Descriptive set theory of complete quasi-metric spaces.

de Brecht, M. (2012). Descriptive set theory of complete quasi-metric spaces. RIMS Kôkyûroku.

Type

Book chapter

Intellectual base

Review or monograph

Year

2012

Link

https://www.kurims.kyoto-u.ac.jp/~kyodo/kokyuroku/contents/pdf/1790-03.pdf

Cited by

1 citation across 1 artifact.

Domain-specific

• K-Topology
  • De Brecht uses it as a simple nonmetrizable quasi-Polish space: the usual real line is Polish, \(\mathbb R\setminus K\) is a suitable \(\Delta^0_2\) set, and adjoining it as open preserves quasi-Polishness while producing a Hausdorff but nonregular, hence non-Polish, topology.

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