| Affiliation: | 1. Department of Mathematics, Binzhou University, Shandong 256600, PR China;2. School of Mathematical Sciences, Fudan University, Shanghai 200433, PR China;1. Meiji Institute for Adv. Stud. Math. Sci., Meiji University, 4-21-1 Nakano, Nakano-ku, Tokyo 164-8525, Japan;2. Department of Mathematics, Kyoto University, Kyoto 606-8502, Japan;1. Department of Mathematics, National Central University, Jhongli 32001, Taiwan;2. Department of Computer Science, University of Colorado, Boulder, CO 80309, USA;1. Dipartimento di Matematica, Università di Bari, via E. Orabona 4, 70125 Bari, Italy;2. Dipartimento di Scienze e Metodi dell''Ingegneria, Università di Modena e Reggio Emilia, via G. Amendola 2, 42122 Reggio Emilia, Italy;1. Dpto. Matemática Aplicada and IUMA, Universidad de Zaragoza, Pedro Cerbuna, 12, Zaragoza E-50009, Spain;2. Centro Universitario de la Defensa, Academia General Militar, Ctra. Huesca s/n, Zaragoza E-50090, Spain |
