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

2017-09-182017-09-182005GARCIA, Ronaldo Alves; 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, 2005.0001-3765http://repositorio.bc.ufg.br/handle/ri/12501In this paper is studied the behavior of principal curvature lines near a curve of umbilic points of a smooth surface.engAcesso AbertoUmbilic pointPrincipal curvature linesPrincipal cyclesPonto umbílicoLinhas de curvatura principalCiclos principaisOn the patterns of principal curvature lines around a curve of umbilic pointsArtigo