The Combinatorics Study Group seminar is held from 4pm-5pm (unless otherwise stated) on Fridays, in room M103 of the Mathematical Sciences building at Queen Mary, University of London. We meet for tea before the seminar at 3.45pm in the Mathematical Sciences Common Room. (Directions to the Mathematical Sciences building: turn left on leaving Stepney Green Underground Station and proceed 400 metres eastwards down Mile End Road; the Mathematical Sciences building is the tall building on the left of Mile End Road.) For more information, see the directions here. All the seminar attendees are cordially invited to join the speaker for drinks after the seminar, in the College bar.