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SUMMARY:Florian Sprung (Arizona State University)
DTSTART:20230217T003000Z
DTEND:20230217T020000Z
DTSTAMP:20260423T040542Z
UID:UCSBsga/41
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/UCSBsga/41/"
 >On characteristic power series of dual signed Selmer groups</a>\nby Flori
 an Sprung (Arizona State University) as part of UCSB Seminar on Geometry a
 nd Arithmetic\n\n\nAbstract\nIn joint work with Jishnu Ray\, we relate the
  cardinality of the p-primary part of the Bloch-Kato Selmer group over Q a
 ttached to a modular form at a non-ordinary prime p to the constant term o
 f the characteristic power series of the signed Selmer groups over the cyc
 lotomic Zp-extension of Q. This generalizes a result of Vigni and Longo in
  the ordinary case. In the case of elliptic curves\, such results follow f
 rom earlier works by Greenberg\, Kim\, the second author\, and Ahmed–Lim
 \, covering both the ordinary and most of the supersingular case.\n
LOCATION:https://researchseminars.org/talk/UCSBsga/41/
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