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Journal of the Belarusian State University. Mathematics and Informatics, 2020, Volume 1, Pages 22–29
DOI: https://doi.org/10.33581/2520-6508-2020-1-22-29
(Mi bgumi46)
 

Geometry and Topology

On the continuity of functors of the type $C(X, Y)$

H. O. Kukrak, V. L. Timokhovich

Belarusian State University, 4 Niezaliežnasci Avenue, Minsk 220030, Belarus
References:
Abstract: We consider the category $\mathcal{P}$, the objects of which are pairs of topological spaces $(X, Y)$. Each such pair $(X, Y)$ is assigned the space of continuous maps $C_{\tau}(X, Y)$ with some topology $\tau$. By imposing some restrictions on objects and morphisms of category $\mathcal{P}$, we define a subcategory $\mathcal{K} \subset \mathcal{P}$, for which the above map is a functor from $\mathcal{K}$ to the category Top of topological spaces and continuous maps. The following question is investigated. What are the additional conditions on $\mathcal{K}$, under which the above functor is continuous? Along the way the problem of finding the limit of the inverse spectrum in the category $\mathcal{P}$ is solved. We show, that it reduces to finding the limits of the corresponding direct spectrum and inverse spectrum in the category Top. Point convergence topology, compact-open topology and graph topology are considered as the topology $\tau$.
Keywords: function space; functor $C(X, Y)$; continuous functor; inverse spectrum; direct spectrum.
Document Type: Article
UDC: 515.12
Language: Russian
Citation: H. O. Kukrak, V. L. Timokhovich, “On the continuity of functors of the type $C(X, Y)$”, Journal of the Belarusian State University. Mathematics and Informatics, 1 (2020), 22–29
Citation in format AMSBIB
\Bibitem{KukTim20}
\by H.~O.~Kukrak, V.~L.~Timokhovich
\paper On the continuity of functors of the type $C(X, Y)$
\jour Journal of the Belarusian State University. Mathematics and Informatics
\yr 2020
\vol 1
\pages 22--29
\mathnet{http://mi.mathnet.ru/bgumi46}
\crossref{https://doi.org/10.33581/2520-6508-2020-1-22-29}
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