🌐EnglishEnglishDeutschEspañolFrançaisPolskiPortuguêsРусскийفارسی中文日本語EntityQ2664496· pop 12· linked from 24 articlesSmale's problemscollection of 18 then-unsolved mathematical problems proposed by S. Smale in 1998Available in 12 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsCatalanFinnishPolskiفارسیConnectionstime complexityEntity3-sphereEntityCategoriesUnsolved problems in mathematics