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)

Asymptotic profile of solutions to the heat equation on thin plate with boundary heating. - Eun-Ho Lee; Woocheol Choi (Appl. Math. Comput., 2021)

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)

On the convergence of decentralized gradient descent with diminishing stepsize, revisited. - Woocheol Choi; Jimyeong Kim (CoRR, 2022)

Convergence Results of a Nested Decentralized Gradient Method for Non-strongly Convex Problems. - Woocheol Choi; Doheon Kim; Seok-Bae Yun (J. Optim. Theory Appl., 2022)

Gradient-Push Algorithm for Distributed Optimization With Event-Triggered Communications. - Jimyeong Kim; Woocheol Choi (IEEE Access, 2023)

A tight bound on the stepsize of the decentralized gradient descent. - Woocheol Choi (CoRR, 2023)

On the convergence analysis of the decentralized projected gradient descent. - Woocheol Choi; Jimyeong Kim (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)

Convergence result for the gradient-push algorithm and its application to boost up the Push-DIging algorithm. - Hyogi Choi; Woocheol Choi; Gwangil Kim (CoRR, 2024)

On the linear convergence rate of Riemannian proximal gradient method. - Woocheol Choi; Changbum Chun; Yoon Mo Jung; Sangwoon Yun (Optim. Lett., 2025)

On the convergence result of the gradient-push algorithm on directed graphs with constant stepsize. - Woocheol Choi; Doheon Kim; Seok-Bae Yun (J. Glob. Optim., 2025)