| Affiliation: | 1. Département de mathématiques et de statistique, Université de Montréal, CP 6128, succ. Centre-ville, Montreal, H3C 3J7, QC, Canada;2. Centre de recherches mathématiques, Université de Montréal, CP 6128, succ. Centre-ville, Montreal, H3C 3J7, QC, Canada;1. Institute of Mathematics, State Academy of Sciences, Pyongyang, Democratic People''s Republic of Korea;2. PGItech Corp., Pyongyang, Democratic People''s Republic of Korea;3. Department of Mathematics, University of Paris VIII, F-93526 Saint-Denis, France;4. University Sorbonne Paris Cité, LAGA, UMR 7539, CNRS, 93430 Villetaneuse, France;5. Telecom Paris, Polytechnic Institute of Paris, 91120 Palaiseau, France;1. Sabancı University, Istanbul, Turkey;2. University of Auckland, Auckland, New Zealand;1. School of Mathematics, Southwest Jiaotong University, Chengdu, 610031, China;2. State Key Laboratory of Cryptology, P. O. Box 5159, Beijing, 100878, China;3. School of Mathematical Sciences, Capital Normal University, Beijing, 100048, China |
