Home›Browse›connected space🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ1491995· pop 33· linked from 598 articlesconnected spaceSign in to savetopological space that cannot be written as the disjoint union of two nonempty open subsetsAvailable in 32 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaCatalanChuvashCzechEsperantoFinnishGalicianHebrewHungarianShow 13 moreIcelandicNederlandsPolskiRomanianSerbianSlovenianSvenskaTiếng ViệtUkrainianzh_classicalzh_yueفارسی한국어via Wikidata sitelinks · CC0