The subject of this book is time, one of the small number of elusive essences of the world, unsubdued by human will. The three global problems of natural scienc

There are very few concepts that fascinate equally a theoretical physicist studying black holes and a patient undergoing seriolls mental psychosis. Time, undoub

This book contains the papers presented at the conference on "Mathematical Models and Methods for Smart Materials, " held in Italy in 2001. The papers are divid

In the past two decades, there has been great progress in the theory of nonlinear partial differential equations. This book describes the progress, focusing on

Although the application of differential equations to economics is a vast and vibrant area, the subject has not been systematically studied; it is often treated