Affiliation: | 1. Instituto de Matemática e Estatística, Universidade de São Paulo, Brazil;2. Sobolev Institute of Mathematics, Novosibirsk, Russia;3. School of Mathematical Sciences, South China Normal University, Guangzhou 510631, PR China;1. Department of Applied Mathematics, Ulyanovsk State University, Ulyanovsk 432970, Russia;2. Dipartimento di Ingegneria, Università di Palermo, Viale delle Scienze, Ed. 8, 90128 Palermo, Italy;1. Department of Mathematics, William & Mary, Williamsburg, VA 23187, USA;2. Department of Mathematics, Computer and Information Science, SUNY College at Old Westbury, Old Westbury, NY 11568, USA;1. ICEx, UFMG, Avenida Antonio Carlos 6627, 31123-970, Belo Horizonte, Brazil;2. IMECC, UNICAMP, Sérgio Buarque de Holanda 651, 13083-859 Campinas, SP, Brazil |