoodprogress.Astheimportantlinkofrevetselogisticsnetwork,thelocationofrecyclingcenterplaysanimportantroleintheentirelogisticssystem.Inthisthesis,wewillalsost
7、udythelocationofrecyclingcenterandthereturnprice.KeyWords:MaximumFlow;FeasibleFlow;ReverseLogistics;RecyclingCenter;DecreasingRankingSelectionalgorithm湖南大学学位论文原创性声明本人郑重声明：所呈交的论文是本人在导师的指导下独立进行研究所取得的成果。除了文中特别加以标注引用的内容外，本论文不包含任何其他个人或集体已经发表或撰写的成果作品。对本文的研究做出重要贡献的个人和集体，均已在
8、文中以明确方式标明。本人完全意识到本声明的法律后果由本人承担。作者签名：約+窄日期-功年r月ir日学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人
