EntityQ5375784· pop 7· linked from 28 articlesendSign in to savein topology, the connected components of the “ideal boundary” of a spaceConnectionslineEntitycompact spaceEntityconnected spaceEntityinverse limitEntitymathematicsEntityInternational Standard Book NumberEntityinfinityEntitytopologyEntitydigital object identifierEntityInternational Standard Serial NumberEntitygraph theoryEntityempty setEntityintervalEntitytopological spaceEntitybijectionEntitymanifoldEntitynumber lineEntitybinary treeEntityCantor setEntityQ22908627EntityCategoriesCompactification (mathematics)General topologyProperties of topological spaces