Strong pseudocompact properties
Commentationes Mathematicae Universitatis Carolinae, Tome 55 (2014) no. 1, pp. 101-109.

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For a free ultrafilter $p$ on $\mathbb{N}$, the concepts of strong pseudocompactness, strong $p$-pseudocompactness and pseudo-$\omega$-boundedness were introduced in [Angoa J., Ortiz-Castillo Y.F., Tamariz-Mascarúa A., Ultrafilters and properties related to compactness, Topology Proc. 43 (2014), 183--200] and [García-Ferreira S., Ortiz-Castillo Y.F., Strong pseudocompact properties of certain subspaces of $\mathbb N^*$, submitted]. These properties in a space $X$ characterize the pseudocompactness of the hyperspace $\mathcal{K}(X)$ of compact subsets of $X$ with the Vietoris topology. In this paper, we study the strong pseudocompactness and strong $p$-pseudocompactness of certain spaces. Besides, we established a relationship between these kind of properties and a result involving topological groups of I. Protasov [Discrete subsets of topological groups, Math. Notes 55 (1994), no. 1--2, 101--102].
Classification : 54A20, 54D30, 54D80, 54D99
Keywords: $p$-pseudocompactness; ultrapseudocompactness; strongly pseudocompactness; strongly $p$-pseudocompactness; weak $P$-points; $\mathfrak{c}-OK$ points; Rudin-Keisler pre-order
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García-Ferreira, S.; Ortiz-Castillo, Y. F. Strong pseudocompact properties. Commentationes Mathematicae Universitatis Carolinae, Tome 55 (2014) no. 1, pp. 101-109. http://geodesic.mathdoc.fr/item/CMUC_2014__55_1_a7/