Seoul National University
- Homological methods, Spring 2023, Spring 2024
- Information society and mathematics, Fall 2022, Fall 2023
- Homological Algebra, Fall 2023
- Information society and mathematics, Fall 2022
- Linear Algebra 2, Fall 2022
- Linear Algebra, Fall 2021
- Homological Algebra, Fall 2021
- Homological Methods, Spring 2021
- Topics in Algebra: Applications of linear algebra to computer vision, Spring 2021
- Linear algebra, Spring, Fall 2020
- Topics in algebraic geometry: Multiple view geometry, Spring 2020
- Calculus II, Fall 2019
- Topics in algebra: Geometry and algebra of computational complexity, Fall 2019, Spring 2021
- Calculus I, Spring 2019
- Algebraic geometry, Spring 2019
- Homological algebra, Fall 2017, Spring 2021
- Algebraic number theory, Spring 2017
- Cryptography, Spring 2017
- Multivariate calculus, Fall 2016
- Introduction to algebraic geometry, Fall 2016
- Commutative algebra, Spring 2016
- Set theory and mathematical logic, Spring 2016
- Linear algebra, Fall 2015
- Algebra II, Fall 2015
- Algebra I, Spring 2015
Harvard University
- Topics course: Geometry and algebra of computational complexity, Fall 2018
POSTECH
- Introduction to algebraic curves, Fall 2014
- Lie groups and their representations, Spring 2014
- Introduction to geometry, Fall 2013
- Discrete mathematics, Fall 2013
- Algebraic geometry, Spring 2013
- Introduction to algebraic geometry, Fall 2012
- Introduction to algebraic topology, Spring 2012
- Étale cohomology, Fall 2011
- Calculus, Spring 2011, Spring 2014
- Applied linear algebra, Fall 2010
- Differentiable manifolds and Lie groups, Spring 2010
- Introduction to number theory, Fall 2009
Marshall University
- Elementary linear algebra, Spring 2009
- Calculus I, Spring 2009, Fall 2008
- Calculus I Honors Option, Fall 2008
Northern Illinois University
- Discrete mathematics, Spring 2008
- Calculus I, Fall 2004, Fall 2006, Fall 2007
- Abstract algebra I, Fall 2004, Fall 2005, Fall 2007
- Topology, Spring 2005, Spring 2007
- Linear algebra, Spring 2005, Fall 2005, Spring 2006, Fall 2006, Spring 2007
- Abstract algebra II, Abstract algebra II honors, Spring 2006
Rice University
- Algebraic geometry, Fall 2003
- Abstract algebra, Spring 2003
- Complex analysis, Spring 2002, Spring 2004
- Multivariable calculus, Spring 2003, Fall 2002, Spring 2002, Fall 2001
University of Illinois
- Calculus and analytic geometry I, Fall 2000
- Teaching Assistant to Calculus and analytic geometry I, II, Advanced Calculus, Elementary linear algebra with applications
- Research assistant: Helped establishing an interactive website WebAlgebra for teaching basic algebra, trigonometry, and calculus