Publication at Faculty of Mathematics and Physics |
2000
Abstract
We shall construct in ZFC Two Fréchet-Urysohn alpha4-spaces, the product of which is alpha4, but fails to be Fréchet-Urysohn This answers Nogura's question from 1985.
We shall construct in ZFC Two Fréchet-Urysohn alpha4-spaces, the product of which is alpha4, but fails to be Fréchet-Urysohn This answers Nogura's question from 1985.