Vol. 108, No. 1, 1983

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Topological extensions of product spaces

Frank Kost

Vol. 108 (1983), No. 1, 129–132
Abstract

The Stone-Čech compactification βX and the Hewitt real-compactification vX [6] of a completely regular T1-space X can be obtained as certain spaces of ultrafilters from the collection of zero sets of members of C(X) [4]. With the appropriate structure βX is the space of all ultrafilters and vX those with the countable intersection property. In this framework we give a necessary and sufficient condition for βX × βY β(X × Y ).

Mathematical Subject Classification 2000
Primary: 54D35
Secondary: 54B10, 54C50
Milestones
Received: 8 February 1982
Published: 1 September 1983
Authors
Frank Kost