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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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TZOFFSETFROM:+0900
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DTSTART:20220101T000000
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20230227
DTEND;VALUE=DATE:20230301
DTSTAMP:20260525T192811
CREATED:20230127T105023Z
LAST-MODIFIED:20230213T044029Z
UID:2034-1677456000-1677628799@ccg.ibs.re.kr
SUMMARY:Seminars on Algebraic Surfaces and Related Topics
DESCRIPTION:     Schedule\n\n\nFeb. 27 \n\n\n\n\n\nN-resolutions\nGiancarlo Urzua (UC Chille)\n13:30-14:20 \n\n\nSmooth Projective Surfaces with Pseudo-effective Tangent Bundles\nGuolei Zhong (IBS-CCG)\n14:40-15:30 \n\n\nNodal Surfaces and Cubic Discriminants\nYonghwa Cho (IBS-CCG)\n15:50-16:40 \n\n\nLagrangian Fibration Structure on the Cotangent Bundle of a Del Pezzo Surface of Degree 4\nHosung Kim (IBS-CCG)\n17:00-17:50 \n\n\nDinner\n18:20-20:00\n\n\n\n\n\nFeb. 28 \n\n\n\n\n\nDeformations of Sandwiched Surface Singularities and the Minimal Model Program\nDongsoo Shin (Chungnam National U.)\n10:00-10:50 \n\n\nMori Dream Surfaces of General Type with pg=0\nJongHae Keum (KIAS)\n11:10-12:00 \n\n\nLunch\n12:00-13:00
URL:https://ccg.ibs.re.kr/event/2023-02-27-28/
LOCATION:B236-1\, IBS\, Korea\, Republic of
CATEGORIES:Conferences and Workshops
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Seoul:20230228T100000
DTEND;TZID=Asia/Seoul:20230228T105000
DTSTAMP:20260525T192811
CREATED:20230212T131517Z
LAST-MODIFIED:20230212T131517Z
UID:2069-1677578400-1677581400@ccg.ibs.re.kr
SUMMARY:Dongsoo Shin\, Deformations of Sandwiched Surface Singularities and the Minimal Model Program
DESCRIPTION:     Speaker\n\n\nDongsoo Shin\nChungnam National U.\n\n\n\n\n\n\n(This is a part of Seminars on Algebraic Surfaces and Related Topics.) \nWe investigate the correspondence between three theories of deformations of rational surface singularities: de Jong and van Straten’s picture deformations\, Kollár’s P-resolutions\, and Pinkham’s smoothings of negative weights. We provide an explicit method for obtaining\, from a given deformation in one theory\, deformations in other theories that parameterize the same irreducible components of the deformation space of the singularity. We employ the semi-stable minimal model program significantly for this purpose. We prove Kollár conjecture for various sandwiched surface singularities as an application. This is a joint work with Heesang Park.
URL:https://ccg.ibs.re.kr/event/2023-02-28-1000-1050/
LOCATION:B236-1\, IBS\, Korea\, Republic of
CATEGORIES:Algebraic Geometry Seminar
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