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CATEGORIES:Isaac Newton Institute Seminar Series
SUMMARY:H^3 and twisted K-theory for compact Lie groups -
Jonathan Rosenberg (University of Maryland\, Colle
ge Park)
DTSTART;TZID=Europe/London:20170525T140000
DTEND;TZID=Europe/London:20170525T150000
UID:TALK72695AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/72695
DESCRIPTION:The WZW model in physics naturally leads to a stud
y of twisted K-theory for compact Lie groups\, whi
ch has been studied by Moore-Maldacena-Seiberg\, H
opkins\, Braun\, and Douglas. \; We re-examine
a few aspects of this subject. \; For example
\, what is the map on H^3 induced by a covering of
compact simple Lie groups? \; The result is c
omplicated and quite surprising. \; Also\, wha
t can we learn about twisted K-theory from the con
nection between Langlands duality and T-duality\,
studied by Daenzer-Van Erp and Bunke-Nikolaus?&nbs
p\; Again\, the result is rather surprising. \
; This is joint work with Mathai Varghese.
LOCATION:Seminar Room 2\, Newton Institute
CONTACT:INI IT
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