Displaying similar documents to “A ring to describe symbolic expressions.”

On filial rings

Andrusziewicz, R., Puczylowski, E.R. (1988)

Portugaliae mathematica

Similarity:

The use of linear programming in manpower planning.

Stefan Vajda (1985)

Trabajos de Estadística e Investigación Operativa

Similarity:

Concepts of linear programming are used in a discrete renewal model for the development of a graded population, when the transfer rates between the various grades are given and the 'wastage' is replaced by new entrants. The following questions are considered. Which structures can be attained from a given structure, after one or two steps? Which structures can be re-attained after one or two steps? Attention is paid to the possibility of alternative routes, and it is observed...