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Matematicheskie Zametki, 2025, Volume 117, Issue 2, Pages 196–203
DOI: https://doi.org/10.4213/mzm14345
(Mi mzm14345)
 

Determinability of topological spaces by the semigroup of continuous binary relations

E.M. Vechtomova, M. V. Volkovb

a Vyatka State University, Kirov
b Ural Federal University named after the First President of Russia B. N. Yeltsin, Ekaterinburg
References:
Abstract: We consider determinability of a topological space $X$ by a new derived algebraic object, the semigroup $CR(X)$ of all continuous binary relations on $X$ with the operation of composition of binary relations, and obtain results on the determinability of a $T_1$-space by the semigroup $CR(X)$ and of an arbitrary topological space $X$ by an algebraic system related to $CR(X)$. We prove that any finite topological space $X$ is absolutely determined by its semigroup $CR(X)$.
Keywords: topological space, $T_0$-space, semigroup of continuous binary relations, determinability, absolute determinability.
Funding agency Grant number
Russian Science Foundation 24-21-00117
Ministry of Science and Higher Education of the Russian Federation FEUZ-2023-0022
The work of the first author was financially supported by the Russian Science Foundation under project 24-21-00117, https://rscf.ru/en/project/24-21-00117/.
The work of the second author was performed under the framework of the State Assignment of the Ministry of Science and Higher Education of the Russian Federation (grant no. FEUZ-2023-0022).
Received: 18.04.2024
Revised: 05.07.2024
Published: 13.05.2025
English version:
Mathematical Notes, 2025, Volume 117, Issue 2, Pages 208–213
DOI: https://doi.org/10.1134/S0001434625010201
Bibliographic databases:
Document Type: Article
UDC: 512.556
MSC: 06F05, 54C50, 20M20
Language: Russian
Citation: E.M. Vechtomov, M. V. Volkov, “Determinability of topological spaces by the semigroup of continuous binary relations”, Mat. Zametki, 117:2 (2025), 196–203; Math. Notes, 117:2 (2025), 208–213
Citation in format AMSBIB
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\by E.M.~Vechtomov, M.~V.~Volkov
\paper Determinability of topological spaces by the semigroup of continuous binary relations
\jour Mat. Zametki
\yr 2025
\vol 117
\issue 2
\pages 196--203
\mathnet{http://mi.mathnet.ru/mzm14345}
\crossref{https://doi.org/10.4213/mzm14345}
\mathscinet{https://mathscinet.ams.org/mathscinet-getitem?mr=4908567}
\transl
\jour Math. Notes
\yr 2025
\vol 117
\issue 2
\pages 208--213
\crossref{https://doi.org/10.1134/S0001434625010201}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-105007240057}
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