Nakagaki, Takashi
Fukuda, Mituhiro
Kim, Sunyoung
Yamashita, Makoto
Funding for this research was provided by:
Japan Society for the Promotion of Science (KAKENHI (Grant number: 26330024))
Research Institute for Mathematical Sciences
National Research Foundation of Korea (2017-R1A2B2005119)
Japan Society for the Promotion of Science (KAKENHI (Grant number: 18K11176))
Article History
Received: 2 December 2018
First Online: 18 January 2020