Institution: | 1. Department of Mathematics, Purdue University, West Lafayette, IN, 47907-1395, USA 2. Department of Mathematics, University of Campinas, 13081-970, Campinas, SP, Brazil 3. Laboratório Nacional de Computa??o Científica/CNPq, Rua Lauro Müller, 455, 22290, Rio de Janeiro, RJ, Brazil
|