@article{oai:ynu.repo.nii.ac.jp:00009079,
 author = {Arai, Toshiyuki and Ho, Choon-Lin and Ide, Yusuke and Konno, Norio},
 journal = {Yokohama Mathematical Journal},
 month = {},
 pages = {39--50},
 title = {Periodicity for space-inhomogeneous quantum walks on the cycle},
 volume = {62},
 year = {2016}
}