Gyounghun Ko

• Employment

Postdoctoral researcher at AMSS, CAS (Academy of Mathematics and Systems Science, Chinese Academy of Sciences) (2025.10 - )

Postdoctoral researcher at CM2LA (Center for Mathematical Machine Learning and its Applications) (2024.03 - 2025.08)

• Curriculum Vitae

CV

• Publication and Preprints

1. G.Ko and S.Son, Global Stability of the Boltzmann equation for a polyatomic gas with initial data allowing large oscillations, Journal of Differential Equations, 2025   [arXiv] [Journal]

2. G.Ko, C.Kim, and D.Lee, Dynamical Billiard and a long-time behavior of the Boltzmann equation in general 3D toroidal domains, Tunisian Journal of Mathematics, 2025 [arXiv] [Journal]

3. G. Bae, G.Ko, D.Lee, and S.Yun, Large amplitude problem of BGK model: Relaxation to quadratic nonlinearity, 2023 [arXiv]

4. G.Ko and D.Lee, On C2 solution of the free-transport equation in a disk, Kinetic and Related Models, 2022 [arXiv] [Journal]

5. G.Ko, D.Lee, and K.Park, The large amplitude solution of the Boltzmann equation with soft potential, Journal of Differential Equations, 2021 [arXiv] [Journal]

6. R.Duan, G.Ko, and D.Lee, The Boltzmann equation with a class of large-amplitude initial data and specular reflection boundary condition, Journal of Statistical Physics, 2023 [arXiv] [Journal]

• Honors / Awards

-Excellent Dissertation Award (April 2024, Korean Mathematical Society)

-Excellent Ph.D. Thesis Award (February 2024, POSTECH) 

-Graduate Research Fellowship (September 2023, POSTECH)

-Postechian Fellowship (Innovation) (November 2022, May 2022, POSTECH)

-BK21 Four Excellent Graduate Students (Research) (November 2023, August 2022, POSTECH) 

-Excellent Teaching Assistant (March 2022, February 2020, October 2018, POSTECH)

• Teaching

Teaching assistant (POSTECH)

-Calculus I (Spring 2018,2020,2021,2022,2023)

-Calculus II (Fall 2018, 2019, 2021, 2023)

-Differential equation (Fall 2020)

-Analysis I (Spring 2019)

-Ordinary differential equation (Fall 2022)