Activities

Seminar organization

Editorial job

  • Associate editor of the Notices of the American Mathematical Society

Talks

(boldface: series lectures)

2025

  • (upcoming) Knot Theory and Quantum Topology, AMS Western Sectional Meeting, California Polytechnic, May.
  • (upcoming) Derived category of the moduli space of bundles, Perspectives on Moduli in Algebraic Geometry, Brin Mathematics Research Center, January.

2024

  • Skein algebra and cluster algebra, geometry and topology seminar, KIAS, December.
  • Derived category of moduli space of vector bundles on a curve, KIAS, November.
  • Birational geometry of moduli spaces, four-hour lectures, Postech, November.
  • Point configurations, phylogenetic trees, and dissimilarity maps, A Showcase of Algebraic Geometry at Undergraduate Institutions, AMS Central Sectional Meeting, University of Texas–San Antonio, September.
  • Derived category of moduli space of vector bundles on a curve, algebra and geometry seminar, Università di Genova, July.
  • Derived category of moduli space of vector bundles on a curve, Automorphisms of Riemann Surfaces and Related Topics, AMS Central Sectional Meeting, University of Wisconsin–Milwaukee, April.
  • Derived category of moduli space of vector bundles on a curve, Harvard-MIT algebraic geometry seminar, April.
  • Presentations of the Roger-Yang generalized skein algebra, Skein Modules in Low Dimensional Topology, AMS Eastern Sectional Meeting, Howard University, April.
  • Cluster algebras and generalized skein algebras, Quantum Topology seminar, online, March.
  • Cluster algebras and generalized skein algebras, Knots, graphs and groups seminar, online, March.
  • Algebra of conformal blocks, algebra seminar, Fordham, February.
  • On roots of complex polynomials, department seminar, Fordham, February.
  • Cluster algebras and generalized skein algebras, Knots, Skein Modules, and Categorification, Joint Mathematical Meeting, San Francisco, January.

2023

  • Derived category of moduli space of vector bundles, Fordham algebra seminar, November.
  • Derived category of moduli space of vector bundles, Commutative Algebra and Algebraic Geometry seminar, CUNY, October.
  • Algebraic geometry over finite fields, AG@PUI seminar, October.

2022

  • Algebra and Geometry of Conformal Blocks, BrainLink, Incheon, December.
  • Derived category of moduli space of vector bundles, department seminar, Fordham University, October.
  • Derived category of moduli space of vector bundles, Global KMS conference, online, October.
  • Derived category of moduli space of vector bundles, Workshop on Geometry of Moduli Spaces, Gangneung, August.
  • Vector bundles and representation theory on a curve, QSMS seminar, Seoul National University, August.
  • Compatibility of skein algebra and cluster algebra, algebraic geometry seminar, University of California, Davis, online, May.
  • Point configurations, phylogenetic trees, and dissimilarity maps, Special Session on Group Actions on Varieties, KMS Spring Meeting, online, April.
  • Introduction to Geometric Invariant Theory, four-hour lecture, DGIST, online, February.
  • Derived category of moduli of vector bundles, three-hour lecture, Complex Geometry seminar, IBS, online, January.

2021

  • Point configurations, phylogenetic trees, and dissimilarity maps, seminar talk, University of California Riverside, online, November.
  • Conformal Blocks in Algebraic Geometry, three-hour lecture, University of Miami, online, October.
  • Derived category of moduli of vector bundles, seminar talk, Stanford University, online, September.
  • Generalized skein algebra and decorated Teichmuller space, Cluster algebras and related topics, Seoul National University, online, July.
  • Point configurations, phylogenetic trees, and dissimilarity maps, AGEA seminar, online, July.
  • Can we recover the history of life with mathematics?, seminar talk, Fordham University, April.
  • Point configurations, phylogenetic trees, and dissimilarity maps, Special Session on Moduli of curves, Hilbert schemes, and tropical geometry, AMS Sectional Meeting, online, March.

2020

  • Point configurations, phylogenetic trees, and dissimilarity maps, ZAG seminar, online, December.
  • Let’s count points!, seminar talk, Fordham University, November.
  • Finite generation of the algebra of conformal blocks via birational geometry, Geometry and Topology Seminar, Virginia Commonwealth University, May.
  • (canceled due to COVID-19) Point configurations and metric trees, Special Session on Moduli of curves, Hilbert schemes, and tropical geometry, AMS Sectional Meeting, Tufts University, March.
  • (canceled due to COVID-19) Finite generation of the algebra of conformal blocks via birational geometry, Special Session on Quantum Algebra and Geometry, AMS Sectional Meeting, University of Virginia, March.

2019

  • Let’s count points!, colloquium talk, Claremont Center for Mathematical Sciences, November.
  • Phylogenetic trees, tropical geometry, and point configurations, seminar talk, Fordham University, October.
  • Geometry of quotient varieties and the algebra of conformal blocks, seminar talk, Claremont McKenna College, April.

2018

  • Equations for point configurations to lie on a rational normal curve, seminar talk, KIAS, May. 
  • Finite generation of the algebra of type A conformal blocks over a curve – Part 2, Algebraic Geometry in Gunsan, Gunsan, May.
  • Introduction to conformal blocks, six-hour lecture, IBS-CGP, May.
  • On zeros of complex polynomials, colloquium talk at Department of Mathematics Education, Seoul National University, May.

