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Transportation journals transportation research part

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Unformatted text preview: ent Science • EJOR, Computer and Operations Research, Annals of Operations Research, Journal of the Operational Research Society, OR Spectrum etc. – Transportation Journals • Transportation Research part A,B,C,E • Transportation Science • Transportation Research Record (Planning or Network Modeling section) etc. – Logistics Journals Term Project • Schedule – Team organization: This week – Proposal: April 25 – No Midterm Exam – Progress Report and Presentation: May 9 – Final Report and Presentation: May 30 – Final Exam : June 13 TSP and VRP Graphs and Networks • GRAPH – A graph G consists of a set N of nodes (vertices) and a set E of arcs (edges or links). – Nodes represent potential sites and customers. – Arcs represent transportation segments, and they may be directed or undirected. – In our class, we mainly consider undirected graphs. • Example – N={1,2,3,4}, |N|=4 – E={(1,2), (2,3), (3,4), (3,1)} 1 2 3 4 Graphs and Networks • Network – A network is a graph with additional information about arcs – capacity, distance, cost, etc. , • Degree –...
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