Pubicações até 2003

By Ronaldo Alves Updated at 11/19/14 09:24
  • GARCIA, Ronaldo Alves, SOTOMAYOR, Jorge, A Metric Property of Umbilic Points. Anais da Academia Brasileira de Ciências. , v.75, p.405 - 413, 2003. (arxiv)

  •  GARCIA, Ronaldo Alves, SOTOMAYOR, J., Harmonic mean curvature lines on surfaces immersed in R3. Boletim da Sociedade Brasileira de Matemática. , v.34, p.303 - 331, 2003. (arxiv)

  •   GARCIA, Ronaldo Alves, PINA, Romildo da Silva, Ricci Tensors with Rotational Symmetry on Rn. Resenhas do Instituto de Matemática e Estatística da Universidade de São Paulo. , v.06, p.74 - 84, 2003. (arxiv)

  •   GARCIA, Ronaldo Alves, SOTOMAYOR, J., Structural stability of piecewise vector fields on the plane. Journal of Differential Equations. , v.192, p.553 - 565, 2003.

  •   GARCIA, Ronaldo Alves, BRINGAS, F. S., Closed principal lines of surfaces immersed in the euclidean 4-space. Journal of Dynamical and Control Systems. , v.8, p.163 - 176, 2002.

  •  GARCIA, Ronaldo Alves, SOTOMAYOR, Jorge, Geometric Mean Curvature Lines on Surfaces Immersed in R3. Annales de la Faculté des Sciences de Toulouse. , v.11, p.377 - 401, 2002. (arxiv)
  •   GARCIA, Ronaldo Alves, MOTA, J. C., SOUZA, A. J., TEIXEIRA, P. W., Oxidation fronts in a simplified model for two-phase flow in porus media. Matemática Contemporânea. , v.22, p.67 - 82, 2002. (ps)
  •  GARCIA, Ronaldo Alves, SOTOMAYOR, Jorge, Umbilic and tangential singularities on configurations of principal curvature lines. Anais da Academia Brasileira de Ciências. , v.74, p.01 - 17, 2002. (pdf)
  • GARCIA, Ronaldo Alves, Principal curvature near Darbouxian partially umbilic points of hypersurfaces immersed in R4. Journal of Computational and Applied Mathematics. , v. 20, p.121 - 148, 2001.

  •  GARCIA, Ronaldo Alves, SOTOMAYOR, J., Structuraly Stable Configurations of Lines of Mean Curvature and Umbilc Points on Surfaces Immersed in R3 . Publicacions Matemàtiques. , v.45, p.431 - 466, 2001.

  •   GARCIA, Ronaldo Alves, MOCHIDA, D. K. H., FUSTER, M. E. C. R., RUAS, Maria Aparecida Soares, Inflection Points and Topology of Surfaces in 4-Space. Transactions of the American Mathematical Society. , v.352, p.3029 - 3043, 2000.
  •   GARCIA, Ronaldo Alves, SOTOMAYOR, Jorge, Lines of Axial Curvature on Surfaces Immersed in R4. Differential Geometry and Its Applications. , v.12, p.253 - 269, 2000. 
  •  GARCIA, Ronaldo Alves, GUTIERREZ, Carlos, SOTOMAYOR, Jorge, Lines of Principal Curvature around Umbilics and Whitney Umbrellas. Tohoku Mathematical Journal. , v.52, p.163 - 172, 2000.
  •  GARCIA, Ronaldo Alves, GUTIERREZ, Carlos, Ovaloids of R3 and their umbilics: A differential equation approach, Journal of Differential Equations. , v.168, p.200 - 211, 2000.
  • GARCIA, Ronaldo Alves, SOTOMAYOR, Jorge, SIERSMA, D.,  Curvature of Conflict Surfaces in Euclidean 3-Space. Banach Center Publications. , v.50, p.277 - 285, 1999.
  • GARCIA, Ronaldo Alves, GUTIERREZ, C., SOTOMAYOR, J., Structural Stability of Asymptotic Lines on Surfaces Immersed into R 3. Bulletin des Sciences Mathématiques. , v.123, p.599 - 622, 1999.
  • GARCIA, Ronaldo Alves, SOTOMAYOR, J., Structurall Stability of Parabolic Points and Periodic Asymptotic Lines. Matemática Contemporânea. , v.12, p.83 - 107, 1997.
  •  GARCIA, Ronaldo Alves, GUILLAMON, A., GASULL, A., Geometrical Conditions for Global Stability of Vector Fields on The Plane. Mathematical Proceedings of the Cambridge Philosophical Society. , v.120, p.499 - 518, 1996.
  •   GARCIA, Ronaldo Alves, SOTOMAYOR, J., Lines of Curvatue on Algebraic Surfaces. Bulletin des Sciences Mathématiques. , v.120, p.367 - 395, 1996.
  •  GARCIA, Ronaldo Alves Hyperbolic Principal Cycles of Hypersurfaces of R4. Annals of Global Analysis and Geometry. , v.11, p.185 - 196, 1993.
  •   GARCIA, Ronaldo Alves, SOTOMAYOR, Jorge Lines of Curvature Near Hyperbolic Principal Cycles. PITMAN RESEACHES NOTES. , v.285, p.255 - 262, 1993.
  •   GARCIA, Ronaldo Alves, SOTOMAYOR, J., Lines of Curvature near Singular Points of Implicit Surfaces. Bulletin des Sciences Mathématiques. , v.117, p.313 - 331, 1993.
  •  GARCIA, Ronaldo Alves Lignes de Courbure d'Hypersurfaces Immergeés dans l'Espace R4. Anais da Academia Brasileira de Ciências. , v.64, p.01 - 06, 1992.
  •  GARCIA, Ronaldo Alves, SOTOMAYOR, J., Lines of Curvature Near Principal Cycles. Annals of Global Analysis and Geometry. , v.10, p.275 - 289, 1992.