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Journal ArticleDOI

Isomorphism Groups of Automata

A. C. Fleck
- 01 Oct 1962 - 
- Vol. 9, Iss: 4, pp 469-476
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TLDR
For a certain class of automata a necessary and sufficient condition, in terms of the group of the automaton, is given for insuring that an automaton can be represented as a direct product.
Abstract
This paper persues a discussion of certain algebraic properties of automata and their relationship to the structure (i.e., properties of the next state function) of automata. The device which is used for this study is the association of a group with each automaton. We introduce functions on automata and study the group of an automaton, a representation for the group elements and the direct product of automata. Finally, for a certain class of automata a necessary and sufficient condition, in terms of the group of the automaton, is given for insuring that an automaton can be represented as a direct product.

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Citations
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Journal ArticleDOI

Representations of commutative asynchronous automata

TL;DR: It is shown that the endomorphism monoid E([email protected]?B) of automaton [email-protected?]B is a Clifford monoid, which generalizes and extends the representations of strongly connected automata given by Ito (1976).
Journal ArticleDOI

A note on structural inference in systems theory

TL;DR: The problem of discovering those properties of systems that remain invariant under a given type of connection is considered and a solution of this problem is proposed for the parallel and serial connections of automata, due to an application of some appropriately formulated rules of the structural inference.
Journal ArticleDOI

On input semigroups of automata

TL;DR: This work stems from Weeg's [10], who considered a similar problem in the discrete case, and a conjecture of Weeg [10, p. 264] is resolved in the negative.
Proceedings ArticleDOI

On the automorphism group of a reduced automaton

Manfred Paul
TL;DR: The present purpose is to fill the gap to give an isomorphic representation of G(A/H) for arbitrary A and H of the reduced automaton A/H.
References
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Book

The theory of groups

Marshall Hall
TL;DR: The theory of normal subgroups and homomorphisms was introduced in this article, along with the theory of $p$-groups regular $p-groups and their relation to abelian groups.
Journal ArticleDOI

Finite automata and their decision problems

TL;DR: Finite automata are considered as instruments for classifying finite tapes as well as generalizations of the notion of an automaton are introduced and their relation to the classical automata is determined.
Journal ArticleDOI

The Structure of an Automaton and Its Operation-Preserving Transformation Group

TL;DR: The main result shows the group of operation-preserving transformations of a strongly connected au tomaton onto itself is isomorphic to a group of subsets of input sequences under a certain operation.
Journal ArticleDOI

Some remarks on abstract machines

TL;DR: The Moore-Mealy machine as discussed by the authors is defined as a nonempty set K (of states), D (of inputs), F (of outputs), and two functions a (the next state) function and X (the output) function.