On the patterns of principal curvature lines around a curve of umbilic points

2018-06-132018-06-132005GARCIA, Ronaldo; SOTOMAYOR, Jorge. On the patterns of principal curvature lines around a curve of umbilic points. Anais da Academia Brasileira de Ciências, Rio de Janeiro, v. 77, n. 1, p. 13-24, 2005.0001-3765e- 1678-2690http://repositorio.bc.ufg.br/handle/ri/15245In this paper is studied the behavior of principal curvature lines near a curve of umbilic points of a smooth surface.engAcesso AbertoUmbilic pointPrincipal cyclesPrincipal curvature linesPonto umbílicoLinhas de curvatura principalCiclos principaisOn the patterns of principal curvature lines around a curve of umbilic pointsArtigo10.1590/S0001-37652005000100002