🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPortuguêsРусский한국어中文日本語EntityQ5422299· pop 5· linked from 30 articlesextremal combinatoricsstudy of maximum or minimum size of a set under given conditionsAvailable in 5 languagesFrançais中文HebrewNederlandsvia Wikidata sitelinks · CC0ConnectionsmathematicsEntitynumberEntityCategoriesCombinatorial optimizationCombinatoricsExtremal combinatorics