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UID:7545@i2m.univ-amu.fr
DTSTART;TZID=Europe/Paris:20170522T140000
DTEND;TZID=Europe/Paris:20170522T150000
DTSTAMP:20241120T204403Z
URL:https://www.i2m.univ-amu.fr/evenements/flexibility-of-projective-repre
 sentations/
SUMMARY:Sang-Hyun Kim (Yonsei University\, South Korea): Flexibility of pro
 jective representations
DESCRIPTION:Sang-Hyun Kim: For which countable group G\, does the moduli sp
 ace X(G) = Out(G) \\ Hom(G\,PSL(2\,R)) / Inn(PSL(2\,R)) contain (uncountab
 ly many distinct equivalence classes of) indiscrete faithful representatio
 ns? Groups with such properties are called flexible. We prove combination 
 theorems for flexible groups\, and show that most Fuchsian groups and all 
 limit groups (possibly with torsion) are flexible. The abundance of "minim
 al'' quasi-morphisms on those groups will follow. Joint with Thomas Koberd
 a and Mahan Mj.\n\nhttp://cayley.kr/wiki/Sang-hyun_Kim
ATTACH;FMTTYPE=image/jpeg:https://www.i2m.univ-amu.fr/wp-content/uploads/2
 020/01/Sang-hyun_Kim.jpg
CATEGORIES:Séminaire,Dynamique et Topologie
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DTSTART:20170326T030000
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