L(sub 1) cheapest paths in "Fjord Scenery"

Article Abstract:

The problems of the existence of a path between down and upper sides of a rectangle map with "Fjord scenery" and the determination of the L(sub 1) cheapest path has been studied with the use of a version of the Dijkstra algorithm that has been adapted to a rectangle map. The proof of the existence in an iterative form has been given. The examples and computational results show the optimal paths and the corresponding path costs for a given cost function are similar. A few pre-processing modifications of the algorithm following from the combinational procedure were included.

Algorithms, Algorithm, Graph theory

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Identification of Pareto-efficient facets in data envelopment analysis

Article Abstract:

Identification of the Pareto-efficient facets of an empirical production possibility set, in Data Envelopment Analysis, is a necessary step to detect level of change outputs with changes in inputs along its piecewise linear facets. The rates of change, which varies on different facets, have significant economic and managerial consequence in trade-off analysis, forecasting and resource allocation. Exact and complete identification is necessary in certain procedures for identifying these rates of change.

Linear programming, Data envelopment analysis

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The dynamics of price, quality and productivity improvement decisions

Article Abstract:

A study examines optimal control formulation for decisions with respect to price, quality and productivity.

Hungary, Quality Control Management, Pricing Policy, Pricing, Quality control, Mathematical optimization, Optimization theory, Product price

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