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About: Dunce hat (topology)     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Space100028651, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatTopologicalSpacesyago:Abstraction100002137yago:Attribute100024264yago:MathematicalSpace108001685yago:Set107999699yago:Space100028651 New Facet based on Instances of this Class

In topology, the dunce hat is a compact topological space formed by taking a solid triangle and gluing all three sides together, with the orientation of one side reversed. Simply gluing two sides oriented in the opposite direction would yield a cone much like the dunce cap, but the gluing of the third side results in identifying the base of the cap with a line joining the base to the point.