Activities
Talks
2024
Towards SYZ mirror symmetry over an irreducible nodal curve, Young Perspectives on Algebraic Geometry in Jinju, Gyeongsang National University, February 1st.
2023
An introduction to Higgs bundles, UNIST Mathematical Colloquium Fall 2023, UNIST, November 16th.
Hitchin pairs with a fixed determinant on an irreducible nodal curve, KMS Special Conference with 2022 Fields Medalists in 2023 KMS Annual Meeting, Seoul National University, October 28th.
Higgs bundles with a fixed determinant on an irreducible nodal curve, A Journey through Algebraic and Complex Geometry, September 11th - poster.
Higgs bundles with a fixed determinant on an irreducible nodal curve, Geometry of moduli spaces of Higgs bundles, KIAS, September 8th.
A localization in the moduli of representations of the 3-Kronecker quiver with dimension vector (3,3), 2023 Algebraic Geometry & Topology Workshop at CBNU, Chungbuk National University, July 13th.
A geometry of the moduli space of Higgs pairs over an irreducible nodal curve of arithmetic genus one, 2023 KMS Spring Meeting, Daejeon Convention Center, April 29th
A geometry of the moduli space of Higgs pairs over an irreducible nodal curve of arithmetic genus one, BRL ASADCS Seminar, Chungnam National University, April 19th - Online.
Higgs pairs and the Hitchin map over an irreducible nodal curve of arithmetic genus one, KIAS Seminar, KIAS, March 16th.
A review on the paper “Cohomological chi-independence for Higgs bundles and Gopakumar-Vafa invariants", Seminar, Jeonbuk National University, January 18th - Online.
2022
상공간 탐구, Joint workshop on algebraic geometry and mathematics education: First encounter, 동탄, December 8th.
Higgs pairs of low rank over an irreducible nodal curve of arithmetic genus one, Workshop on Algebraic Geometry in Yeonggwang, Yeonggwang, August 23th.
조합론과 대수기하학의 만남 - 허준이 교수 필즈상 수상 업적 해설강연, 공주교육대학교 교육대학원 수학교육전공 및 수학영재교육전공 합동세미나, August 5th.
Higgs pairs of low rank over an irreducible nodal curve of arithmetic genus one, 원주 대수기하위상 워크샵 2022 여름, Wonju, July 31th.
Topics in Higgs bundles, 육군사관학교 수학과 세미나, June 24th.
Topics in Higgs bundles, 연세대학교 수학과 기하학 수요집회 강연, May 11th - Online.
Finite generation of the algebra of type A conformal blocks over a curve, KIAS Seminar, KIAS, February 25th - Online.
A review on the paper “Higgs bundles twisted by a vector bundle”, Workshop on Geometry at Raon, Jinju, February 10th.
Birational geometry of the moduli space of rank 2 parabolic vector bundles on a rational curve, KIAS Seminar, KIAS, February 3th - Online.
Spectral data for principal Higgs bundles over a singular curve, KIAS, January 28th - Online.
An introduction to Mori's program, KIAS, January 26th - Online.
An overview of birational geometry of moduli spaces, KIAS, January 25th - Online.
Invariant factors and conformal blocks, KIAS Seminar, KIAS, January 28th - Online.
An introduction to Mori's program, KIAS Seminar, KIAS, January 13th - Online.
Finite generation of the algebra of type A conformal blocks via birational geometry - basic terminologies and tools, KIAS Seminar, KIAS, January 6th - Online.
2021
Higgs pairs over an irreducible nodal curve of arithmetic genus one, 대수기하 mini workshop, KAIST, December 29th.
An application of type A conformal blocks over a curve via birational geometry, Algebraic Geometry Seminar, KIAS, October 8th - Online.
An introduction to P=W conjecture, Algebraic Geometry Seminar, KIAS, Algebraic Geometry Seminar, October 7th - Online.
Higgs pairs over an irreducible nodal curve of arithmetic genus one, Algebraic Geometry Seminar, KIAS, October 7th - Online.
