Minimalizations of NFA using the universal automaton

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Authors

POLÁK Libor

Year of publication 2005
Type Article in Periodical
Magazine / Source Int. Journal of Found. of Computer Science
MU Faculty or unit

Faculty of Science

Citation
Field General mathematics
Keywords minimalization of NFA; universal automaton
Description As is well known, each minimal NFA for a regular language L is isomorphic to a subautomaton of the so-called universal automaton U for L. We explore and compare various conditions on sets of states of U which are related to the fact that induced subautomata of U accept the whole language L. The methods of several previous works on minimalizations of NFA can be modified so that they fit in our approach. We also propose a new algorithm which is easy to implement.
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