Abstract

We investigate a model of self-assembling finite automata. An automaton is assembled on demand during its computation from copies out of a finite set of items. The items are pieces of a finite automaton which are connected to the already existing automaton by overlaying states. Depending on the allowed number of such interface states, the degree, infinite hierarchies of properly included language families are shown. The presented model is a natural and unified generalization of regular and context-free languages since degrees one and two are characterizing the finite and pushdown automata, respectively. Moreover, by means of different closure properties nondeterministic and deterministic language families are separated.

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