Editorial board

Editor-in-Chief:
Prof Dr Christiane Tammer - Martin-Luther-Universität Halle-Wittenberg, Germany

Managing Editors
Dr Elisabeth Köbis - Norwegian University of Science and Technology, Norway
Dr Markus Köbis - Norwegian University of Science and Technology, Norway

Editorial Board
Prof. Dr Samir Adly - Université de Limoges, France
Prof. Dr Didier Aussel - Universitie de Perpignan, France
Prof. Dr Adil M. Bagirov - Federation University, Australia
Dr Christian Bargetz - Universität Innsbruck, Austria
Dr Matus Benko - Johannes Kepler Universität Linz, Austria
Prof. Dr Eduardo Casas - Universidad de Cantabria, Spain
Prof. Dr Katarína Cechlàrovà - P. J. Safarik University, Slovakia
Prof. Dr Stephan Dempe - TU Bergakademie Freiberg, Germany
Prof. Dr Marius Durea - Alexandru Ioan. Cuza University of Iasi, Romania
Prof. Dr Gabriele Eichfelder - Technische Universität Ilmenau, Germany
Dr sc Rosalind Elster - Halle (Saale), Germany
Prof. Dr Shu-Cherng Fang - North Carolina State University, USA
Prof. Dr Andreas Fischer - Technische Universität Dresden, Germany
Prof. Dr Fabián Flores-Bazán - Universidad de Concepcion, Chile
Prof. Dr Matthias Gerdts - Universitaet der Bundeswehr Muenchen
Prof. Dr Franco Giannessi - Università di Pisa, Italy
Prof. Dr Sorin-Mihai Grad - ENSTA Paris, France
Prof. Dr Wilfried Grecksch - Martin-Luther Universität Halle-Wittenberg, Germany
Prof. Dr César Gutiérrez Vaquero - Universidad de Valladolid, Spain
Prof. Dr Nicolas Hadjisavvas - University of the Aegean, Greece
Prof. Dr René Henrion - Weierstrass Institute for Applied Analysis and Stochastics Berlin, Germany
Prof. Elvira Hernandez - Universidad Nacional de Educación a Distancia, Spain
Prof. Dr Refail Kasimbeyli - Eskisehir Technical University, Turkey
Prof. Dr Akhtar A. Khan - Rochester Institute of Technology, USA
Prof. Pham Duy Khanh - University of Education, Ho Chi Minh City, Vietnam
Prof. Dr Phan Quoc Khanh - International University, VNU-HCM, Vietnam
Prof. Dr Alexander Kruger - Federation University Ballarat, Australia
Prof. Dr. Hannelore Lisei - Babeş-Bolyai University, Cluj-Napoca, Romania
Prof. Dr Andreas Löhne - Friedrich-Schiller Universität Jena, Germany
Prof. Juan Enrique Martinez-Legaz - Universitat Autònoma de Barcelona, Spain
Prof. Dr Boris Mordukhovich - Wayne State University, USA
Prof. Eladio Ocaña - IMCA & FC, Universidad Nacional de Ingeniería, Peru
Prof. Dr Hoang Xuan Phu - Institute of Mathematics, Vietnam
Prof. Cornel Pintea - Babeş-Bolyai University, Cluj-Napoca, Romania
Prof. Dr Fabio Raciti - University of Catania, Italy
Prof. Dr Simeon Reich - Technion - Israel Institute of Technology, Israel
Prof. Dr Jan-Joachim Rückmann - University of Bergen, Norway
Prof. Dr Stefan Ruzika - TechnischeUniversität Kaiserslautern, Germany
Miguel Sama - National Distance Education University, Madrid (UNED)
Prof. Dr Vladimir Shikhman - Technische Universität Chemnitz, Germany
Prof. Dr. Radu Strugariu - Technical University of Iaşi, Romania
Prof. Dr Wim van Ackooij - Électricité de France (EDF), France
Prof. Dr Xiaolong Qin - Hangzhou Normal University, China
Prof. Dr Gerhard Wilhelm Weber - Poznan University of Technology, Poland
Prof. Dr Hong-Kun Xu - Hangzhou Dianzi University, Hangzhou, China
Prof. Dr. Alexander Zaslavski - Israel Institute of Technology, Israel

Editors-in-Chief
Karl-Heinz Elster (1977-1996)
Diethard Pallaschke (1996-2005)
Juan Enrique Martínez-Legaz (2006-2012)