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校園演講

100學年度統計學系學術演講(20110815二場)

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活動日期: 2011-08-15 - 2011-08-31

資料來源: 商學院\統計學系 (2011-08-10)


演講者:殷允強
任職單位:中國東華理工大學數信學院
第一場
時間:100年08月15日 星期一 14:00-15:00
地點:商1011室(商學大樓十樓)
講題:具有學習效應的調度問題介紹
摘要:經典調度中,工件的加工時間常常是已知且固定不變的。但在一些實際問題中,當雇主(firms)和員工(emplyees)重複地從事某工作時就會產生學習效果,學習到如何使其工作更加有效率,亦即使得工作的時間縮短或成本降低,此種現象稱之為``學習效果”(learning effect),本報告著重介紹近十幾年具有學習效應的調度問題的進展

第二場
時間:100年08月15日 星期一 15:00-16:30
地點:商1011室(商學大樓十樓)
講題:A novel two-agent model for single-machine scheduling

摘要:We consider a novel approach for modeling two-agent scheduling problems,where agents A and B have to share a single machine while processing their jobs. The objective is to minimize a certain objective function which depends on the completion time of all the jobs, while keeping the objective of agent B (with regard to its jobs only) below or at a fixed level Q. Specifically, we focus on minimizing certain objective functions of all the jobs such as maximum earliness cost, total weighted earliness cost and total weighted earliness and tardiness cost, subject to an upper bound on a certain objective function of agent B. We introduce polynomial time solution for the maximum earliness cost problem, and prove NP-hardness for the total weighted earliness cost and total weighted earliness and tardiness cost cases. We also discuss some polynomially solvable cases for the total weighted earliness cost problem.