Thursday, November 9, 2006 12:00 PM Harvard University Condensed Matter Theory Seminar Lyman 425 "Projective symmetry, quantum order, and quantum phase transitions" Xiao-Gang Wen MIT -- ----------------------- Heidi E. Schafer Harvard University Physics Department 324 Lyman 17 Oxford Street Cambridge, MA 02138 tel: 617-495-8852fax: 617-496-2545