Codes and character sums.- Codes from some Artin-Schreier curves.- Families of codes exceeding the Varshamov-Gilbert bound.- Polynomial factorization using Brill-Noether algorithm.- New bounds on cyclic codes from algebraic curves.-...

This book presents a selection of the papers presented at EUROCODE '90, the symposium on coding theory held in Udine, Italy, November 1990. It gives the state of the art on coding in Europe and ranges from theoretical top- ics like...