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
Ricardo Ferretti Copa MX after defeating Alebrijes de Oaxaca 3-0 in the final. Tigres lost Morelia in the inaugural Supercopa MX after losing 5–4 on aggregate. Tigres made it to the final of the Apertura 2014 but lost to América 3-1 on aggregate . In July 2015, Ferretti guided Tigres to the 2015 Copa Libertadores final, becoming the third Mexican team to do so. Tigres lost to River Plate 3–0 on aggregate. Ferretti later led Tigres to their fourth league title, his second with the team, after defeating his former club UNAM on penalty kicks. Later he led Tigres to the 2015–16