Last and Final Extension of Registration Deadline: May 14, 2007 The main program will take place at the venue in Mariehamn, Åland, July 16-18, 2007. Except for invited speakers, there is a participation charge of 100 Euro. There will be an opening session and dinner on a ferry from Stockholm to Mariehamn leaving in the afternoon of July 15. Ferry ticket and dinner is included in the participation fee. Other social events may be added later to the program. The participation fee is to be payed in cash to Prof Alava on location. We are sorry we cannot accept checks, credit cards or any currency but Euro.