2017

  • Equations for point configurations to lie on a rational normal curve, seminar talk, Seoul National University, December.
  • Birational geometry of moduli spaces, seminar talk, Fordham University, December.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, Johns Hopkins University, November.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, University of Massachusetts Amherst, November.
  • Birational geometry of moduli spaces of parabolic bundles, Workshop on Topics in Algebraic Geometry, University of North Carolina at Chapel Hill, November.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, Rutgers University, October.
  • Let’s count points!, colloquium talk, Swarthmore College, September.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, KAIST, June.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, Seoul National University, June.
  • Rationality of moduli spaces of hyperplane arrangements, One-day workshop on hyperplane arrangements and singularities, KIAS, June.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, KIAS, June.
  • Birational geometry of moduli spaces, colloquium talk, University of Seoul, June.
  • Let’s count points!, colloquium talk at Department of Mathematics Education, Seoul National University, June.
  • Some facts that you may not know about right triangles, math club talk, Fordham University, May.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, Courant Institute, April.
  • Birational geometry of moduli spaces, colloquium, Claremont McKenna College, February.
  • Birational geometry of moduli spaces, seminar talk, University of Arizona, February.
  • Birational geometry of moduli spaces, colloquium, University of Kentucky, January.
  • Classical invariant theory and birational geometry of moduli spaces of parabolic bundles, Joint Mathematics Meeting, Atlanta, January.

2016

  • Classical invariant theory and birational geometry of moduli spaces, Workshop on Combinatorial Moduli Spaces, Fields Institute, December.
  • Classical invariant theory and birational geometry of moduli spaces, seminar talk, Princeton University, November.
  • A computational approach to the F-conjecture, seminar talk, KIAS, May.
  • A computational approach to the F-conjecture, seminar talk, KAIST, May.
  • Geometric invariant theory and construction of moduli spaces, colloquium, Kyoungbook National University, May.
  • Moduli spaces and birational geometry, colloquium talk at Department of Mathematics Education, Seoul National University, May.
  • Birational geometry of moduli spaces of parabolic bundles, seminar talk, Seoul National University, May.
  • Algebraic geometry, moduli spaces, and invariant_theory, seminar talk, Ewha Women’s University, May.
  • A computational approach to the F-conjecture, Workshop on Rational Curves and Moduli, Damyang, May.

2015

2014

  • Effective curve class computation on moduli of rational curves, seminar talk, KIAS, August.
  • Alternative compactifications of the moduli space of pointed rational curves, seminar talk, IBS-CGP, July.
  • Do we really need integral?, math club talk, Fordham University, March.
  • Alternative compactifications of the moduli space of pointed rational curves, seminar talk, KIAS,  January.

2013

  • Alternative compactifications of the moduli space of pointed rational curves, seminar talk, Seoul National University, December.
  • Alternative compactifications of the moduli space of pointed rational curves, seminar talk, Yale University, November.
  • Birational geometry of $\bar{M}_{0,n}$ and conformal blocks, seminar talk, KIAS, July.
  • Moduli spaces and their birational geometry, seminar talk, Ehwa Women’s university, July.
  • Euler’s product formula and its geometric interpretation, colloquium talk at Department of Mathematics Education, Seoul National University, July.
  • Birational geometry of $\bar{M}_{0,n}$ and conformal blocks, seminar talk, KAIST, July.
  • Mori’s program for $\bar{M}_{0,n}$, seminar talk, KAIST, July.
  • GIT compactifications of $M_{0,n}$, The Asian Mathematical Conference 2013, Busan, July.
  • Compactifications of moduli of curves, series lecture at KIAS, June.
  • Birational geometry of $\bar{M}_{0,n}$ and conformal blocks, seminar talk, Princeton University, March.
  • Moduli spaces and their birational geometry, seminar talk, Fordham University, February.
  • Moduli spaces and their birational geometry, seminar talk, University of Georgia, February.

2012

  • Toward a classification of projective modular compactifications of $\bar{M}_{0,n}$, seminar talk, University of Georgia, October.
  • Introduction to Geometric Invariant Theory, four-hour lecture on Summer School on Algebraic Geometry, Sol Beach, June.
  • New family of nef divisors on $\bar{M}_{0,n}$, seminar talk, KIAS, June.
  • GIT compactifications of $M_{0,n}$, seminar talk, KIAS, June.
  • GIT compactifications of $M_{0,n}$, seminar talk, Seoul National University, June.

~ 2011

  • Mori’s program for moduli spaces of pointed curves and psi-classes, seminar talk, University of Georgia, September 2011.
  • Moduli spaces and their birational geometry, Algebra camp, Seoul National University, August 2011.
  • Mori’s program for moduli spaces of pointed curves and psi-classes, Workshop on Moduli and Birational Geometry, Gyeongju, July 2011.
  • Mori’s program for $\bar{M}_{0,n}$, seminar talk, Brown University, May 2011.
  • Moduli spaces and its birational geometry, seminar talk, Chungnam University, April 2011.
  • Mori’s program for the moduli space of pointed stable rational curves, Global KMS International Conference, Postech, October 2010.
  • Introduction to moduli spaces, Workshop for Young Mathematicians in Korea, KAIST, July 2010.
  • Elementary construction of the moduli spaces of rational curves via GIT, Mini workshop on curves, Seoul National University, March 2010.
  • On GIT constructions of Kontsevich moduli spaces of stable maps, Joint Meeting of the KMS and AMS, Ewha Women’s University, December 2009.
  • Cohomology of moduli spaces of stable maps to projective space, Algebra camp, Seoul National University, January 2008.

Visiting positions

  • Università di Genova, July – August, 2024.
  • Stanford University, Fall 2021 – Spring 2022.

Event organization

  • A Showcase of Algebraic Geometry at Undergraduate Institutions, AMS Fall Central Sectional Meeting, September 14-15, 2024.
  • Workshop on Geometry of Moduli Spaces, Gangneung, August 25-28, 2022.

Academic travel