Notice of RetractionInventory management with unreliable suppliers

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

This paper explains how to order to minimize his cost and maximize his profit under the condition of the unreliable suppliers and uncertain demand existing simultaneously. As for the problem with two reliable suppliers whose uncertainty coefficient is distributed normally, what requirements should be satisfied to reach the revenue goal. The results of numerical calculation explain the relationship between the parameters and ordering quantity and profits. We also find the potential law behind it and the management significance.