Luís Manuel da Silva Cotrim holds a degree in Mathematics from the University of Évora, Portugal, a Master’s Degree in Applied Mathematics from the Technical University of Lisbon, Portugal, and a Ph.D. in Pure Mathematics from the University of Coimbra, Portugal. Currently he is Professor of Mathematics at the Polytechnic Institute of Leiria, Portugal. He was coordinator of the Department of Mathematics of the School of Technology and Management of the Polytechnic Institute of Leiria.