These notes are the contents of a one semester graduate course which taught at Brown University during the academic year 1981-1982. They are mainly concerned wi

Unabridged republication is a resource for topics in elliptic equations and systems and free boundary problems.

Variational-Hemivariational Inequalities with Applications, Second Edition represents the outcome of the cross-fertilization of nonlinear functional analysis an

The main aim of this paper is to present some new and general results, ap plicable to the the equations of two phase flow, as formulated in geothermal reservoir