Journal of Inequalities and Applications 
Volume 6 (2000), Issue 2, Pages 227-245
doi:10.1155/S1025583401000133

Nonlinear variational inequalities of semilinear parabolic type

Jin-Mun Jeong1 and Jong-Yeoul Park2

 1Division of Mathematical Sciences, Pukyong National University, Pusan 608-737, Korea
2Department of Mathematics, Pusan National University, Pusan 609-739, Korea
Received 10 August 1999; Revised 29 October 1999

Abstract

The existence of solutions for the nonlinear functional differential equation governed by the variational inequality is studied. The regularity and a variation of solutions of the equation are also given.