An application of type A conformal blocks over a curve via birational geometry, Workshop on Quantum Analysis 2021, Samcheok, August 25th~26th.
Higgs pairs over an irreducible nodal curve of arithmetic genus one, 속초 대수기하 워크샵 2021 여름, Sokcho, July 19th.
Spectral data for SL(2,C)-Higgs bundles over an irreducible nodal curve, Algebraic Geometry Seminar, KAIST, July 14th - Zoom.
An introduction to P=W conjecture, Algebraic Geometry Seminar, KIAS, Algebraic Geometry Seminar, July 9th - Online.
Spectral data for SL(2, C)-Higgs bundles over an irreducible nodal curve, Algebraic Geometry Seminar, KIAS, July 8th - Online.
An introduction to P=W conjecture, 전주 대수기하 워크샵 2021 봄, Jeonju, May 21th ~ 22th.
An introduction to P=W conjecture and related problems over a singular base curve, 2021 KMS Annual Meeting, April 29th - Zoom.
Spectral data for SL(2,C)-Higgs bundles over an irreducible nodal curve, 제주 대수기하 워크샵 2021, Jeju, April 23th.
Spectral data for principal Higgs bundles over a singular curve, Complex Geometry Seminar at IBS-CCG, IBS-CCG, January 14th.
2020
Spectral data for principal Higgs bundles over a singular curve, 2020 Symposium in Algebraic Geometry, December 22th - Zoom.
Spectral data for principal Higgs bundles over a singular curve, 공주 대수기하 워크샵, Gongju, November 19th.
Spectral data over a singular curve, 2020 KMS Annual Meeting, October 24th - Zoom.
Finite generation of the algebra of type A conformal blocks and its flat degeneration, Recent Advances in Moduli and Invariants 2020, September 24th - Zoom.
Spectral data over a singular curve, Algebraic Geometry and Current trends in Mathematics, Pukyong National University, July 17th - Zoom.
Finite generation of the algebra of type A conformal blocks and its flat degeneration, Seminar, Sungkyunkwan University, April 3rd.
2019
An overview of birational geometry of moduli spaces, Joint Workshop on Algebraic Geometry and Number Theory around Young-Nam, Kyungpook National University, November.
2018
Finite generation of the algebra of type A conformal blocks over arbitrary stable curves of any genus, Workshop on Moduli theory & Derived category, IBS-CGP, November - Invited Talk.
Finite generation of the algebra of type A conformal blocks over a curve, Algebraic Geometry in Gunsan, Gunsan, May - Invited Talk.
2017
Mori’s program of the moduli space of parabolic bundles over a projective line, The 3rd Yeongnam workshop on algebraic geometry, POSTECH, December - Invited Talk.
Finite generation of the algebra of type A conformal blocks via birational geometry, Vector bundles on algebraic varieties, IBS-CGP, November - Invited Talk.
2016
The Hitchin map and Hecke modifications of rank 2 twisted Higgs bundles on a curve, Algebraic Geometry Seminar, KIAS, December.
Parabolic bundles and conformal blocks, YeungNam Seminar on Algebraic Geometry I, Yeungnam University, November - Invited Talk.
An introduction to the space of conformal blocks, Summer school on Algebraic Geometry and Conformal Field Theory, Geoje, August - Invited Talk.
Fibers of Hitchin map and elementary modifications of stable rank 2 twisted higgs bundles on a curve, KIAS Workshop on Higgs bundles and related topics, KIAS, May - Invited Talk.
Higgs Hecke cycles and stable rank 2 twisted Higgs bundles on a curve, Workshop on rational curves and moduli, Damyang, May - Invited Talk.
Higgs Hecke cycles and stable rank 2 twisted Higgs bundles on a curve, T-Seminar, POSTECH, April.
Higgs Hecke cycles and stable rank 2 Higgs bundles on a curve, 2016 KMS Spring Meeting, Sungkyunkwan University, April.
