Geodesic
Some examples of true $F_{σδ}$ sets
Colloquium Mathematicum, Tome 86 (2000) no. 2, pp. 203-207.

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Let K(X) be the hyperspace of a compact metric space endowed with the Hausdorff metric. We give a general theorem showing that certain subsets of K(X) are true $F_{σδ}$ sets.
DOI : 10.4064/cm-86-2-203-207
Keywords: Borel set, hyperspace

Marek Balcerzak 1 ; Udayan Darji 1

1 
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Marek Balcerzak; Udayan Darji. Some examples of true $F_{σδ}$ sets. Colloquium Mathematicum, Tome 86 (2000) no. 2, pp. 203-207. doi : 10.4064/cm-86-2-203-207. http://geodesic.mathdoc.fr/articles/10.4064/cm-86-2-203-207/

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