This monograph presents in a unified manner the use of the Morse index, and especially its connections to the maximum principle, in the study of nonlinear ellip

This book deals with a systematic study of a dynamical system approach to investigate the symmetrization and stabilization properties of nonnegative solutions o

The series is devoted to the publication of high-level monographs which cover the whole spectrum of current nonlinear analysis and applications in various field

The series is devoted to the publication of high-level monographs which cover the whole spectrum of current nonlinear analysis and applications in various field

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