An optimal discrimination of two mixed qubit states with a fixed rate of inconclusive results. - Donghoon Ha; Younghun Kwon (Quantum Inf. Process., 2017)

A minimal set of measurements for qudit-state tomography based on unambiguous discrimination. - Donghoon Ha; Younghun Kwon (Quantum Inf. Process., 2018)

Uniqueness of Minimax Strategy in View of Minimum Error Discrimination of Two Quantum States. - Jihwan Kim; Donghoon Ha; Younghun Kwon (Entropy, 2019)

Quantum Contextual Advantage Depending on Nonzero Prior Probabilities in State Discrimination of Mixed Qubit States. - Jaehee Shin; Donghoon Ha; Younghun Kwon (Entropy, 2021)

Qubit state discrimination using post-measurement information. - Donghoon Ha; Jeong San Kim; Younghun Kwon (Quantum Inf. Process., 2022)

Complete analysis to minimum-error discrimination of four mixed qubit states with arbitrary prior probabilities. - Donghoon Ha; Younghun Kwon (Quantum Inf. Process., 2023)

Multi-player quantum data hiding by nonlocal quantum state ensembles. - Donghoon Ha; Jeong San Kim (Quantum Inf. Process., 2025)