Geodesic
A note on $G_\delta$ ideals of compact sets
Commentationes Mathematicae Universitatis Carolinae, Tome 50 (2009) no. 4, pp. 569-573.

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Solecki has shown that a broad natural class of $G_{\delta}$ ideals of compact sets can be represented through the ideal of nowhere dense subsets of a closed subset of the hyperspace of compact sets. In this note we show that the closed subset in this representation can be taken to be closed upwards.
Classification : 03E15, 28A05, 54H05
Keywords: descriptive set theory; ideals of compact sets 
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Saran, Maya. A note on $G_\delta$ ideals of compact sets. Commentationes Mathematicae Universitatis Carolinae, Tome 50 (2009) no. 4, pp. 569-573. http://geodesic.mathdoc.fr/item/CMUC_2009__50_4_a6/