Subgradient projection methods extended to monotone bilevel equilibrium problems in Hilbert spaces. - Pham Ngoc Anh; Ho Phi Tu (Numer. Algorithms, 2021)

DC auxiliary principle methods for solving lexicographic equilibrium problems. - Pham Ngoc Anh; Qamrul Hasan Ansari; Ho Phi Tu (J. Glob. Optim., 2023)

New viscosity-projection methods for solving variational inquality problems with applications to image restoration problems. - C. T. T. Trang; Ho Phi Tu; Pham Ngoc Anh (Commun. Nonlinear Sci. Numer. Simul., 2026)