Full paper in PDF:
$%M. R. Posteraro and R. Volpicelli, Comparison results for a class of variational inequalities, Rev. Mat. Univ. Complut. Madrid 6 (1993), no. 2, 295310.%$

Comparison Results for a Class of Variational Inequalities
Dip. di Matematica ed Appl.
“Renato Cacciopoli”
Università di Nappoli
Complesso Monte S. Angelo
80126 Napoli Italy

Received: December 1, 1992

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  2
L  -norm of the gradient of u  .

1991 Mathematics Subject Classification: 35J85, 35B05.