How does Grover walk recognize the shape of crystal lattice? - Chul Ki Ko; Norio Konno; Etsuo Segawa; Hyun Jae Yoo (Quantum Inf. Process., 2018)

Mixture of Gaussians in the open quantum random walks. - Chul Ki Ko; Hyun Jae Yoo (Quantum Inf. Process., 2020)

Entropy production of quantum Markov semigroup associated with open quantum walks on the periodic graphs. - Chul Ki Ko; Hyun Jae Yoo (Quantum Inf. Process., 2023)

Ergodicity and limit distribution of open quantum walks on the periodic graphs. - Chul Ki Ko; Hyun Jae Yoo (Quantum Inf. Process., 2024)