Mathematics – General Topology
Scientific paper
2006-06-12
Proceedings of the American Mathematical Society 136 (2008), 1125-1135
Mathematics
General Topology
Scientific paper
10.1090/S0002-9939-07-09070-3
Answering a question of Sakai, we show that the minimal cardinality of a set
of reals X such that C_p(X) does not have the Pytkeev property is equal to the
pseudo-intersection number p. Our approach leads to a natural characterization
of the Pytkeev property of C_p(X) by means of a covering property of X, and to
a similar result for the Reznicenko property of C_p(X).
Simon Petr
Tsaban Boaz
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