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Aspects of slice stability in locale theory

  • Christopher F. Townsend EMAIL logo
Veröffentlicht/Copyright: 30. Mai 2012
Veröffentlichen auch Sie bei De Gruyter Brill
Georgian Mathematical Journal
Aus der Zeitschrift Band 19 Heft 2

Abstract.

It is shown that a particular categorical axiomatisation of the category of locales is slice stable. This localic slice stability can be used to recover the fundamental theorem of topos theory. A categorical account of the ideal completion of a preorder is developed and is used to give a new proof of Joyal and Tierney's result on the slice stability of locales.

Received: 2010-05-11
Published Online: 2012-05-30
Published in Print: 2012-June

© 2012 by Walter de Gruyter Berlin Boston

Heruntergeladen am 8.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/gmj-2012-0011/pdf
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