Applied Mathematics & Information Sciences

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Complementarity problems provide a unified and general framework for studying a wide class of unrelated problems. In this paper, we use the change of variables technique to establish the equivalence between the general complementarity problem and the fixed point problem. This equivalence is used to study the existence of a solution of general complementarity problems and suggest an iterative method. Our methods of analysis is very simple as compared with other techniques. These results can be viewed as significant refinements of the previously known results.

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