EntityQ233220· pop 12· linked from 73 articlessecond fundamental formSign in to savequadratic form related to curvatures of surfacesConnectionstangentEntitydifferential geometry of surfacesEntityGauss–Codazzi equationsEntityCarl Friedrich GaussEntityInternational Standard Book NumberEntityscalar productEntityTaylor seriesEntitycross productEntityEuclidean spaceEntitydifferential geometryEntityKatholieke Universiteit LeuvenEntitypartial derivativeEntitycurvatureEntityRiemannian geometryEntitydifferentiable functionEntityquadratic formEntityEinstein notationEntityHessian matrixEntityRiemannian manifoldEntitymetric tensorEntityCategoriesCurvature (mathematics)Differential geometryDifferential geometry of surfacesRiemannian geometryTensors