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SUMMARY:Non-invertible symmetries\, anomalies and scattering amplitudes - 
 Lucía Córdova (CERN)
DTSTART:20240229T130000Z
DTEND:20240229T140000Z
UID:TALK211546@talks.cam.ac.uk
CONTACT:Jackson Fliss
DESCRIPTION:We demonstrate that crossing symmetry of S-matrices can be vio
 lated in theories with non-invertible symmetries or anomalies. Focusing on
  integrable flows to gapped phases in two dimensions\, we show that S-matr
 ices derived previously from the bootstrap approach are incompatible with 
 non-invertible symmetries along the flow. We present consistent alternativ
 es\, which however violate crossing symmetry and obey modified rules dicta
 ted by fusion categories. Based on upcoming work with Christian Copetti an
 d Shota Komatsu.
LOCATION:Potter Room\, DAMTP
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