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X-FROM-URL:https://eom.sdu.dk/events/ical/709d9f76-a984-4955-b1d4-6f583446
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X-WR-CALNAME:QM Research Seminar: Multi-fusion categories from 2-Segal spa
 ces
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TZID:Europe/Copenhagen
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DTSTAMP:20260602T163402Z
DTSTART:20261028T030000
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DESCRIPTION:[b]Speaker: Jonte Gödicke[/b]\n (University of Hamburg) \n\n[b
 ]Abstract:[/b]\nIn the study of 3-dimensional Topological Quantum Field T
 heories (short TQFTs)\, certain monoidal categories called multi-fusion c
 ategories are of fundamental importance. Well-known examples of these ari
 se from finite groups through a linearization construction. However\, it 
 is less well-known that the same construction can produce more interestin
 g examples of monoidal structures from any 2-Segal space. These include s
 o-called Hall monoidal structures\, which are anticipated to have interes
 ting connections to quantum topology and TQFTs.In this talk\, I will clas
 sify those 2-Segal spaces that induce multi-fusion categories. For this\,
  I will introduce a 2-categorical characterization of multi-fusion catego
 ries to translate questions about these monoidal structures to questions 
 about homotopy coherent algebra in span categories. If time permits\, I w
 ill discuss extensions of this to the context of derived categories and d
 erived TQFTs.
DTEND:20241216T150000Z
DTSTAMP:20260602T163402Z
DTSTART:20241216T140000Z
LOCATION:Syddansk Universitet\, Campusvej 55\, 5230\, Odense M
SEQUENCE:0
SUMMARY:QM Research Seminar: Multi-fusion categories from 2-Segal spaces
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