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SUMMARY:Gyujin Oh (Columbia University)
DTSTART:20241217T210000Z
DTEND:20241217T220000Z
DTSTAMP:20260423T130421Z
UID:MITNT/106
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITNT/106/">
 Derived Hecke action for weight one modular forms via classicality</a>\nby
  Gyujin Oh (Columbia University) as part of MIT number theory seminar\n\nL
 ecture held in Room 2-449 in the Simons Building (building 2).\n\nAbstract
 \nIt is known that a p-adic family of modular forms does not necessarily s
 pecialize into a classical modular form at weight one\, unlike the modular
  forms of weight 2 or higher. We will explain how this "obstruction to cla
 ssicality" leads to a derived action on modular forms of weight one\, whic
 h can also be understood as the so-called derived Hecke operator at p. We 
 will discuss the role of the derived action in the study of p-adic periods
  of the adjoint of the weight one modular forms.\n
LOCATION:https://researchseminars.org/talk/MITNT/106/
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