The maximum principle induces an order structure for partial differential equations, and has become an important tool in nonlinear analysis. This book is the fi

The maximum principle induces an order structure for partial differential equations, and has become an important tool in nonlinear analysis. This book is the fi

This book provides a comprehensive introduction to the mathematical theory of nonlinear problems described by elliptic partial differential equations. These equ

This book provides a comprehensive overview of the authors' pioneering contributions to nonlinear set-valued analysis by topological methods. The coverage inclu