A new type of quantum walks based on decomposing quantum states. - Chusei Kiumi (Quantum Inf. Comput., 2021)

Eigenvalues of two-phase quantum walks with one defect in one dimension. - Chusei Kiumi; Kei Saito (Quantum Inf. Process., 2021)

Return Probability of Quantum and Correlated Random Walks. - Chusei Kiumi; Norio Konno; Shunya Tamura (Entropy, 2022)

Strongly trapped space-inhomogeneous quantum walks in one dimension. - Chusei Kiumi; Kei Saito (Quantum Inf. Process., 2022)

Transport distance between Grover walks on graphs and coarse Ricci curvature. - Yasuaki Fujitani; Chusei Kiumi (Quantum Inf. Process., 2024)