Geodesic
Notes on strongly Whyburn spaces
Commentationes Mathematicae Universitatis Carolinae, Tome 57 (2016) no. 1, pp. 123-129.

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We introduce the notion of a strongly Whyburn space, and show that a space $X$ is strongly Whyburn if and only if $X\times(\omega+1)$ is Whyburn. We also show that if $X\times Y$ is Whyburn for any Whyburn space $Y$, then $X$ is discrete.
DOI : 10.14712/1213-7243.2015.139
Classification : 54A25, 54D55
Keywords: Whyburn; strongly Whyburn; Fréchet-Urysohn 
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Sakai, Masami. Notes on strongly Whyburn spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 57 (2016) no. 1, pp. 123-129. doi : 10.14712/1213-7243.2015.139. http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2015.139/

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