A finite element method for elliptic optimal control problem on a non-convex polygon with corner singularities. - Hyung Jun Choi; Woocheol Choi; Youngwoo Koh (Comput. Math. Appl., 2018)

A numerical solution for the inhomogeneous Dirichlet boundary value problem on a non-convex polygon. - Hyung Jun Choi (Appl. Math. Comput., 2019)

For the splitting method of the nonlinear heat equation with initial datum in W^1, q. - Hyung Jun Choi; Woocheol Choi; Youngwoo Koh (CoRR, 2022)

Time splitting method for nonlinear Schrödinger equation with rough initial data in L2. - Hyung Jun Choi; Seonghak Kim; Youngwoo Koh (CoRR, 2023)

Non-ergodic linear convergence property of the delayed gradient descent under the strongly convexity and the Polyak-Łojasiewicz condition. - Hyung Jun Choi; Woocheol Choi; Jinmyoung Seok (CoRR, 2023)