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UID:706@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20160226T130000
DTEND;TZID=Europe/Berlin:20160226T140000
DTSTAMP:20160224T014139Z
URL:https://qft.physik.hu-berlin.de/next-seminars/stefan-fredenhagenhu-ber
 lin/
SUMMARY:Stefan Fredenhagen(HU Berlin) - Fusion of interfaces in Landau-Ginz
 burg models: a functorial approach
DESCRIPTION:\nN=2 supersymmetric Landau-Ginzburg models with a non-trivial 
 IR fixed point provide an interesting laboratory to study superconformal f
 ield theories in two dimensions. Many interesting quantities can be determ
 ined algebraically\, and we will look in particular at B-type interfaces w
 hich are described by matrix factorisations.\n\nTheir fusion is given by t
 he tensor product of such factorisations which in general is difficult to 
 compute. I present an idea how to describe the fusion of a certain class o
 f interfaces in an efficient way. For this purpose we will study 'fusion f
 unctors' on the category of modules over the algebra of polynomials in the
  chiral superfields.
CATEGORIES:Research Seminars
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DTSTART:20151025T020000
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