EntityQ4907706· pop 7· linked from 24 articlesDupin cyclideSign in to savegeometric inversion of a standard torus, cylinder or double coneConnectionstorusEntityprincipal curvatureEntitychannel surfaceEntitymathematicsEntityInternational Standard Book NumberEntityDavid HilbertEntityJames Clerk MaxwellEntityEuclidean vectorEntityconeEntitydigital object identifierEntitycylinderEntitypolynomialEntityÉcole polytechniqueEntityCartesian coordinate systemEntityhyperbolaEntitytangentEntitygreat circleEntitycomputer-aided designEntityGaspard MongeEntityabelian groupEntityCategoriesInversive geometrySurfaces