🌐EnglishEnglishDeutschPortuguêsРусский中文EntityQ988401· pop 7· linked from 12 articlesWarped geometrySpecial product of manifoldsAvailable in 7 languagesDeutsch中文РусскийPortuguêsCatalanUkrainianvia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntitytheory of relativityEntityCategoriesDifferential geometryGeneral relativityString theory