Modified Projection-Type Methods for Monotone Variational Inequalities
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We propose new methods for solving the variational inequality problem where the underlying function F is monotone. These methods may be viewed as projection-type methods in which the projection direction is modified by a strongly monotone mapping of the form I-?F or, if F is affine with underlying matrix M, of the form I+?M^T, with ? ? (0,?). We show that these methods are globally convergent and, if in addition a certain error bound based on the natural residual holds locally, the convergence in linear. Computational experience with the new methods is also reported.
projection type methods
monotone variational inequalities