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Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, 2017, Volume 17, Issue 2, Pages 148–159
DOI: https://doi.org/10.18500/1816-9791-2017-17-2-148-159
(Mi isu712)
 

This article is cited in 2 scientific papers (total in 2 papers)

Scientific Part
Mathematics

On problem of abstract characterization of universal hypergraphic automata

V. A. Molchanova, E. V. Khvorostukhinab

a Saratov State University, 83, Astrakhanskaya str., Saratov, Russia, 410012
b Yuri Gagarin Saratov State Technical University, 77, Politechnicheskaya str., 410054, Saratov, Russia
Full-text PDF (317 kB) Citations (2)
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Abstract: Hypergraphic automata are automata whose state sets and sets of output symbols are endowed with algebraic structures of hypergraphs preserving by transition and exit functions. Universally attracting objects in the category of hypergraphic automata are automata $\mathrm{Atm}\,(H_1 ,H_2)$, where $H_1$ is a hypergraph of the state set, $H_2$ is a hypergraph of the set of output symbols and $S=\mathrm{End}\, H_1\times \mathrm{Hom}\,(H_1,H_2)$ is a semigroup of input symbols. Such automata are called universal hypergraphic automata. The semigroup of input symbols $S$ of such automaton $\mathrm{Atm}\,(H_1 ,H_2)$ is a derivative algebra of mappings for such automaton. So its properties are interconnected with properties of the algebraic structure of the automaton. Thus we can study universal hypergraphic automata by investigation of their semigroups of input symbols. In this paper we study the problem of abstract characterization of universal hypergraphic automata. The problem is to find the conditions of existence of isomorpism of arbitrary automaton to the universal hypergraphic automaton. The main result of the paper is solving of this problem for universal hypergraphic automata over effective hypergraphs with $p$-definable edges. It's a wide and a very important class of automata because such algebraic systems contain automata whose state hypergraphs and hypergraphs of output symbols are projective or affine planes. Also they include automata whose state hypergraphs and hypergraphs of output symbols are divided into equivalence classes. To solve the main problem we also proved that the algebraic structure of effective hypergraps with $p$-definable edges were determined by a relation of $(p + 1)$-boundedness of vertices of this hypergraph and for automata under consideration, algebraic structures of state hypergraphs and hypergraphs of output symbols are determined by canonical relations of the semigroup of input symbols of the automata.
Key words: automaton, hypergraph, abstract characterization.
Bibliographic databases:
Document Type: Article
UDC: 519.7
Language: Russian
Citation: V. A. Molchanov, E. V. Khvorostukhina, “On problem of abstract characterization of universal hypergraphic automata”, Izv. Saratov Univ. Math. Mech. Inform., 17:2 (2017), 148–159
Citation in format AMSBIB
\Bibitem{MolKhv17}
\by V.~A.~Molchanov, E.~V.~Khvorostukhina
\paper On problem of abstract characterization of universal hypergraphic automata
\jour Izv. Saratov Univ. Math. Mech. Inform.
\yr 2017
\vol 17
\issue 2
\pages 148--159
\mathnet{http://mi.mathnet.ru/isu712}
\crossref{https://doi.org/10.18500/1816-9791-2017-17-2-148-159}
\elib{https://elibrary.ru/item.asp?id=29924694}
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  • This publication is cited in the following 2 articles:
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    Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика
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