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
1999 UNAM strike rector and appointment of a new one. Along the way, bloody conflicts resulted in serious injuries and even fatalities on the unlawfully occupied campus. Eventual action by the recently created federal police finally ended the occupation during February 2000. The third article of the Constitution of Mexico states that all education imparted by the state is free. Whether this includes decentralized, autonomous institutions of higher education like the UNAM is a matter of (often heated) debate. Tuition at the UNAM is not free, and it had last been raised in 1948 to 200 pesos per academic year (tuition became 20