Set Theory:
- Oberwolfach,
December 1999
- Berkeley,
May 2001
- Oberwolfach,
January 2002
- Zapletal, Mathias and Larson in the
Pyrenees, 2003
- Larson, Cummings, Zoble, Moore,
Steel and Mitchell in Phoenix, 2004
- Schimmerling, Velickovic and Schindler
in Cassis, 2004
- Kastermans, Clemens, Larson, Zoble, Ketchersid, Yorioka and Hudson
in Oxford (Ohio), 2007
Others:
