EntityQ1491995· pop 33· linked from 598 articlesconnected spaceSign in to savetopological space that cannot be written as the disjoint union of two nonempty open subsetsConnectionsopen setEntitysubspace topologyEntitycontinuous functionEntitydisjoint setsEntityclosed setEntitysimply connected spaceEntitydiscrete spaceEntityclopen setEntityquotient topological spaceEntityN-connectedEntitymathematicsEntityInternational Standard Book NumberEntityreal numberEntitytopologyEntityrational numberEntitydigital object identifierEntityempty setEntitysubsetEntityintervalEntitydiskEntityCategoriesGeneral topologyProperties of topological spaces