2004/12/12 by Zhi-Ming Luo, Luo, Zhi-Ming
Decision Sciences · Mathematics · #18B25 #18B40 #Category Theory (math.CT) #FOS: Mathematics #Fuzzy and Soft Set Theory #math.CT #msc:18B25 #msc:18B40
paper · pdf · doi:10.48550/arxiv.math/0412230
16 pages
arxiv created 2004/12/12 · openalex publication_date 2004/12/12 · arxiv updated 2009/12/01 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28
Topos properties of the category of covering groupoids over a fixed groupoid are discussed. A classification result for connected covering groupoids over a fixed groupoid analogous to the fundamental theorem of Galois theory is given.