Affiliation: | 1. Institute of Information Technology, Vietnamese Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau giay, Hanoi, Vietnam;2. College of Education, Thai Nguyen University, Thai Nguyen City, Vietnam;1. Faculty of Mathematics, University of Vienna, Oskar-Morgenstern-Platz 1, 1090 Vienna, Austria;2. Radon Institute of Computational and Applied Mathematics, Altenberger Str. 69, 4040 Linz, Austria;3. Computational Science Center, University of Vienna, Oskar-Morgenstern-Platz 1, 1090 Vienna, Austria;1. School of Mathematical Sciences, University College Cork, Cork, Ireland;2. Institute for Applied Mathematics, Leibniz University Hanover, Welfengarten 1, 30167 Hanover, Germany |