Geodesic
Productively Lindelöf Spaces May All Be D
Canadian mathematical bulletin, Tome 56 (2013) no. 1, pp. 203-212

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DOI

We give easy proofs that (a) the Continuum Hypothesis implies that if the product of $X$ with every Lindelöf space is Lindelöf, then $X$ is a $D$ -space, and (b) Borel's Conjecture implies every Rothberger space is Hurewicz.
DOI : 10.4153/CMB-2011-150-2
Mots-clés : 54D20, 54B10, 54D55, 54A20, 54A20, productively Lindelöf, D-space, projectively σ-compact, Menger, Hurewicz 
Tall, Franklin D. Productively Lindelöf Spaces May All Be D. Canadian mathematical bulletin, Tome 56 (2013) no. 1, pp. 203-212. doi: 10.4153/CMB-2011-150-2
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     title = {Productively {Lindel\"of} {Spaces} {May} {All} {Be} {D}},
     journal = {Canadian mathematical bulletin},
     pages = {203--212},
     year = {2013},
     volume = {56},
     number = {1},
     doi = {10.4153/CMB-2011-150-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-150-2/}
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