{"version":"1.0","type":"link","title":"Compact space - Newikis","description":"In mathematics, especially general topology and mathematical analysis, compactness is a property of a space that makes it behave in many ways like a finite set. For instance, on a finite set every infinite sequence must take some value infinitely often, by the pigeonhole principle. For subsets of…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/7/7c/Compact.svg/1280px-Compact.svg.png","thumbnail_width":1280,"thumbnail_height":595}