Nonlinear functional analysis is an important branch of contemporary mathematics. It's related to topology, ordinary differential equations, partial differentia

This book focuses on nonlinear boundary value problems and the aspects of nonlinear analysis which are necessary to their study. The authors first give a compre

A rigorous and unified treatment of economic networks, from foundational theory to recent applications.

The book is intended to be an introduction to critical point theory and its applications to differential equations. Although the related material can be found i