| Institution: | 1. Departament de Matemàtiques i Informàtica, Universitat de les Illes Balears, 07122, Palma de Mallorca, Spain;2. Departamento de Matemáticas, Universidad de Extremadura, 06071 Badajoz, Spain;1. Department of Mathematics, Shanghai Normal University, Shanghai, 200234, China;2. Department of Mathematics, Shanghai Jiao Tong University, Shanghai 200240, China;1. School of Mathematics and Statistics, Xidian University, Xi''an, Shaanxi 710071, PR China;2. Department of Mathematics, University of Miami, Coral Gables, FL 33124-4250, USA;1. Department for Theory of Nonlinear Processes in Condensed Matter, Bogolyubov Institute for Theoretical Physics, The National Academy of Sciences of Ukraine, 14-B Metrologichna Street, Kyïv 03143, Ukraine;2. Faculty of Computer Science and Cybernetics, Taras Shevchenko National University of Kyïv, 4-D Akademika Hlushkova Avenue, Kyïv 03680, Ukraine |
