On quasi norm attaining operators between Banach spaces (with Y. S. Choi, M. Jung and M. Martin), Rev. R. Acad. Cienc. Exactas Fis. Nat. Ser. A Mat. (2022)
The Bishop-Phelps-Bollobas property on the space of c0-sum (with S. K. Kim), Mediterr. J. Math. (2022)
The Lipschitz bounded approximation property for operator ideals (with M. Jung), Banach J. Math. Anal. (2022)
The Birkhoff-James orthogonality and norm attainment for multilinear maps (with S. K. Kim), J. Math. Anal. Appl. (2021)
Emerging notions of norm attainment for Lipschitz maps between Banach spaces (with Y. S. Choi and M. Martin), J. Math. Anal. Appl. (2020)