A branch and price algorithm for the pharmacy duty scheduling problem. - Gökhan Ceyhan; Özgür Özpeynirci (Comput. Oper. Res., 2016)

Finding a representative nondominated set for multi-objective mixed integer programs. - Gökhan Ceyhan; Murat Köksalan; Banu Lokman (Eur. J. Oper. Res., 2019)

Optimizing Day-Ahead Electricity Market Prices: Increasing the Total Surplus for Energy Exchange Istanbul. - Kürsad Derinkuyu; Fehmi Tanrisever; Nermin Kurt; Gökhan Ceyhan (Manuf. Serv. Oper. Manag., 2020)

Extensions for Benders cuts and new valid inequalities for solving the European day-ahead electricity market clearing problem efficiently. - Gökhan Ceyhan; Murat Köksalan; Banu Lokman (Eur. J. Oper. Res., 2022)

Finding the Nondominated Set and Efficient Integer Vectors for a Class of Three-Objective Mixed-Integer Linear Programs. - Gökhan Ceyhan; Murat Köksalan; Banu Lokman (Manag. Sci., 2023)