Overview: Second edition introduces an array of new topics and two entirely new chapters.Outlines technical issues in a step-by-step fashion.Provides a good basis on elliptic and parabolic PDEsThe aim of this book is to introduce the reader to different topics of the theory of elliptic partial differential equations by avoiding technicalities and complicated refinements. Apart from the basic theory of equations in divergence form, it includes subjects as singular perturbations, homogenization, computations, asymptotic behavior of problems in cylinders, elliptic systems, nonlinear problems, reg
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