John F. Gibson, travel for spring 2010 visiting University of Michigan, Dept of Math wed 10 feb nwa 7215 boston 18:30 -> detroit 21:01 fri 12 feb nwa 2290 detroit 21:45 -> boston 23:39 American Physical Society March Meeting mar 15-19, portland oregon American Mathematical Society Eastern Regional Meeting may 22-23, new jersey inst tech, newark Trips to Atlanta to be determined by end of January.