Claude Brezinski - University of Lille, France

Philippe G. Ciarlet - City University of Hong Kong, China

Oleg Davydov - University of Giessen, Germany

Kai Hormann - Università della Svizzera Italiana, Switzerland

Christian Lubich - University of Tübingen, Germany

Gradimir V. Milovanovic - Mathematical Institute of SASA, Serbia

Gerhard Wanner - University of Genève, Switzerland