DECOMPOSITION-SPACE SLICES ARE TOPOSES

Research output: Contribution to journalJournal articleResearchpeer-review

We show that the category of decomposition spaces and CULF maps is locally a topos. Precisely, the slice category over any decomposition space D is a presheaf topos, namely Decomp(/D) similar or equal to Psh(tw D).

Original languageEnglish
JournalProceedings of the American Mathematical Society
Volume148
Issue number6
Pages (from-to)2317-2329
Number of pages13
ISSN0002-9939
DOIs
Publication statusPublished - Jun 2020
Externally publishedYes

ID: 331497616