A new approximate evaluation method for two-echelon inventory systems with emergency shipments. - Erhun Özkan; Geert-Jan van Houtum; Yasemin Serin (Ann. Oper. Res., 2015)

Incompleteness of results for the slow-server problem with an unreliable fast server. - Erhun Özkan; Jeffrey P. Kharoufeh (Ann. Oper. Res., 2015)

On the Control of Fork-Join Networks. - Erhun Özkan; Amy R. Ward (Math. Oper. Res., 2019)

Joint pricing and matching in ride-sharing systems. - Erhun Özkan (Eur. J. Oper. Res., 2020)

Control of Fork-Join Processing Networks with Multiple Job Types and Parallel Shared Resources. - Erhun Özkan (Math. Oper. Res., 2022)

On the asymptotic optimality of the cμ-rule in queueing networks. - Erhun Özkan (Oper. Res. Lett., 2022)

Joint Inventory and Scheduling Control in a Repair Facility. - Erhun Özkan; Geert-Jan van Houtum (Oper. Res., 2023)

Asymptotically optimal energy consumption and inventory control in a make-to-stock manufacturing system. - Erhun Özkan; Baris Tan (Eur. J. Oper. Res., 2025)