🌐EnglishEnglishDeutschFrançaisРусскийفارسی中文日本語EntityQ7200967· pop 8· linked from 21 articlesplanarity testingAlso known as planarity problemalgorithmic problem of testing whether a given graph is a planar graphAvailable in 8 languagesFrançaisРусскийCatalanHungarianSerbianUkrainianفارسیvia Wikidata sitelinks · CC0Connectionscomputer scienceEntityInternational Standard Book NumberEntityCategoriesComputational problems in graph theoryPlanar graphs