A mis padres, que me enseñaron todo lo importante, a mi abuela, por su sonrisa que no aparece en fotografías, a Marisa, por lograr que siempre me supere, y a “Sally”, que nacerá pronto.
Purchased from American Mathematical Society for the exclusive use of nofirst nolast (email unknown) Copyright 2011 American Mathematical Society. Duplication prohibited. Please report unauthorized use to cust-serv@ams.org. Thank You! Your purchase supports the AMS' mission, programs, and services for the mathematical community.