A disjointly tight irresolvable space

Angelo Bella, Michael Hrusak


In this short note we prove the existence (in ZFC) of a completely regular countable disjointly tight irresolvable space by showing that every sub-maximal countable dense subset of 2c is disjointly tight.


irresolvable; disjointly tight; empty interior tightness

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Universitat Politècnica de València

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