Cannarsa, Piermarco http://orcid.org/0000-0003-2576-2004
Cheng, Wei
Funding for this research was provided by:
Istituto Nazionale di Alta Matematica “Francesco Severi”
Ministero dell’Istruzione, dell’Università e della Ricerca (E83C18000100006)
National Natural Science Foundation of China (11871267, 11631006)
National Natural Science Foundation of China
Article History
Received: 13 August 2020
Accepted: 6 February 2021
First Online: 22 February 2021
Compliance with ethical standards
:
: On behalf of all authors, Piermarco Cannarsa states that there is no conflict of interest.