Variational inequalities for monotone operators in nonreflexive Banach spaces. (English) Zbl 0840.47052

Summary: The purpose of this paper is to study the existence problem of solutions and perturbation problem for some kind of variational inequalities with monotone operators in nonreflexive Banach spaces, and to obtain some results.


47J20 Variational and other types of inequalities involving nonlinear operators (general)
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