简介:UpgradingFamilyPlanningServices¥XieZhenmingInearly1995aprojectentitled"APilotProgrammeforUpgradingFamilyPlanningServices"wasl...
简介:
简介:Forapairofnodess,tinanundirectedgraphG=(V,A)andagivenlevelUofallowabledelay,wewouldliketomodifythenetworkbynode-basedoredge-basedupgradingstrategiestomakethedelaybetweensandtnotgreaterthanU.Inthispaper,wepresentsomeNP-hardresultsforthedelayimprovementproblems.
Upgrading Family Planning Services
Upgrading castable performance through matrix optimixation(14—18)
Complexity of Reducing the Delay between Two Nodes by Node-based and Edge-based Upgrading Strategies