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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:20240101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20250301
DTEND;VALUE=DATE:20260216
DTSTAMP:20260415T184246
CREATED:20250304T080834Z
LAST-MODIFIED:20250304T081528Z
UID:3669-1740787200-1771199999@ccg.ibs.re.kr
SUMMARY:Ngoc Cuong Nguyen (KAIST)
DESCRIPTION:Ngoc Cuong Nguyen\nVisitor (2025.3.1-2026.2.15) from KAIST\nOffice: B248
URL:https://ccg.ibs.re.kr/event/250301-260215/
CATEGORIES:Visitors
ATTACH;FMTTYPE=image/jpeg:https://ccg.ibs.re.kr/wp-content/uploads/2025/03/ncnguyen_rescaled-1.jpg
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BEGIN:VEVENT
DTSTART;TZID=Asia/Seoul:20250319T150000
DTEND;TZID=Asia/Seoul:20250319T163000
DTSTAMP:20260415T184246
CREATED:20250227T014115Z
LAST-MODIFIED:20250313T070255Z
UID:3643-1742396400-1742401800@ccg.ibs.re.kr
SUMMARY:Lorenzo Barban\, Geometric Invariant Theory for C*-actions
DESCRIPTION:    Speaker\n\n\nLorenzo Barban\nIBS CCG\n\n\n\n\n\n\nIn this second talk\, which is the technical core of the lecture series\, we describe several tools to study C*-actions on projective varieties\, such as the bandwidth\, the AMvsFM Lemma\, and the pruning of a variety. With this\, we will be able to describe the -birational geometry of the- geometric quotients of a C* action on a pair (X\, L)\, with X a normal projective variety and L an ample line bundle on X. We will conclude by characterizing C*-varieties with small bandwidth.
URL:https://ccg.ibs.re.kr/event/2025-0319/
LOCATION:B236-1\, IBS\, Korea\, Republic of
CATEGORIES:Complex Geometry Seminar
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