Abstract
dc:descriptionTHIS THESIS REFERS TO METRIZABLE TOPOLOGICAL SPACES WITH COUNTABLE BASIS. IT ISPROVED THAT THERE IS NO UNIVERSAL ELEMENT IN THE FAMILY RCK(D) OF ALL SPACES WHICH HAVE A BASIS WHOSE ELEMENTS HAVE BOUNDARIES WITH EMPTY D-DERIVATIVE WHERE D ISOLATED ORDINAL AND ONE COMPACTIFICATION WITH EMPTY (D+K)-DERIVATIVE, WHERE K A NON-NEGATIVE INTEGER. IT IS ALSO PROVED THAT THERE IS NO UNIVERSAL ELEMENT IN THE FAMILY OF PL(RRIM-COM(D)) OF ALL SPACES WHICH HAVE A BASIS, WHOSE ELEMENTS HAVE COMPACT BOUNDARIES WITH EMPTY D-DERIVATIVE, WHERE D ANY ORDINAL NUMBER.
Degree
thesis:*- Grantor dc:publisher
- University of Patras
- Year dc:date
- 1990
Author and committee
dc:creator, dc:contributor.*- Author dc:creator
-
- Ζαφειρίδου-Μελιδώνη, Σοφία
Subjects
dc:subject × 14Rights
- Language dc:language
- gre
Identifiers
dc:identifier.*- Identifier
- 10.12681/eadd/1425
- OAI identifier oai:identifier
- oai:10442/1425