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X-WR-CALNAME:Center for Complex Geometry
X-ORIGINAL-URL:https://ccg.ibs.re.kr
X-WR-CALDESC:Events for Center for Complex Geometry
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TZID:Asia/Seoul
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TZOFFSETFROM:+0900
TZOFFSETTO:+0900
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DTSTART:20230101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20241013
DTEND;VALUE=DATE:20241015
DTSTAMP:20260416T054641
CREATED:20240930T082712Z
LAST-MODIFIED:20240930T082712Z
UID:3359-1728777600-1728950399@ccg.ibs.re.kr
SUMMARY:Changho Han (한창호\, Korea University)
DESCRIPTION:Changho Han (한창호) \nVisitor (2024.10.13-2024.10.14) from Korea University \nOffice: –
URL:https://ccg.ibs.re.kr/event/changho-han-241013-241014/
CATEGORIES:Visitors
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Seoul:20241014T160000
DTEND;TZID=Asia/Seoul:20241014T170000
DTSTAMP:20260416T054641
CREATED:20240930T081445Z
LAST-MODIFIED:20241007T061046Z
UID:3348-1728921600-1728925200@ccg.ibs.re.kr
SUMMARY:Changho Han\, Trigonal Curves and Associated K3 Surfaces
DESCRIPTION:    Speaker\n\n\nChangho Han\nKorea university\n\n\n\n\n\n\nK3 surfaces\, as a generalization of elliptic curves\, have a rich amount of geometric properties. Recalling that elliptic curves are double covers of rational curves branched over 4 distinct points\, there are K3 surfaces that are cyclic triple covers of rational surfaces; Artebani and Sarti classified such generic K3 surfaces depending on lattice invariants. Such K3 surfaces admit Kulikov and KSBA degenerations\, each leading to toroidal and KSBA compactifications of the moduli spaces of such K3 surfaces. As joint works in progress with Valery Alexeev\, Anand Deopurkar\, and Philip Engel\, I will explain how to use trigonal curves (triple covers of rational curves) to obtain aforementioned degenerations\, leading to more explicit understandings of boundaries of those compactifications: such as classifications of generic members and the dimensions.
URL:https://ccg.ibs.re.kr/event/2024-1014/
LOCATION:B236-1\, IBS\, Korea\, Republic of
CATEGORIES:Algebraic Geometry Seminar
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