BEGIN:VCALENDAR VERSION:2.0 PRODID:researchseminars.org CALSCALE:GREGORIAN X-WR-CALNAME:researchseminars.org BEGIN:VEVENT SUMMARY:Raymond van Bommel (Massachusetts Institute of Technology) DTSTART:20220511T140000Z DTEND:20220511T153000Z DTSTAMP:20260422T220658Z UID:STAGE/58 DESCRIPTION:Title: P roof of the amplification principle 1\nby Raymond van Bommel (Massachu setts Institute of Technology) as part of STAGE\n\nLecture held in Room 2- 449 in the MIT Simons Building.\n\nAbstract\nWe will recall the definition s of the Betti map and Betti rank\, and look at the degeneration locus of abelian schemes. We will see how these notions are related to each other\, and the bi-algebraic structure that we saw in the previous talk.\n\nAll p articipants should abide by MIT's COVID policies https://now.mit.edu/polic ies/events/\n LOCATION:https://researchseminars.org/talk/STAGE/58/ END:VEVENT END:VCALENDAR