Boundary value problems which have variational expressions in form of inequal- ities can be divided into two main classes. The class of boundary value prob- lems (BVPs) leading to variational inequalities and the class of BVPs leading to hemivariational inequalities. The first class is related to convex energy functions and has being studied over the last forty years and the second class is related to nonconvex energy functions and has a shorter research...
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Calculus General Mathematics Mechanics Medical Medical Books Medicine Physics Science & Math