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Academic Degrees
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Ph.D., 1984, Stanford University
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M.S, 1981, Stanford University
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B.S., 1979 Middle East Technical University
Research Interests
Sample Publications
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Tan, T., Gullu, R.
and Erkip, N., “Modelling Imperfect Advance Demand Information and
Analysis of Optimal inventory”,
EJOR, Volume: 177, pp. 897-923, 2007.
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Bayindir P., Erkip, N. and Gullu, R., “Assessing
the benefits of remanufacturing option under one-way substitution
and capacity
constraint”,
Computers & Operations Research, Volume 34, Issue 2, Pages
487-514, 2007.
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Gullu, R., Houtum, G.J.J.A.N. van, Alisan, Z. and
Erkip, N., “Analysis of a decentralized supply chain under partial
cooperation”, Manufacturing and Service Operations Management,
Vol. 7, No: 3, pp. 229-247, 2005.
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Bayindir P., Erkip, N. and Gullu, R., “Assessing
the benefits of remanufacturing option under one-way substitution”,
Journal of Operational Research Society,
Vol. 56, No. 3, pp.
286-296, 2005.
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Alp O., Erkip, N. and Gullu, R., “Optimal Lot
Sizing/Vehicle Dispatching Policies under Stochastic Lead Times and
Stepwise Fixed Costs”, Operations Research,
Volume: 51, No: 1, pp. 160-166, 2003.
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Alp O., Erkip, N. and Gullu, R., “Outsourcing
Logistics: Designing Transportation Contracts Between a Manufacturer and
a Transporter”, Transportation Science,
Volume: 37, No: 1, pp. 23-39, 2003.
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Bayindir P., Erkip, N. and Gullu, R., “A Model to
Evaluate Inventory Costs in a Remanufacturing Environment”,
International Journal of Production Economies,
Volume: 81-82, pp. 597-607, 2003.
Click
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for up-to-date information
Courses Taught
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IE 325 Stochastic Models
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IE 375 Production Planning and Control
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IE 461 Supply Chain Management
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IE 571 Analytical Models for Supply Chain
Management
Theses Supervised
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