Chen, X. https://orcid.org/0000-0001-8053-0121
Toint, Ph. L. https://orcid.org/0000-0002-6166-1860
Funding for this research was provided by:
Hong Kong Research Grant Council (PolyU153000/17p)
Article History
Received: 27 February 2019
Accepted: 14 January 2020
First Online: 28 January 2020