Santiago López de Medrano Santiago López de Medrano Santiago López de Medrano Sánchez (born October 15, 1942 in Mexico City) is a Mexican mathematician, who works as a researcher at the National Autonomous University of Mexico (UNAM). His research has concerned knot theory, singularity theory, biomathematics, and differential topology. López de Medrano did his undergraduate studies at UNAM, and earned his Ph.D. from Princeton University in 1969, under the supervision of William Browder. He returned to UNAM as a researcher and professor in 1968, and was president of the Mexican Mathematical Society from 1969 to 1973. López de Medrano presented his work on knot
Apertura 2016 Copa MX tournament. This tournament will feature clubs from Liga MX who will not participate in the 2016–17 CONCACAF Champions League (UANL, UNAM, Pachuca and Monterrey). Atlas will not participate in the tournament after being the worst non-relegated team in the 2015–16 Liga MX season Aggregate table. Necaxa will not participate in the tournament due to being recently promoted to Liga MX. The tournament will also feature the top 12 Ascenso MX teams of the Clausura 2016 classification table, excluding Correcaminos UAT who were replaced by Dorados de Sinaloa in the tournament. The draw for the tournament took place on June 7,