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SUMMARY:Florian Loebbert (Humboldt U)
DTSTART:20201008T141500Z
DTEND:20201008T160000Z
DTSTAMP:20260423T041156Z
UID:LIJC/15
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LIJC/15/">In
 tegrability for Feynman Integrals</a>\nby Florian Loebbert (Humboldt U) as
  part of London Integrability Journal Club\n\n\nAbstract\nIn this talk I g
 ive an overview of the Yangian symmetry of Feynman integrals. After review
 ing the connection between AdS/CFT integrability and the Yangian symmetry 
 of massless Feynman graphs\, I discuss the idea to bootstrap Feynman integ
 rals based on the Yangian constraints. Then I show that also in the massiv
 e case large classes of Feynman integrals are constrained by a Yangian ext
 ension of dual conformal symmetry. When translated to momentum space\, thi
 s leads to a novel massive generalization of ordinary conformal symmetry. 
 Finally\, I argue that these features of massive Feynman integrals can be 
 understood as the integrability of planar scattering amplitudes in a massi
 ve version of the so-called fishnet theory\, which is obtained as a double
 -scaling limit of N=4 super Yang-Mills theory on the Coulomb branch.\n
LOCATION:https://researchseminars.org/talk/LIJC/15/
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