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
Cruz Azul the club UNAM. National Rivalries: The team currently plays in the Estadio Azteca in Mexico City. Cruz Azul's training facilities are named "La Noria", which are located in Xochimilco. The team returned to the Estadio Azteca in the Apertura 2018 season. Symbols: LIG: Ligue CUP: Cup SPC: Campeón de Campeones CON: CONCACAF Champions League LIB: Copa Libertadores FWC: FIFA World Club Cup INA: Copa Interamericana RCF: CONCACAF Cup Winners Cup Cruz Azul Cruz Azul Fútbol Club, A.C, or simply Cruz Azul () is a Mexican football club that plays in the top division of Mexican football, Liga MX. Originally from