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Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta, 2019, Volume 54, Pages 74–101
DOI: https://doi.org/10.20537/2226-3594-2019-54-07
(Mi iimi384)
 

This article is cited in 7 scientific papers (total in 7 papers)

On the supercompactness of ultrafilter space with the topology of Wallman type

A. G. Chentsovab

a N. N. Krasovskii Institute of Mathematics and Mechanics, Ural Branch of the Russian Academy of Sciences, ul. S. Kovalevskoi, 16, Yekaterinburg, 620219, Russia
b Ural Federal University, ul. Mira, 19, Yekaterinburg, 620002, Russia
Full-text PDF (284 kB) Citations (7)
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Abstract: This paper is concerned with ultrafilters and maximal linked systems of widely understood measurable spaces (nonempty sets with $\pi$-systems of its subsets are meant). The sets of ultrafilters and maximal linked systems are transformed to bitopological spaces by applying constructions that (in idea) meet the Wallman and Stone schemes. The focus is on ultrafilter space with topology of Wallman type. Conditions on the initial $\pi$-system for which the given space is supercompact are specified. Concrete classes of (widely understood) measurable spaces are listed for which the above-mentioned conditions are realized. Special attention is also given to one abstract problem of attainability under conditions when the choice of a concrete solution may have the following uncertainty: the set defining constraints can be an arbitrary element of a given nonempty family. The question of the existence of universally realized (in limit) elements in the space of values of the goal operator in our problem is considered. To obtain sufficient solutions, the supercompactness property of the ultrafilter space for special measurable structure is used; this structure is sufficient (under corresponding suppositions) for realization of all variants of constraints on the choice of a usual solution (control).
Keywords: maximal linked system, topology, ultrafilter.
Funding agency Grant number
Russian Foundation for Basic Research 18-01-00410_а
The research was funded by the Russian Foundation for Basic Research, project number 18–01–00410.
Received: 20.04.2019
Bibliographic databases:
Document Type: Article
UDC: 519.6
MSC: 93C83
Language: Russian
Citation: A. G. Chentsov, “On the supercompactness of ultrafilter space with the topology of Wallman type”, Izv. IMI UdGU, 54 (2019), 74–101
Citation in format AMSBIB
\Bibitem{Che19}
\by A.~G.~Chentsov
\paper On the supercompactness of ultrafilter space with the topology of Wallman type
\jour Izv. IMI UdGU
\yr 2019
\vol 54
\pages 74--101
\mathnet{http://mi.mathnet.ru/iimi384}
\crossref{https://doi.org/10.20537/2226-3594-2019-54-07}
\elib{https://elibrary.ru/item.asp?id=41435143}
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  • This publication is cited in the following 7 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta
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