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홈 > 학술정보 >학술행사 > 세미나
2017 서울대학교 수리과학부 세미나

Title
Square-roots of Thompson’s group
Speaker
Thomas Koberda   (University of Virginia )
Date
2017-07-14 16:00:00
Host
SNU
Place
129-301
Abstract
I will discuss square roots of Thompson’s group F, which are certain two-generator subgroups of the homeomorphism group of the interval, the squares of which generate a copy of Thompson’s group F. We prove that these groups may contain nonabelian free groups, they can fail to be smoothable, and can fail to be finitely presented. This represents joint work with Y. Lodha.
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