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'''Luis (A.) Medina''' is a Professor at the Mathematics Department of University of Puerto Rico.<ref>[http://sidim.uprh.edu/sidim2011/es/libroV1.pdf sidim.uprh.edu]</ref> Currently, Luis has a three year postdoctoral position at Rutgers University.

'''Luis (A.) Medina''' is a Professor at the Mathematics Department of University of Puerto Rico.<ref>[http://sidim.uprh.edu/sidim2011/es/libroV1.pdf sidim.uprh.edu]</ref> Currently, Luis has a three year postdoctoral position at Rutgers University.

== Education ==

== Education ==

Mr. Medina received his B.A. in Computational Mathematics from the University of Puerto Rico in 2003. He also hold a Ph.D in Mathematics from the University of Tulane.<ref>[http://www.msri.org/attachments/reports/2007-08NSFAnnualReportWeb.pdf msri.org]</ref>  

Mr. Medina received his B.A. in Computational Mathematics from the University of Puerto Rico in 2003. He also holds a Ph.D in Mathematics from the University of Tulane.<ref>[http://www.msri.org/attachments/reports/2007-08NSFAnnualReportWeb.pdf msri.org]</ref>  

== Publications ==

== Publications ==

Exact Divisibility of Exponential Sums over the Binary Field via the Covering Method. Contemporary Mathematics, 537, 129-136.<ref>[http://ccom.uprrp.edu/research.php ccom.uprrp.edu]</ref>

"Exact Divisibility of Exponential Sums over the Binary Field via the Covering Method." ''Contemporary Mathematics'', 537, 129-136.<ref>[http://ccom.uprrp.edu/research.php ccom.uprrp.edu]</ref>

== References ==

== References ==