🌐EnglishEnglishDeutschEspañolFrançaisРусский日本語EntityQ3427500· pop 7· linked from 36 articlesDarboux frameAlso known as Darboux coordinates, Darboux trihedronNatural moving frame in differential geometry of surfacesAvailable in 7 languagesEspañolFrançais日本語РусскийFinnishUkrainianvia Wikidata sitelinks · CC0ConnectionsJean Gaston DarbouxEntityprincipal curvatureEntityCategoriesCurvature (mathematics)Differential geometryDifferential geometry of surfaces