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.
@article{urn:eudml:doc:43832, title = {Comparison results for a class of variational inequalities.}, journal = {Revista Matem\'atica de la Universidad Complutense de Madrid}, volume = {6}, year = {1993}, pages = {295-310}, zbl = {0823.35010}, mrnumber = {MR1269759}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:43832} }
Posteraro, M. R.; Volpicelli, R. Comparison results for a class of variational inequalities.. Revista Matemática de la Universidad Complutense de Madrid, Tome 6 (1993) pp. 295-310. http://gdmltest.u-ga.fr/item/urn:eudml:doc:43832/