Home›Browse›끝🌐한국어EnglishDeutschEspañolFrançaisРусский한국어日本語EntityQ5375784· pop 7· linked from 28 articles끝Sign in to savein topology, the connected components of the “ideal boundary” of a spaceAvailable in 7 languagesEspañolFrançaisDeutsch日本語Русский한국어via Wikidata sitelinks · CC0