Two types of talks can be scheduled starting when HOPE Number Nine begins on Friday Juy 13. Lightning talks are 4-5 minute presentations, following keynotes on Friday and Saturday.
The "unscheduled" Fourth Track, in the Felsenstein Room, will accommodate 55-minute talks throughout the conference. Sign-ups are at the Info Desk. For more information about how to submit a lightning talk or Fourth Track talk, visit the wiki.