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Invited Speakers

Els Feijs, Freudenthal Institute, Utrecht Universiteit, The Netherlands

Andrew Gleason, Dept. of Math, Harvard University, USA

Collette Laborde, Laboratoire IMAG-Leibniz, Universite Joseph Fourier FRANCE

Jan de Lange, Freudenthal Institute , Utrecht Universiteit, The Netherlands

Maria Demertzis, Department of Economics, University of Strathclyde, United Kingdom

Stelios Negrepontis, Department of Mathematics, University of Athens

Jan Persens, Dept of Math, Univ of Western Cape, South Africa

David Tall, Math Education Research Center Warwick University, United Kingdom

Jerry Uhl, Dept of Math, University of Illinois, USA

Bert Waites, Frank Demana, Dept of Math, Ohio State University, USA

Erich Ch. Wittmann, Fachbereich Math. Dortmund, Universitaet Dortmund, Germany