Lines of axial curvature at critical points on surfaces mapped into R4

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dc.creatorGarcia, Ronaldo Alves
dc.creatorTello, Jorge Manuel Sotomayor
dc.date.accessioned2017-09-15T20:05:06Z
dc.date.available2017-09-15T20:05:06Z
dc.date.issued2012
dc.description.resumoIn this paper are studied the simplest patterns of axial curvature lines (along which the normal curvature vector is at a vertex of the ellipse of curvature) near a critical point of a surface mapped into R4. These critical points, where the rank of the mapping drops from 2 to 1, occur isolated in generic one parameter families of mappings of surfaces into R4. As the parameter crosses a critical bifurcation value, at which the mapping has a critical point, it is described how the axial umbilic points, which are the singularities of the axial curvature configurations at regular points, move along smooth arcs to reach the critical point. The numbers of such arcs and their axial umbilic types, (see [10], [12])., are fully described for a typical family of mappings with a critical point.pt_BR
dc.identifier.citationGARCIA, Ronaldo; SOTOMAYOR, Jorge. Lines of axial curvature at critical points on surfaces mapped into R4. São Paulo Journal of Mathematical Sciences, São Paulo, v. 6, n. 2, p. 277-300, 2012.pt_BR
dc.identifier.issn2316-9028
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/12476
dc.language.isoengpt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentInstituto de Matemática e Estatística - IME (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectAxiumbilic pointpt_BR
dc.subjectEllipse of curvaturept_BR
dc.subjectSingular point of Whitneypt_BR
dc.titleLines of axial curvature at critical points on surfaces mapped into R4pt_BR
dc.typeArtigopt_BR

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