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Operadic complexities: graph insertions and the analytic structure of Feynman amplitudes

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Speaker: 
Dirk Kreimer
Zugehörigkeit: 
HU Berlin
Datum: 
Son, 2016-03-20 15:00 - 16:00
Location: 
MPIM Lecture Hall

The understanding of  Cutkosky rules as analytic properties of Feynman amplitudes
involves graph insertions in many incarnations. We emphasize connections to structures
apparent in Outer Space as studied by Karen Vogtmann and collaborators.

 

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