Presentations and Lectures

University of Essen ( Essen, Germany), University of Tubingen ( Tubingen,

Germany), Waseda University (Tokyo, Japan), University of Los-Angeles (UCLA,

USA), Institute of Mathematics, Taiwan Academy of Science (Taipei, Taiwan), University of South Florida (Tampa, USA), Bilkent University (Ankara, Turkey), Stockholm University ( Stockholm, Sweden), Brunel University (London, UK), Ohio

University (Athens, USA), Saitama University (Tokyo, Japan), Charles University of Prague ( Prague, Czech), Institute of Analysis ( Dresden, Germany), Technical University of Delft (Holland), Center for Mathematics and Computer Science (Amsterdam, Holland), University of Antwerpen (Belgium), University of Valladolid ( Valladolid, Spain), University of Poitiers ( Poitiers, France), University of Valencia ( Valencia, Spain), University de Franche-Comte (Besancon, France), University Claude Bernard Lyon 1 (France), Ochanomizu University (Tokyo, Japan), Osaka University (Osaka, Japan), University of

Ellectro-Communications (Tokyo, Japan), Chubu University (Kasugai, Japan),

Stefan Banach International Mathematical Center (Warsaw, Poland), Jean Monnet University ( St-Etienne, France), Universite' des Sciences et Technologies de Lille ( Lille, France), Universitat Innsbruck ( Innsbruck, Austria), Universitat Augsburg ( Augsburg, Germany), University of Valenciennes ( Valenciennes, France), University of Tokyo (Tokyo, Japan), Normal University of Taipei (Taipei, Taiwan), National Changhua University of Education ( Changhua Sity, Taiwan), Chung Yuan University ( Chung-Li, Taiwan), Research Center of Applied Mathematics, Selcuk University (Konya, Turkey), School of Mathematics, University of New South Wales ( Sydney, Australia ), School of Mathematics and Statistics, The University of Sydney ( Sydney, Austarlia ), Department of Mathematics, Bar-Ilan University (Ramat Gan, Israel), Department of mathematics, University of Tel-Aviv (Tel-Aviv, Israel), Department of Mathematics, University of Adelaide (Adelaide, South Australia), School of Mathematical Sciences, Australian National University (Canberra, Australia), Department of Mathematics, University of Science and Technology of China ( Hefei, Anhui, P. R. China), University of Twente (Hengelo, Holland), University of Antwerpen (Antwerp, Belgium), University of Karlsruhe (Karlsruhe, Germany), University of Augsburg (Augsburg, Germany), Johann Wolfgang Goethe University (Frankfurt, Germany), University of Hannover (Hannover, Germany),

National Central University ( Chung-Li City, Taiwan), National Chung-Hsing University (Taichung City, Taiwan), University of Sao Paulo (Sao Paulo, Brazil), Federal University of Rio Grande do Sul (Porto Alegre, Brazil), Federal University of Sao Carlos (Sao Carlos, Brazil), Institute of Numerical Analysis (Moscow, Russia), Department of Applied Mathematics, University of Valladolid (Valladolid, Spain), Department of Applied Mathematics, University

of Valencia ( Valencia, Spain), University of Antwerpen (Antwerp, Belgium), Institute of Mathematics, University of Leiden, (Leiden, Holland); Department of Mathematics, University of Bielefeld (Bielefeld, Germany);