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Algebra and Discrete Mathematics, 2017, Volume 23, Issue 2, Pages 279–284 (Mi adm610)  

RESEARCH ARTICLE

On recurrence in $G$-spaces

Igor Protasov, Ksenia Protasova

Department of Cybernetics, Kyiv National University, Volodymirska 64, Kyiv 01033, Ukraine
References:
Abstract: We introduce and analyze the following general concept of recurrence. Let $G$ be a group and let $X$ be a G-space with the action $G\times X\longrightarrow X$, $(g,x)\longmapsto gx$. For a family $\mathfrak{F}$ of subset of $X$ and $A\in \mathfrak{F}$, we denote $\Delta_{\mathfrak{F}}(A)=\{g\in G\colon gB\subseteq A$ for some $B\in \mathfrak{F}$, $B\subseteq A\}$, and say that a subset $R$ of $G$ is $\mathfrak{F}$-recurrent if $R\bigcap \Delta_{\mathfrak{F}} (A)\neq\emptyset$ for each $A\in \mathfrak{F}$.
Keywords: $G$-space, recurrent subset, ultrafilters, Stone-Čech compactification.
Received: 04.02.2017
Bibliographic databases:
Document Type: Article
MSC: 37A05, 22A15, 03E05
Language: English
Citation: Igor Protasov, Ksenia Protasova, “On recurrence in $G$-spaces”, Algebra Discrete Math., 23:2 (2017), 279–284
Citation in format AMSBIB
\Bibitem{ProPro17}
\by Igor~Protasov, Ksenia~Protasova
\paper On recurrence in $G$-spaces
\jour Algebra Discrete Math.
\yr 2017
\vol 23
\issue 2
\pages 279--284
\mathnet{http://mi.mathnet.ru/adm610}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000406416100010}
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