•  Bar-Ilan University, Ramat Gan, Israel
     Ben-Gurion University, Beer Sheva, Israel
     Holon Academic Institute of Technology, Holon, Israel
     Tel-Aviv University, Tel-Aviv, Israel
     The Hebrew University of Jerusalem, Jerusalem, Israel
     The Technion – Israel Institute of Technology, Haifa, Israel
     University of Haifa, Israel
     The Weizmann Institute of Science, Rehovot, Israel
  •  University of Nicosia, Cyprus
  •  Max-Planck- Institut fur Gravitationsphysik, Germany
     Universität Bielefeld, Germany
     Universität Düsseldorf, Germany
     Institut fur Mathematik Clausthal University of Technology, Germany
     Universität Potsdam, Potsdam, Germany
     Technische Universität Bergakademie Freiberg, Germany
     Fraunhofer Institute for Industrial Mathematics, Germany
  •  Thessaloniki University, Greece
  •  Università di Firenze, Italy
     Università di Roma “Tor Vergata”, Rome, Italy
  •  Instituto Politécnico Nacional, Mexico City, Mexico
     Universidad Nacional Autonoma de Mexico City, Mexico
  •  Universitetet i Bergen, Norway
  •  Uniwersytet Marii Curie- Skłodowskiej w Lublinie, Poland
     Institute of Mathematics, Polish Academy of Science, Warsaw, Poland

     Stefan Banach International Mathematical Center, Warsaw, Poland

     Technical University of Łodz, Poland

     Uniwersytet Rzeszówski, Poland

     Państwowa Wyższa Szkoła Zawodowa w Chełmie, Poland