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Title:
Points on a Circle: from Pappus to Thurston

Speaker:
John Milnor

Abstract:
A soft introduction to the easiest examples of Deligne-Mumford compactifications.

Link:
http://scgp.stonybrook.edu/video_portal/video.php?id=3625

Workshop:
Simons- Program: Poisson geometry of moduli spaces, associators and quantum field theory