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Title:
The deep-fall property, submultiplicativity, and the Atiyah problem

Speaker:
Igor Mineyev

Link:
http://www.birs.ca/events/2012/5-day-workshops/12w5080/videos/watch/201211291409-Mineyev.html

Workshop:
Birs- 12w5080: Cohomological methods in geometric group theory