(held March 19-22nd, 1986 in Monterey, California)
(held March 7-9th, 1988 in Monterey, California)
(held March 4-7th, 1990 in Pacific Grove, California)
(held March 22-25th, 1992 in Pacific Grove, California)
(held March 13-16th, 1994 in Pacific Grove, California)
(held March 17-20th, 1996 in De Zeeuwse Stromen, The Netherlands)
(held July 22-24th, 1998 in Evanston, Illinois)
(held July 8-10th, 2001 at the University of Siena, Italy)
(held June 20-22nd, 2003 at Indiana University, Indiana)
(held July 10-12th, 2005 at the National University of Singapore, Singapore)
(held June 25-27th, 2007 at Facultes Universitaires Saint-Louis, Belgium)
(held July 6-8th, 2009 at Stanford University, California)
(held July 11-15th, 2011 at the University of Groningen, The Netherlands)
(held January 7-9th, 2013 at The Institute of Mathematical Sciences, Chennai, India)
(held June 4-6th, 2015 at Carnegie Mellon University, Pittsburgh, United States)
(held July 24-26, 2017 at the University of Liverpool, United Kingdom)
(held July 17-19, 2019 at the Toulouse University, Toulouse, France)
(held June 25-27, 2019 at the Tsinghua University, Beijing, China (online))
(held July 14-16, 2025 in Dusseldorf, Germany)