@phdthesis{oai:tohoku.repo.nii.ac.jp:00129982,
 author = {Yoshie, Yusuke},
 month = {2020-03-27, 2020-03-27, 2020-09-15, 2020-09-15},
 note = {博士学位論文 (Thesis(doctor))},
 school = {Tohoku University},
 title = {Graph structure characterized by periodic discrete-time quantum walks},
 year = {}
}