This workshop is a satellite event of the semester on Inverse Problems at the Isaac Newton Institute.It is planned that one hour keynote talks will be given by:J Behrndt (Technische Universitat Graz)F Gesztesy (Missouri)P Kurasov (Stockholm)M Malamud (Donetsk) S Naboko (St Petersburg) B Rundell (Texas A&M University)G Teschi (Vienna) R Weikard (Birmingham, Alabama) There will be the opportunity fo