Research Interests

Production planning and control; Capacity management; Semiconductor industry; Remanufacturing industry; Healthcare industry

Production and inventory planning

Production smoothing in just in time manufacturing systems: models and solution approaches (with M. Yavuz) International Journal of Production Research, 2007, v 45(16): 3579-3597.

Optimizing capacity ramp-up decisions in the semiconductor industry (with A. Soylu) IIERC Conference Proceedings, 2006.

Optimizing production smoothing decisions via batch selection for mixed-model just-in-time manufacturing systems with arbitrary setup and processing times (with M. Yavuz and S. Tufekci) International Journal of Production Research, 2006, 44(15): 3061-3082.

A hybrid meta-heuristics for the batching problem in just-in-time flow shops (with M. Yavuz and S. Tufekci) Journal of Mathematical Modeling and Algorithms, 2006, 5(3): 371-393.

Short term capacity allocation problem with tool and setup constraints (with A. Üngör and R. Uzsoy) Naval Research Logistics, 2005, 52(8): 754-765.

An integrated inventory-transportation system for multi-item joint replenishment with limited vehicle capacity (with S. Sindhuchao, H.E. Romeijn, and R. Boondiskulchok), Journal of Global Optimization, 2005, 32(1): 93-118.

Cycle time reduction for photolithography process in semiconductor manufacturing, (with K. Nemoto and R. Uzsoy) IEEE Transactions on Semiconductor Manufacturing, 2001, 14(1): 48-56.

A decision support system for spare parts management in a wafer fabrication facility (with R. Hamlin, T. McCullough, M. Davis, T. Teyner, and R. Uzsoy) IEEE Transactions on Semiconductor Manufacturing, 2001, 14(1): 76-78.

Quantifying the benefits of cycle time reduction in semiconductor wafer fabrication, (with K. Nemoto and R. Uzsoy) IEEE Transactions on Components Packaging Manufacturing, 2000, 23(1): 39-47.

Remanufacturing operations management

Design and operation of closed-loop supply chains: practical aspects and analytical models (with S. Cetinkaya and H. Uster), 2007, submitted for publication.

Network design for reverse and closed-loop supply chains: an annotated bibliography of models and solution approaches (with S. Cetinkaya and H. Uster), 2007, submitted for publication.

Analyzing the effects of inventory cost setting rules in a disassembly and recovery environment (with Z.P. Bayindir), International Journal of Production Research, 2008, 46(1): 267-288.

Benders decomposition with alternative multiple cuts for a multi-product closed-loop supply chain network design model (H. Uster, G. Easwaran, and S. Cetinkaya), Naval Research Logistics, 2007, 54(8): 890-907.

An analysis of decentralized collection and processing operations for end-of-life products (with I. Karakayali and H. Emir) Journal of Operations Management, 2007,25(6):1161-1183.

Effects of random yield in reverse supply chains with price-sensitive supply and demand (with I.S. Bakal) Production & Operations Management, 2006, 15(3): 407-420.

Decentralized collection and recovery operations for durable end-of-life products with multiple remanufacturable parts (with I. Karakayali) IIERC Conference Proceedings, 2006.

Seeding strategies in remanufacturing (with M.A. Morse) IIERC Conference Proceedings, 2003.

Health care operations management

A network flow approach to optimizing hospital bed capacity decisions (with M.J. Cote and C.-I Lin) Health Care Management Science, 2006, 9(3): 391-404.