Harold V. McIntosh
Departamento de Aplicación de Microcomputadoras,
Instituto de Ciencias, Universidad Autónoma de Puebla,
Apartado postal 461, 72000 Puebla, Puebla, México.
March 17, 2000
The Ninth Reasearch Summer was held in Mexico during July and August, 1999. The participants in my portion of this enterprise prepared individual reports of their summer's work, which can be consulted elsewhere. So here we survey some of the background ideas, topics discussed, and mention a few of the results obtained.