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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
TZNAME:KST
DTSTART:20230101T000000
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BEGIN:VEVENT
DTSTART;TZID=Asia/Seoul:20240513T143000
DTEND;TZID=Asia/Seoul:20240513T153000
DTSTAMP:20260418T220807
CREATED:20240308T031601Z
LAST-MODIFIED:20240422T004325Z
UID:3009-1715610600-1715614200@ccg.ibs.re.kr
SUMMARY:Hsueh-Yung Lin\, Motivic Invariants of Birational Automorphisms of Threefolds
DESCRIPTION:    Speaker\n\n\nHsueh-Yung Lin\nNational Taiwan University\n\n\n\n\n\n\nThe motivic invariant c(f) of a birational automorphism f : X – → X measures the difference between the birational types of the exceptional divisors of f and those of the inverse f-1. In general c(f) is nonzero: this is the case when f is some Cremona transformation\, which leads to new explanation as to why Cremona groups are not simple. In the other direction\, which will be the main focus of the talk\, we show that the invariant c(f) always vanishes when X is a complex projective threefold. (joint work in progress with E. Shinder.)
URL:https://ccg.ibs.re.kr/event/2024-0513-1430-1530/
LOCATION:B236-1\, IBS\, Korea\, Republic of
CATEGORIES:Algebraic Geometry Seminar
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20240514
DTEND;VALUE=DATE:20240517
DTSTAMP:20260418T220807
CREATED:20240305T011448Z
LAST-MODIFIED:20240517T022906Z
UID:2985-1715644800-1715903999@ccg.ibs.re.kr
SUMMARY:Workshop on Algebraic Geometry in Busan
DESCRIPTION:Speakers\nLorenzo Barban (IBS-CCG)\nJungkai Chen (National Taiwan University)\nToshiyuki Katsura (University of Tokyo)\nShigeyuki Kondo (Nagoya University)\nChing-Jui Lai (National Cheung Kung University)\nDonggun Lee (IBS-CCG)\nHsueh-Yung Lin (National Taiwan University)\nShigeru Mukai (Kyoto University)\nKeiji Oguiso (University of Tokyo) \nAbstracts\nPDF file \nSchedule\nMay 14 (Tuesday) \n14:00~14:20 Registration\n14:20~15:20 Oguiso\n15:40~16:40 Lai\n17:00~18:00 Lin\n18:30~20:30 Dinner \nMay 15 (Wednesday) \n09:30~10:30 Katsura\n11:00~12:00 Kondo\n12:00~13:30 Lunch\n13:30~17:30 Discussion\n18:00~20:00 Banquet \nMay 16 (Thursday) \n09:30~10:30 Chen\n11:00~12:00 Barban\n12:00~13:30 Lunch\n13:30~14:30 Lee\n15:00~16:00 Mukai \nOrganizers\nJongHae Keum (KIAS)\nYongnam Lee (IBS-CCG/KAIST) \nVenue\nLa Valse Hotel\, Busan \n* Due to available hotel rooms and budgets\, participation is by invitation only. If you are interested to participate in this workshop\, please contact one of the organizers by April 15.
URL:https://ccg.ibs.re.kr/event/2024-0514-0516/
LOCATION:La Valse Hotel\, Busan\, Korea\, Republic of
CATEGORIES:Conferences and Workshops
ATTACH;FMTTYPE=image/jpeg:https://ccg.ibs.re.kr/wp-content/uploads/2024/05/IMG_6536-scaled.jpeg
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