Characterizations of absolute $F_{\sigma \delta }$-sets

Heikki J. K. Junnila; Hans-Peter A. Künzi

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Quasi-metrizable spaces with a bicomplete structure.

Salvador Romaguera, Sergio Salbany (1992)

Extracta Mathematicae

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On $σ$ -discrete Borel mappings via quasi-metrics

Hans-Peter A. Künzi, Eliza Wajch (1998)

Czechoslovak Mathematical Journal

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On half-completion and bicompletion of quasi-metric spaces

Elena Alemany, Salvador Romaguera (1996)

Commentationes Mathematicae Universitatis Carolinae

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We characterize the quasi-metric spaces which have a quasi-metric half-completion and deduce that each paracompact co-stable quasi-metric space having a quasi-metric half-completion is metrizable. We also characterize the quasi-metric spaces whose bicompletion is quasi-metric and it is shown that the bicompletion of each quasi-metric compatible with a quasi-metrizable space $X$ is quasi-metric if and only if $X$ is finite.

Dimension of quasi-metrizable spaces and bicompleteness degree.

Salvador Romaguera, Juan Tarrés (1993)

Extracta Mathematicae

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Displaying similar documents to “Characterizations of absolute F σ δ -sets”

Quasi-metrizable spaces with a bicomplete structure.

On σ -discrete Borel mappings via quasi-metrics

On half-completion and bicompletion of quasi-metric spaces

Dimension of quasi-metrizable spaces and bicompleteness degree.

Displaying similar documents to “Characterizations of absolute $F_{σ δ}$ -sets”

On $σ$ -discrete Borel mappings via quasi-metrics