Quantum Key Distribution using Extended Mean King's Problem. - Ayumu Nakayama; Masakazu Yoshida; Jun Cheng 001 (ISITA, 2018)

A Four-Qubits Code that is a Quantum Deletion Error-Correcting Code with the Optimal Length. - Manabu Hagiwara; Ayumu Nakayama (ISIT, 2020)

Single Quantum Deletion Error-Correcting Codes. - Ayumu Nakayama; Manabu Hagiwara (ISITA, 2020)

Distinguishability and Disturbance in the Quantum Key Distribution Protocol Using the Mean Multi-Kings' Problem. - Masakazu Yoshida; Ayumu Nakayama; Jun Cheng 001 (Entropy, 2020)