Comparison results for a class of variational inequalities.
M. R. Posteraro, R. Volpicelli (1993)
Revista Matemática de la Universidad Complutense de Madrid
Similarity:
In this paper we study a variational inequality related to a linear differential operator of elliptic type. We give a pointwise bound for the rearrangement of the solution u, and an estimate for the L2-norm of the gradient of u.