{"version":"1.0","type":"link","title":"Overcategory - Newikis","description":"In mathematics, an overcategory (also called a slice category) is a construction from category theory used in multiple contexts, such as with covering spaces (espace étalé). They were introduced as a mechanism for keeping track of data surrounding a fixed object in some category . The dual notion…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}