Contains many of the papers in the area of algebraic geometry presented at the 1984 Solomon Lefschetz Centennial Conference held in Mexico City. This work also

This volume contains many of the papers in the area of differential equations presented at the 1984 Solomon Lefschetz Centennial Conference held in Mexico City.

This book will provide readers with an overview of some of the major developments in current research in algebraic topology. Representing some of the leading re