SUNG RAK CHOI
Associate professor in the Mathematics Department, Yonsei university, Seoul, Korea.
Research interest : birational algebraic geometry.
Email : sungrakc(at)yonsei.ac.kr
CV
RESEARCH INTEREST
Algebraic Geometry (Birational Geometry, Minimal Model Program, Positivity of divisors, Okounkov bodies, etc.)
EMPLOYMENT
2019 Mar- : Associate Professor,
2016 Mar-2019 Feb: Assistant Professor (주임교수 2017 Mar-2019 Feb),
Department of Mathematics, Yonsei University, Seoul, Republic of Korea
2015 May - 2016 Feb : IBS Fellow (tenure-track),
Institute for Basic Science, Center for Geometry and Physics, Pohang, Republic of Korea
2013 Jul - 2015 Apr: Research Fellow,
Institute for Basic Science, Center for Geometry and Physics, Pohang, Republic of Korea
2011 Jul - 2013 Jun: Collegiate assistant professor,
POSTECH, Pohang, Republic of Korea
2008 Jul - 2011 Jun: Visiting Assistant Professor,
University of California at Riverside, USA
EDUCATION
2003 - 2008: Ph.D. Mathematics (advisor: Vyachelav V. Shokurov),
Johns Hopkins University, USA1996 - 2003: B.S., Magna Cum Laude, Mathematics,
Yonsei University, Seoul, Republic of Korea
(1998 Jul-2000 Sep: mandatory military service)
Current Students
(as of Jan 2022)
Sungwook Jang (Ph.D)
Daewon Lee (Ph.D)
Ilhyung Jo (Ph.D)
Donghyeon "Nari" Kim (Ph.D)
(as of Jan 2022)
Sungwook Jang (Ph.D)
Daewon Lee (Ph.D)
Ilhyung Jo (Ph.D)
Donghyeon "Nari" Kim (Ph.D)
CV for more information, which is hardly up to date.
PUBLICATION
RESEARCH PAPERS
On a generalized Batyrev's cone conjecture (with Yoshinori Gongyo), Math.Z. 300, 1319–1334 (2022)
Local numerical equivalences and Okounkov bodies in higher dimensions (with Jinhyung Park, Joonyeong Won), to appear in Michigan Math. J.
A product formula for volumes of divisors via Okounkov bodies (with Seung-Jo Jung, Jinhyung Park and Joonyeong Won), Int Math Res Notices. 2019 no. 22, 7118-7137 .
Okounkov bodies associated to pseudoeffective divisors (with Yoonsuk Hyun, Jinhyung Park and Joonyeong Won), J. London Math. Soc. (2) 98 (2018), 170-195.
Asymptotic base loci via Okounkov bodies (with Yoonsuk Hyun, Jinhyung Park, and Joonyeong Won), Adv. Math. 323 (2018), 784-810.
Okounkov bodies associated to pseudoeffective divisors II (with Jinhyung Park and Joonyeong Won), Taiwanese J. Math. 21 (2017), 602-620.
Okounkov bodies and Zariski decompositions on surfaces (with Jinhyung Park and Joonyeong Won), Bull. Korean. Math. Soc. 54 (2017), 1677-1697.
Potentially non-klt locus and its applications (with Jinhyung Park), Math. Ann. (2016) 366: 141-166 (See also arXiv for updates.)
Factorization of anticanonical maps of Fano type varieties (with DongSeon Hwang, Jinhyung Park), Int Math Res Notices. (2015) 2015 (20): 10118-10142.
Geography of log models via asymptotic base loci, Int. J. Math, 25, 1450089 (2014)
On partially ample adjoint divisors, J. Pure Appl. Algebra 218 (2014), no. 7, 1171-1178.
On partially ample divisors, Math. Nachr, 287, No. 14-15, 1632-1641 (2014)
Duality of the cones of divisors and curves, Math. Res. Lett. vol 19 (2012), no 2, 403-416
On the dual of the mobile cone, Math. Z. Volume 272, Issue 1 (2012), 87-100
Geography of log models : theory and applications (with V.V Shokurov), Cent. Eur. J. Math. 9 (2011), no. 3, 489-534
Geography of log models and applications, Thesis, Johns Hopkins University
PREPRINTS
Comparing numerical dimensions again (with Jinhyung Park), arXiv, submitted
Okounkov bodies associated to abundant divisors and Iitaka fibrations (with Jinhyung Park and Joonyeong Won), arXiv, submitted
On Subadditivity of Okounkov bodies for algebraic fiber spaces (with Jinhyung Park), arXiv, submitted
Chamber decomposition of pseudoeffective cones, preprint
BOOK/TRANSLATION
플립러닝을 위한 대수학 - 환, 체 그리고 갈루아 이론편, 원준영 , 박유진 , 박진형 , 송은정 , 정기룡 , 최성락 , 홍규식 지음 (경문사)
ISBN: 9791160734690대수곡선론-오기소 케이지 지음, 최성락 옮김, (경문사) ISBN: 9791160734812 (독후감, 후기, 코멘트 환영합니다.)
(代数曲線論-小木曽啓示, 韓国語版)
OTHER WRITINGS
필즈메달 수상자, 코처 비르카 소개 in Horizon (webzine published by KIAS)
CONFERENCES & SEMINARS
This is the list of conferences/workshop that I may attend or have attended.
