Umbilic singularities and lines of curvature on ellipsoids of R-4

Lopes, Debora; Sotomayor, Jorge; Garcia, Ronaldo

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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Umbilic singularities and lines of curvature on ellipsoids of R-4

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Author(s):	Lopes, Debora ^[1] ; Sotomayor, Jorge ^[2] ; Garcia, Ronaldo ^[3] Total Authors: 3
Affiliation:	^[1] Univ Fed Sergipe, Dept Matemat, BR-49100000 Sao Cristovao, SE - Brazil ^[2] Univ Sao Paulo, Inst Matemat & Estat, BR-05508090 Sao Paulo - Brazil ^[3] Univ Fed Goias, Inst Matemat & Estat, BR-74001970 Goiania, Go - Brazil Total Affiliations: 3
Document type:	Journal article
Source:	BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY; v. 45, n. 3, p. 453-483, SEP 2014.
Web of Science Citations:	2
Abstract
The topological structure of the lines of principal curvature, the umbilic and partially umbilic singularities of all tridimensional ellipsoids of R-4 is described. (AU)

FAPESP's process:	08/02841-4 - Topology, geometry and ergodic theory of dynamical systems
Grantee:	Jorge Manuel Sotomayor Tello
Support Opportunities:	Research Projects - Thematic Grants

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