2015
E-polynomials of SL(3,C)-character varieties for curves of small genus, Algebraic Geometry Seminar, KIAS, May.
Birational geometry of the moduli space of rank 2 parabolic vector bundles on a rational curve, Algebraic Geometry Seminar, KIAS, January.
2014
Birational geometry of the moduli space of rank 2 parabolic vector bundles on a rational curve, Algebraic Geometry Seminar, Seoul National University, December.
Birational geometry of the moduli space of rank 2 parabolic vector bundles on a rational curve, Algebraic Geometry Seminar, KAIST, October.
Birational geometry of the moduli space of rank 2 parabolic vector bundles on a rational curve, 2014 KMS Annual Meeting, Yonsei University, October.
A desingularization of the moduli space of Higgs bundles over a curve, The Geometry, Topology and Physics of Moduli Spaces of Higgs Bundles (ICM Satellite Conference), National University of Singapore, Singapore, July.
Parabolic bundles and related birational geometry of moduli spaces, Colloquium in the Department of Mathematics, Ehwa Womans University, May.
2013
An ample line bundle on the moduli space of parabolic bundles over a rational curve, Algebraic Geometry Seminar, Seoul National University, December.
Seshadri’s desingularization of the moduli space of Higgs bundles over a curve, The Asian Mathematical Conference, Busan, July.
2012
Intersection cohomology of a complete intersection of three quadrics, T-Seminar, POSTECH, October.
A new candidate of the desingularization of the moduli space of Higgs bundles, Algebraic Geometry Seminar, POSTECH, September.
A new candidate of the desingularization of the moduli space of Higgs bundles, Algebraic Geometry Seminar, Seoul National University, April
An introduction to geometric invariant theory and some examples, Algebraic Geometry Seminar, Korea University, April.
2011
A comparison problem between the Kirwan desingularization and a candidate of another desingularization of the moduli space of Higgs bundles over a curve, Geometry Journal Meeting, KIAS, September and December.
Seshadri desingularization of the moduli space of Higgs bundles over a curve, Geometry Seminar, KIAS, April.
2009
Stringy E-function and intersection cohomology of the moduli space of Higgs bundles over an algebraic curve, Symposium in Algebraic Geometry, Busan, December - Invited Talk.
Stringy E-function and intersection cohomology of the moduli space of Higgs bundles over an algebraic curve, Colloquium in the Department of Mathematics, Konkuk University, October - Invited Talk.
Stringy E-function and intersection cohomology of the moduli space of Higgs bundles over an algebraic curve, NIMS-SNU Algebra Camp, Cheonan, August.
2008
The intersection Betti numbers of the moduli space of Higgs pairs with trivial determinant, The 5th RIMS-SNU Joint symposium, RIMS, Japan, February - Poster Session.
2007
The Stringy E-function of the moduli space of Higgs bundles with trivial determinant, The 9th Hokkaido-Seoul National University Joint Symposium, Hokkaido University, Japan, February.
The Stringy E-function of the moduli space of Higgs bundles with trivial determinant, The 4th RIMS-SNU Joint symposium, Seoul National University, February - Poster Session.
Organizers
Geometry of moduli spaces of Higgs bundles, KIAS, Seoul, 2023
Workshop on Geometry of Moduli Spaces, St. Johns Hotel, Gangneung, 2022
복소곡면의 퇴화에 관한 워크샵 2022
Workshop on Geometry at Raon, Jinju, 2022
부여 대수기하 워크샵 2021 가을
대구 대수기하 워크샵 2021
공주 대수기하 워크샵 2020
Joint Workshop on Algebraic Geometry and Number Theory around Young-Nam 2019
Chairs
(FS-02) Combinatorics and Algebraic Geometry, KMS Special Conference with 2022 Fields Medalists in 2023 KMS Annual Meeting, Seoul National University, October 27th.
(AL) Algebra, KMS Special Conference with 2022 Fields Medalists in 2023 KMS Annual Meeting, Seoul National University, October 28th.