(*=speaker, #=organizer)
2022
Algebraic Geometry Seminar, IBS-CCG, May 31*
Colloquium, Korea University, May 20*
Colloqiuum, Sungkyunkwan University, May 12*
KIAS AG Seminar, Jan 28*
2021
2021 대수기하 심포지엄 -ONLINE, 12월20일#
SWAG10, Dec 10#
ZAG (Zoom AG Seminar) - Nov 23*
Complex Geometry Seminar, IBS-CCG, Aug 19*
SWAG9, July 1#
Colloquium, Korea university, May 14*
AG Seminar, Academy of Mathematics and Systems Science, CAS ,Chinese Academy of Science, Feb 25*
2020
2020 Symposium in Algebraic Geometry 대수기하심포지엄 (ONLINE), Dec 21-22#
SWAG8, Sogang (ZOOM ONLINE), Dec 4#
Colloquium, KAIST, Nov 26*
Steklov Institute, May 18-22, Moscow (Cancelled)*Small Workshop on AG (feat JSJ), Feb 24-25, Sogang University#
2019
ALGEBRAIC GEOMETRY IN AUCKLAND, Dec 16-20, 2019, Auckland, New Zealand
SWAG7, Dec 13, Ehwa Womans Univ#
BIRATIONAL GEOMETRY, KAHLER-EINSTEIN METRICS AND DEGENERATIONS in Pohang, IBS-CGP, Nov 18-22*
Algebraic Geometry International Conference, June 3-7, 2019, KIAS#
第2回大阪高次元代數多樣體論, 5月27-28日 (日本語講演)*
Colloquium, Sogang University, May 2, 2019*
KMS Spring meeting, April 19-20, 2019, Kangwon National University*
Birational Geometry, Kahler-Einstein metrics and Degeneration, April 8-13, Moscow, Russia
AG Seminar, Feb 26, 2019, IBS-CGP, Pohang*
AG Seminar, Feb 8, 2019, KIAS*
2018
Colloquium, Pusan National University, Nov 30, 2018, Pusan*
2018 Fall Program of Moduli Spaces and Varieties, Sept. 10 - Nov. 23, 2018, Shanghai, China
ALGEBRAIC GEOMETRY IN EAST ASIA, 23-26 Oct , 2018, Hanoi, Vietnam
Joint Meeting of the Korean Mathematical Society and the German Mathematical Society, Coex, Seoul, Korea, October 3-6, 2018*
SSAG-VII at Ewha Womans University, Sep 7, 2018#
Летняя математическая школа <<Алгебра и геометрия>>, Jaroslavl, Russia, July 23-31, 2018*
"Positivity", Yonsei Univeristy (SINCHON campus), June 4-8, 2018# (Group Photo)
Algebraic Geometry in Gunsan, May 27-30, 2018*
SWAG4, Ewha Womans Univ, April 27, 2018#
AG Seminar, KAIST, Apr 10, 2018*
Colloquium, POSTECH, Apr 6, 2018*
Young Algebraic Geometer Workshop at Kyungpook Univ, Apr 4-6,2018
SSAG VI, Konkuk Univ, Mar 30, 2018
Higher dimensional algebraic geometry, Tokyo Univ, Mar 12-16, 2018
Frontiers of Algebraic Surfaces, IBS-CGP Feb 26-Mar 2, 2018*
Korea-Italy Algebraic Geometry Conference, KIAS, Jan 8-12, 2018*
2017
The Shokurovs: Workshop for Birationalists, IBS, Pohang, Dec 18-22, 2017*#
Colloquium, Inha University, Nov 29, 2017*
Colloquium, POSTECH, Nov 24, 2017* (cancelled)Stability, Boundedness and Fano Varieties, Beijing, Aug 28-Sep 1, 2017*
Colloquium, Mathematics Department, Incheon National University, May 22, 2017*
SSAG-4, NIMS 판교 스타트업캠퍼스, May 12, 2017#
NCTS Workshop on Singularities, Linear Systems, and Fano Varieties, National Taiwan University, Taiwan, April 13-16, 2017
Algebraic Geometry Conference(a.k.a Keum 60), Haeundae, Mar 28-Apr 1, 2017*
SWAG2 - Geometry and Topology, 연세대학교, 2017년 2월 27-28일#
Research visit, Tokyo University, Feb 19-24, 2017
2016
IBS workshop, 해운대, Nov 24-27, 2016*
Int'l Conference for the 70th anniversary of KMS, SNU, Oct 20-23, 2016*
Workshop on Convexity in Algebraic Geometry, Fields Institute, Oct 2-7, 2016
SSAG 싹-하나 (Seoul Seminar on Algebraic Geometry), 연세대학교, 2016년 9월 30일-10월 1일*#
Second French-Korean Conference in Mathematics Institut de Mathématiques IMB, Bordeaux, July 4-12, 2016*
Algebraic Geometry seminar, Seoul National University, Jun 15, 2016*
Colloquium, Yonsei University, Mathematics department, Jun 9, 2016*
USEFUL LINKS
RESOURCES ON ALGEBRAIC GEOMETRY
Upcoming conferences in AG (maintained by Dr.Ravi Vakil)