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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
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DTSTART:20250101T000000
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DTSTART;TZID=Asia/Seoul:20260710T100000
DTEND;TZID=Asia/Seoul:20260710T110000
DTSTAMP:20260621T155950Z
CREATED:20260609T063041Z
LAST-MODIFIED:20260621T155950Z
UID:4573-1783677600-1783681200@ccg.ibs.re.kr
SUMMARY:Hodge structure on the singular cohomology of singular cubic fourfolds
DESCRIPTION:    Speaker\n\n\nHyunsuk Kim\nUniversity of Michigan\n\n\n\n\n\n\nConsidering the singular cohomology of a cubic fourfold yields a morphism from the moduli space of (smooth) cubic fourfolds to the period domain. Both spaces have natural compactifications\, the GIT moduli space of cubic fourfolds parametrizing all GIT polystable objects\, and the Baily-Borel compactification of the period domain\, purely coming from group theory. This yields a birational map between two projective varieties. Laza and Looijenga independently gave a precise description of the birational geometry between these two spaces. Recently\, Sung Gi Park gave a systematic understanding on this picture using Hodge-Du Bois theory and higher singularities\, which have been developed by Friedman-Laza\, Mustata-Popa\, and many others. \nIn order to attack this question\, it is vital to understand the Hodge structure on the singular cohomology of a singular member in this moduli problem\, and also the Hodge theoretic properties of a degeneration to it. In a joint work with Kenny Ascher\, Jennifer Li\, Lisa Marquand\, Sung Gi Park\, and Sasha Viktorova\, we systematically carry out the calculation of the Hodge-Du Bois diamond of all GIT polystable cubic fourfolds using techniques coming from Saito’s Hodge modules.
URL:https://ccg.ibs.re.kr/event/tba-7/
LOCATION:B236-1\, IBS\, Korea\, Republic of
CATEGORIES:Algebraic Geometry Seminar
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20261109
DTEND;VALUE=DATE:20261114
DTSTAMP:20260613T170852Z
CREATED:20260307T152404Z
LAST-MODIFIED:20260613T170852Z
UID:4463-1794182400-1794614399@ccg.ibs.re.kr
SUMMARY:Conference on Complex Geometry
DESCRIPTION:Speakers\nRodolf Aguilar Aguilar (CIMAT\, Guanajuato)\nCong Ding (Shenzhen U.)\nCecil Gachet (U. Bochum)\nJaehyun Hong (IBS-CCG)\nXiaojun Huang (Rutgers U.)\nYuta Kusakabe (Kyushu U.)\nMinseong Kwon (AMSS\, Beijing)\nSuichung Ng (ECNU\, Shanghai)\nDan Popovici (U. Toulouse)\nVasily Rogov (MPI\, Leipzig)\nMin Ru (U. Houston)\nAeryeong Seo (Kyungpook National U.)\nLaurent Stolovitch (U. Nice)\nSheng-Li Tan (ECNU\, Shanghai)\nWing-Keung To (National U. Singapore)\nI-Hsun Tsai (National Taiwan U.)\nJulie Wang (Academia Sinica\, Taipei)\nKwok Kin Wong (Shenzhen U.) \nAbstracts\nTBA \nSchedule\nTBA \nOrganizers\nPhilippe Eyssidieux (U. Grenoble)\nJun-Muk Hwang (IBS-CCG)\nSung Yeon Kim (IBS-CCG)\nNgaiming Mok (U. Hong Kong) \nVenue\nScience Culture Center\, IBS\, Daejeon\, Korea \nMore Information\n• How to get to IBS-CCG
URL:https://ccg.ibs.re.kr/event/2026-11-09-13/
LOCATION:IBS Science Culture Center\, Daejeon\, Korea\, Republic of
CATEGORIES:Conferences and Workshops
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