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A GENERALIZATION OF AUXILIARY PROBLEM PRINCIPLE WITH APPLICATIONS

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Journal of Applied Mathematics and Stochastic Analysis, :1 (2002), 89-90.15 SHORT REPORTS AND COMMUNICATIONS

Printed in the U.S.A. ©2002 by North Atlantic Science Publishing Company 89

A GENERALIZATION OF AUXILIARY PROBLEM PRINCIPLE WITH APPLICATIONS

TO VARIATIONAL INEQUALITIES

RAM U. VERMA

University of Toledo Department of Mathematics

Toledo, Ohio 43606 USA E-mail: [email protected]

We announce the approximation-solvability of the following class of nonlinear variational inequality (NVI) problems based on a new generalized auxiliary problem principle:

Find an element such that

for all

where is a mapping from a nonempty closed convex subset of a real Hilbert space into , and is a continuous convex functional on .

The generalized auxiliary problem principle is described as follows: for a given iterate and, for constants and , compute such that

, for all and for , where

for all where is twice Frechet-differential functional on .

Theorem: Let be a real Hilbert space and a - -partially relaxed mono- tone mapping from a nonempty closed convex subset of into . Let be twice continuous Frechet-differentiable on with the following assumptions

and

Then for any fixed solution of the NVI problem, the sequence ! is bounded and converges to for

" " # .

R

eferences

[1] Cohen, G., Auxiliary problem principle extended to variational inequalities, J. Optim.

Theo. Appl. :2 (1988), 325-333.59

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90 RAM U. VERMA

[2] Dunn, J.C., Convexity, monotonicity and gradient processes in Hilbert spaces, J. Math.

Anal. Appl. (1976), 145-158.53

[3] Verma, R.U., Nonlinear variational and constrained hemivariational inequalities in- volving relaxed operators, ZAMM :5 (1997), 387-391.77

[4] Verma, R.U., Approximation-solvability of nonlinear variational inequalities involving partially relaxed monotone (prm) mappings, Adv. Nonl. Variat. Ineq. :2 (1999), 137-2 148.

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