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SUMMARY:On Fusion categories\, gradings\, and representations of Hopf alge
 bras - Ehud Meir
DTSTART:20110301T141500Z
DTEND:20110301T151500Z
UID:TALK30090@talks.cam.ac.uk
CONTACT:Nathan Bowler
DESCRIPTION:Fusion categories arise in several areas of mathematics\, for 
 example in the representation theory of finite dimension Hopf algebras and
  in topological quantum field theories. My goal in this talk will be to gi
 ve an exposition to the theory of fusion categories\, and to explain why t
 he categorical point of view is very fruitful in the study of finite dimen
 sional semisimple Hopf algebras. I will explain some basic notions in the 
 field\, such as module categories\, dual categories\, categorical centers 
 and gradings. I will also explain what examples we have for fusion categor
 ies\, and their connection to finite groups and their cohomology.\n\nThis 
 is joint work with Evgeny Musicantov.\n 
LOCATION:MR3\, Centre for Mathematical Sciences
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