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SUMMARY:Hyperbolic Hubbard-Stratonovich transformations - Muller-Hill\, J 
 (Cologne)
DTSTART:20080821T103000Z
DTEND:20080821T113000Z
UID:TALK13163@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:An important application for hyperbolic Hubbard-Stranonovich t
 ransformations is the derivation of hyperbolic sigma models. We will expla
 in the Schaefer-Wegner and Pruisken-Schaefer variants of the transformatio
 n.  Until recently the mathematical status of the latter was unclear. We w
 ill give a proof of the Pruisken-Schaefer variant of the transformation\, 
 and clarify the connection to the Schaefer-Wegner variant\n
LOCATION:Seminar Room 1\, Newton Institute
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