| Email: | ansar@matcuer.unam.mx |
| Telephone: | +52 5622 7883 |
| Address: | Instituto de Matemáticas (Unidad Cuernavaca) |
| Universidad Nacional Autónoma de México | |
| Ave. Universidad s/n | |
| C. P. 62200 Chamilpa, Morelos | |
| MÉXICO |
Preprints and papers
Curriculum Vitae
| Germinal Cocho Gil | Katja Lindenberg |
| Ramon Reigada Sanz | José María Sancho | José Rafael Castrejón Pita | Alfonso Arturo Castrejón Pita |
| Arnold's Seminar (Moscow) | Coloquio del IMATE (Cuernavaca) |
| XXX at Los Alamos (also: mirror at ITEP) | K-theory preprint archives |
| Hopf topology archive | Bar-Natan's bibliography of Vassiliev invariants |
| BBC News | Izvestia |
| CNN World news | Nezavisimaia Gazeta |
| The Onion: America's finest news source |