A Class of Nonlinear Elliptic Variational Inequalities: Qualitative Properties and Existence of Solutions




Korkut, Luka
Pasic, Mervan
Zubrinic, Darko

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Southwest Texas State University, Department of Mathematics


We study a class of nonlinear elliptic variational inequalities in divergence form. In the recent paper [6], we obtained results on the local control of essential infimum and supremum of solutions of quasilinear elliptic equations, and here we extend this point of view to the case of variational inequalities. It implies a new qualitative property of solutions in W1,p(Ω) which we call ``jumping over the control obstacle.'' Using the Schwarz symmetrization technique, we give an existence and symmetrization theorems in W1,p0(Ω) ∩ L∞(Ω) which agree completely with previous qualitative results. Also we consider generating singularities of weak solutions in W1,p(Ω) of variational inequalities.



Variational inequalities, Double obstacle, Qualitative properties, Schwarz symmetrization, Generating singularities


Korkut, L., Pasic, M., & Zubrinic, D. (2002). A class of nonlinear elliptic variational inequalities: qualitative properties and existence of solutions. <i>Electronic Journal of Differential Equations, 2002</i>(14), pp. 1-14.


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