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TZOFFSETFROM:+0900
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DTSTART:20220101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20230301
DTEND;VALUE=DATE:20240229
DTSTAMP:20260417T100227
CREATED:20230425T013322Z
LAST-MODIFIED:20230504T065225Z
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SUMMARY:Insong Choe (최인송\, Konkuk University)
DESCRIPTION:Insong Choe (최인송) \nVisitor (2023.3.1-2024.2.28) from Konkuk University \nOffice: B255
URL:https://ccg.ibs.re.kr/event/230301-240228/
CATEGORIES:Visitors
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BEGIN:VEVENT
DTSTART;TZID=Asia/Seoul:20231010T110000
DTEND;TZID=Asia/Seoul:20231010T120000
DTSTAMP:20260417T100227
CREATED:20230924T041001Z
LAST-MODIFIED:20230924T041001Z
UID:2534-1696935600-1696939200@ccg.ibs.re.kr
SUMMARY:Guolei Zhong\, Positivity of Tangent Sheaf of Projective Varieties
DESCRIPTION:    Speaker\n\n\nGuolei Zhong\nIBS-CCG\n\n\n\n\n\n\nIn this talk\, we discuss the structure of projective varieties with certain positive tangent sheaves. More precisely\, when the tangent sheaf is almost nef or positively curved\, we construct a well-defined MRC fibration and study the Fujita decomposition of reflexive sheaves. Besides\, we show that the almost nefness of the tangent sheaf will impose rather restrictive condition on the singularities\, and some typical examples will be given. This is based on my recent joint work with Masataka Iwai and Shin-ichi Matsumura.
URL:https://ccg.ibs.re.kr/event/2023-10-10/
LOCATION:B236-1\, IBS\, Korea\, Republic of
CATEGORIES:Algebraic Geometry Seminar
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