Articles with "sequences open" as a keyword



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Closed discrete selections for sequences of open sets in function spaces

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Published in 2018 at "Acta Mathematica Hungarica"

DOI: 10.1007/s10474-017-0756-9

Abstract: Given a sequence $${\mathcal{U} =\{U_n: n \in \omega\}}$$U={Un:n∈ω} of non-empty open subsets of a space X, a set $${\{x_n : n \in \omega\}}$${xn:n∈ω} is a selection of $${\mathcal{U}}$$U if $${x_n \in U_n}$$xn∈Un for every $${n… read more here.

Keywords: sequences open; discrete selections; space; closed discrete ... See more keywords