Activities

Seminar organization

Editorial job

  • Associate editor of the Notices of the American Mathematical Society

Talks

(boldface: series lectures)

2024

  • 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

Events

Services

  • Paper refereed for Bulletin of the Korean Mathematical Society, Journal of Algebra, Journal of Mathematical Society of Japan, Michigan Mathematical Journal, The American Mathematical Monthly, International Mathematics Research Notices, Journal of Symbolic Computation, Advances in Mathematics, Bulletin of the London Mathematical Society, European Journal of Mathematics, Manuscripta Mathematica, Notices of the American Mathematical Society, and Communications in Mathematical Physics.