Continuous selections and sigma-spaces
classification
🧮 math.GN
math.LO
keywords
continuousselectionsassumecaseclopen-valuedconjectureconversederive
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Assume that X is a metrizable separable space, and each clopen-valued lower semicontinuous multivalued map Phi from X to Q has a continuous selection. Our main result is that in this case, X is a sigma-space. We also derive a partial converse implication, and present a reformulation of the Scheepers Conjecture in the language of continuous selections.
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