Abstract. Let (R, m) be a two-dimensional regular local ring with infinite residue field. We prove an analogue of the Hoskin-Deligne length formula for a finitely generated, torsion-free, integrally closed R-module M . As a consequence, we get a formula for the Buchsbaum-Rim multiplicity of F/M , where F = M * * .
This paper investigates an inventory model for deteriorating items under cost minimization withWeibull deterioration rate. The model is solved with salvages value associated in the system. A numerical example is taken to discuss the sensitivity of the models using Mathcad software.
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