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On fundamental groups of tensor product II_1 factors

Presented by: 
Yusuke Isono Kyoto University
Monday 23rd January 2017 - 16:00 to 17:00
INI Seminar Room 1
We study a stronger notion of primeness for II_1 factors, which was introduced in my previous work. Using this, we prove that if G and H are groups which are realized as fundamental groups of II_1 factors, then so are groups GH and G \cap H.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons