This book collects research papers presented in the First Franco Romanian Conference on Optimization, Optimal Control and Partial Differential Equations held at

Presents the latest groundbreaking theoretical foundation to shape optimization in a form accessible to mathematicians, scientists and engineers.

Equadiff-91 stems from the series of conferences initiated by the late Professor Vogel. The first conference Equadiff-70 which was held in Marseille. Since then

The tools to use for problems where the modeling, optimization, or control variable is the structure of a geometric object.

For more than 250 years partial di?erential equations have been clearly the most important tool available to mankind in order to understand a large variety of p