EntityQ2664496· pop 12· linked from 24 articlesSmale's problemsSign in to savecollection of 18 then-unsolved mathematical problems proposed by S. Smale in 1998Connectionstime complexityEntity3-sphereEntityclosed manifoldEntityInternational Standard Book NumberEntityalgorithmEntitycomplex numberEntityintegerEntityfunctionEntityreal numberEntityintelligenceEntitysphereEntitydigital object identifierEntitymatrixEntitypolynomialEntityGrigori PerelmanEntityQ180686EntityJSTOREntitycelestial mechanicsEntitybibcodeEntityVladimir ArnoldEntityCategoriesUnsolved problems in mathematics