EntityQ546145· pop 16· linked from 84 articlescompactificationSign in to saveembedding a topological space into a compact space as a dense subsetConnectionsAlexandroff extensionEntitymathematicsEntityPiConceptInternational Standard Book NumberEntityangleEntitydigital object identifierEntityradianEntityintervalEntitycontinuous functionEntityJSTOREntitytangentEntityEuclidean spaceEntityalgebraic geometryEntityunit circleEntitytopological spaceEntitynumber lineEntityhomeomorphismEntityalgebraic topologyEntityhyperboloidEntityopen setEntityCategoriesCompactification (mathematics)