LAUSR

This special issue contains selected papers presented at IXBalkanConference onOperational Research, which took place in Belgrade and on Zlatibor, a beautiful mountain in western Serbia, from September 7–11, 2013. BALCOR is an international conference which traditionally gathers operational researchers with the objective to present the results of theoretical and applied work. One of the benefits is a successful exchange of ideas and information of interest to operational research and the promotion of international co-operation, particularly among the Balkan countries. The conference program contained 144 contributions by 309 authors from 25 counties. Invited speakers at BALCOR 2013 and at its joint conference SYM-OPIS 2013 were the following well-known scientists: Sally Brailsford, University of Southampton, UK; Emilio Carrizosa, Universidad de Sevilla, Spain; Zohar Laslo, SCE—Shamoon College of Engineering, Israel; İlhan Or, Bogaziçi University, Turkey; Veljko Milutinović, University of Belgrade, Serbia; Jose Moreno Perez, University of La Laguna, Spain; Abraham Duarte, Universidad Rey Juan Carlos, Spain; Bertrand Mareschal, Université Libre de Bruxelles, Belgium; Athanasios Migdalas, Aristotle University of Thessaloniki, Greece; Moshe Sniedovich, The University of Melbourne, Australia. More details regarding conference may be found at http://www.balcor2013.fon.bg.ac.rs/. Conference proceedings that contains 815 pages may be found at http://www.balcor2013.fon.bg.ac.rs/wp-content/uploads/