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SUMMARY:Miranda Cheng (University of Amsterdam)
DTSTART:20201016T160000Z
DTEND:20201016T170000Z
DTSTAMP:20260423T024700Z
UID:TQFT/16
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/TQFT/16/">Qu
 antum modular forms and $3$-manifolds</a>\nby Miranda Cheng (University of
  Amsterdam) as part of Topological Quantum Field Theory Club (IST\, Lisbon
 )\n\n\nAbstract\nQuantum modular forms are functions on rational numbers t
 hat have rather mysterious weak modular properties. Mock modular forms and
  false theta functions are examples of holomorphic functions on the upper-
 half plane which lead to quantum modular forms. Inspired by the $3d-3d$ co
 rrespondence in string theory\, new topological invariants named homologic
 al blocks for (in particular plumbed) three-manifolds have been proposed a
  few years ago. My talk aims to explain the recent observations on the qua
 ntum modular properties of the homological blocks\, as well as the relatio
 n to logarithmic vertex algebras.\n\nThe talk will be based on a series of
  work in collaboration with Sungbong Chun\, Boris Feigin\, Francesca Ferra
 ri\, Sergei Gukov\, Sarah Harrison\, and Gabriele Sgroi.\n
LOCATION:https://researchseminars.org/talk/TQFT/16/
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