This paper considers a manpower system modelled within the Markov chain context under the condition that recruitment is doneto replace outgoing flows. The paper takes up the embeddability problem in a three-grade manpower system and examines it from the standpoint of generating function (i.e., the z-transform of stochastic matrices). The method constructs a stochastic matrix that is made up of a limiting-state probability matrix and a partial sum of transient matrices. Examples areprovided to illustrate the utility of the method.
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In our paper we apply term rewriting to decidability of equations in classes of partial algebras, as well as to embeddability of partial algebras into classes of total ones. We follow the approach to partial algebras introduced by H.-J. Kreowski in [13], in which (classes of) partial algebras are described by means of (classes of) total ones.
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