A method for embedding certain countable spaces into a pseudocompact Tychonoff space of countable tightness is given. In particular, this permits construction under [CH] of two pseudocompact Tychonoff spaces of countable tightness, one does not have countable fan tightness and the other contains a non-discrete extremally disconnected subspace.
Embeddings into pseudocompact spaces of countable tightness
BELLA, Angelo;
2004-01-01
Abstract
A method for embedding certain countable spaces into a pseudocompact Tychonoff space of countable tightness is given. In particular, this permits construction under [CH] of two pseudocompact Tychonoff spaces of countable tightness, one does not have countable fan tightness and the other contains a non-discrete extremally disconnected subspace.File in questo prodotto:
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