The problems of constructing covering codes and of estimating their parameters are the main concern of this book. It provides a unified account of the most rece

A translation surface is obtained by taking plane polygons and gluing their edges by translations. We ask which subgroups of the Veech group of a primitive tran

The first part of this book provides an elementary and self-contained exposition of classical Galois theory and its applications to questions of solvability of

The LNCS journal Transactions on Computational Science reflects recent developments in the field of Computational Science, conceiving the field not as a mere an