| Affiliation: | 1. Department of Mathematics, Tulane University, New Orleans, LA 70118, USA;3. Department of Mathematics, University of Illinois, 1409 West Green Street, Urbana, IL 61801, USA;4. Simion Stoilow Institute of Mathematics of the Romanian Academy, P.O. Box 1-764, RO-014700 Bucharest, Romania;1. Department DICEAM, University of Reggio Calabria, Via Graziella (Feo Di Vito), Reggio Calabria, Italy;2. National Technical University, Department of Mathematics, Zografou Campus, Athens, 45780, Greece;1. Universidad Miguel Hernández de Elche, Centro de Investigación Operativa, 03202 Elche (Alicante), Spain;2. Taras Shevchenko National University of Kyiv, Kyiv, Ukraine;3. Institute for Applied System Analysis, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine;1. Department of Mathematics, King''s College London, Strand, WC2R 2LS, United Kingdom;2. Département de Physique, de Génie Physique et d''Optique, Université Laval, Québec, G1V 0A6, Canada;3. School of Mathematics and Statistics, University of Melbourne, Parkville 3010, Australia;4. Mathematical Sciences Institute, Australian National University, Canberra 2601, Australia;1. Department of Mathematics, Taiyuan University of Technology, Taiyuan, Shanxi 030024, PR China;2. Department of Mathematics, Harbin Institute of Technology, Harbin 150001, PR China |
