Kawai, Kotaro https://orcid.org/0000-0002-2446-0963
Yamamoto, Hikaru https://orcid.org/0000-0002-7047-2914
Funding for this research was provided by:
Japan Society for the Promotion of Science (JP17K14181)
Japan Society for the Promotion of Science (JP18K13415)
Osaka City University Advanced Mathematical Institute
Article History
Received: 28 April 2021
Accepted: 27 May 2021
First Online: 7 June 2021