Unabridged republication is a resource for topics in elliptic equations and systems and free boundary problems.

The essential aim of this book is to consider a wide set of problems arising in the mathematical modeling of mechanical systems under unilateral constraints. In

Equilibrium is a concept used in operations research and economics to understand the interplay of factors and problems arising from competitive systems in the e

This book presents the mathematical theory of vector variational inequalities and their relations with vector optimization problems. It is the first-ever book t

This volume brings forth a set of papers presented at the conference on "Varia tional Inequalities and network equilibrium problems", held in Erice at the "G. S