The following speakers accepted our invitation to give 25 minute talks thus far:

• Tuncay Aktosun (Mississippi State University)
• Boris Belinsky (UTC)
• Pavel Exner (Nuclear Physics Inst., Prague, Czech Republic)
• Leonid Friedlander (University of Arizona, Tucson, USA)
• Michael J. Gruber (University of Arizona, Tucson, USA)
• Peter Kuchment (Texas A&M University, College Station, USA)
• Vassilis Papanicolaou (National Technical Univ, Athens, Greece)
• Michael Solomyak (Weizmann Institute, Israel)