Vol. 65, No. 2, 1976

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Characterizations of some C-embedded subspaces of βN

R. Grant Woods

Vol. 65 (1976), No. 2, 573–579
Abstract

Let K be a compact F-space such that |C(K)| = 2ω. Using the continuum hypothesis we characterize those subspaces of K that are C-embedded in K. We also characterize the class of extremally disconnected Tychonoff spaces of countable cellularity. As corollaries of these theorems, using various set-theoretic hypotheses we characterize the C-embedded, and the extremally disconnected C-embedded, subspaces of βN.

Mathematical Subject Classification 2000
Primary: 54D35
Secondary: 54C45
Milestones
Received: 7 January 1976
Revised: 12 April 1976
Published: 1 August 1976
Authors
R. Grant Woods