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Artigos

Updated at 03/28/19 21:31 .

Listamos as publicações em revistas especializadas da área, por ano.

 

2019

108 - Andrade, K. da S.; Jeffrey, M. R.; Martins, R. M.; Teixeira, M. A.. On the Dulac's problem for piecewise analytic vector fields. J. Differential Equations 266 (2019), no. 4, 2259–2273.

107 - TONON, D. J.; Martins, R.M. . The chaotic behavior of piecewise smooth differential equations on two dimensional torus and sphere. DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL, 2019.

2018

 

106 - Vieira, Evilson; Garcia, Ronaldo. Asymptotic behavior of the shape of planar polygons by linear flows. Linear Algebra Appl. 557 (2018), 508–528.

105 - Carvalho, Tiago; Cardoso, João Lopes; Tonon, Durval José. Canonical forms for codimension one planar piecewise smooth vector fields with sliding region. J. Dynam. Differential Equations 30 (2018), no. 4, 1899–1920.

104 - Llibre, Jaume; Martins, Ricardo Miranda; Tonon, Durval José. Limit cycles of piecewise smooth differential equations on two dimensional torus. J. Dynam. Differential Equations 30 (2018), no. 3, 1011–1027.

103 - Llibre, Jaume; Tonon, Durval José. The symmetric periodic orbits for the two-electron atom. Lett. Math. Phys. 108 (2018), no. 8, 1851–1871.

102 - Buzzi, Claudio A.; Carvalho, Tiago; Euzébio, Rodrigo D.. On Poincaré-Bendixson theorem and non-trivial minimal sets in planar nonsmooth vector fields. Publ. Mat. 62 (2018), no. 1, 113–131.

101 - de Freitas, Bruno R.; Llibre, Jaume; Medrado, Joao C.. Limit cycles of continuous and discontinuous piecewise-linear differential systems in R3. J. Comput. Appl. Math. 338 (2018), 311–323.

100 - Freitas, Bruno R.; Garcia, Ronaldo A.. Inflection points on hyperbolic tori of S3. Q. J. Math. 69 (2018), no. 2, 709–728.

 2017

99 - Martins, Ricardo M.; Tonon, Durval J.. The chaotic behavior of piecewise smooth dynamical systems on torus and sphere. Extended abstracts Spring 2016—nonsmooth dynamics, 125–128, Trends Math. Res. Perspect. CRM Barc., 8, Birkhäuser/Springer, Cham, 2017.

98 - Mizukoshi, M. T.; Cecconello, M. S.. Dynamics and bifurcations of fuzzy nonlinear dynamical systems. Fuzzy Sets and Systems 319 (2017), 81–92.

97 - Euzébio, Rodrigo D.; Gouveia, Márcio R. A.. Poincaré recurrence theorem for non-smooth vector fields. Z. Angew. Math. Phys. 68 (2017), no. 2, Art. 40, 10 pp.

96 - Euzébio, Rodrigo D.; Llibre, Jaume. Zero-Hopf bifurcation in a Chua system. Nonlinear Anal. Real World Appl. 37 (2017), 31–40.

95 - Sotomayor, Jorge; Garcia, Ronaldo. Historical comments on Monge's ellipsoid and the configurations of lines of curvature on surfaces. Antiq. Math. 10 (2016), 169–182.

94 - Garcia, Ronaldo; Langevin, Rémi; Walczak, Paweł. Darboux curves on surfaces I. J. Math. Soc. Japan 69 (2017), no. 1, 1–24.

93 - de Carvalho, Tiago; Llibre, Jaume; Tonon, Durval José. Limit cycles of discontinuous piecewise polynomial vector fields. J. Math. Anal. Appl. 449 (2017), no. 1, 572–579.

92 - Carvalho, Tiago; Euzébio, Rodrigo D.; Teixeira, Marco Antonto; Tonon, Durval José. Birth of limit cycles from a 3D triangular center of a piecewise smooth vector field. IMA J. Appl. Math. 82 (2017), no. 3, 561–578.

91 - Cristiano, Rony; Carvalho, Tiago; Tonon, Durval J.; Pagano, Daniel J.. Hopf and homoclinic bifurcations on the sliding vector field of switching systems in ℝ3: a case study in power electronics. Phys. D 347 (2017), 12–20.

90 - Llibre, Jaume; Tonon, Durval J.. Symmetric periodic orbits for the collinear charged 3-body problem. J. Math. Phys. 58 (2017), no. 2, 022702, 19 pp.

89 - Franzosa, Robert; Vieira, Ewerton R.. Transition matrix theory. Trans. Amer. Math. Soc. 369 (2017), no. 11, 7737–7764.

2016

88 - GARCIA, RONALDO; Sotomayor, J. . Lines of curvature on quadric hypersurfaces of R4. Lobachevskii Journal of Mathematics, v. 37, p. 288-306, 2016.
87 - GARCIA, RONALDO; LANGEVIN, R. ; WALCZAK, PAWEL . Darboux curves on surfaces II. Sociedade Brasileira de Matematica. Boletim, Nova Serie, v. 47, p. 1119-1154, 2016.

86 - CARVALHO, Tiago de ; EUZEBIO, R. D. ; LLIBRE, J. ; TONON, D. J. . Detecting periodic orbits in some 3D chaotic quadratic polynomial differential systems. Discrete and Continuous Dynamical Systems. Series B, v. 21, p. 1-11, 2016.

85 - Carvalho, Tiago ; TONON, D. J. ; Teixeira, M.A. . Asymptotic stability and bifurcations of 3D piecewise smooth vector fields. Zeitschrift fur Angewandte Mathematik und Physik (Printed ed.), v. 67, p. 31, 2016.

84 - FRANZOSA, ROBERT; DE REZENDE, KETTY A.; VIEIRA, EWERTON R. . Generalized topological transition matrix. Topological Methods in Nonlinear Analysis, v. 48, p. 183, 2016.

83 - Buzzi, Claudio ; LLIBRE, Jaume ; Medrado, João . Hopf and zero-Hopf bifurcations in the Hindmarsh-Rose system. Nonlinear Dynamics, v. 83, p. 1549-1556, 2016.

82 - MIZUKOSHI, M.T.; CECCONELLO, M.S. . Dynamics and bifurcations of fuzzy nonlinear dynamical systems. Fuzzy Sets and Systems, v. 00, p. 1-13, 2016.(versão online)

81 - Euzébio, R.; Pazim, R.; Ponce, E. Jump bifurcations in some degenerate planar piecewise linear differential systems with three zones. Physica. D, Nonlinear Phenomena (Print), 325 (2016), 74 -85

80 - BUZZI, CLAUDIO A.; DE CARVALHO, TIAGO; EUZÉBIO, RODRIGO D.. Chaotic planar piecewise smooth vector fields with non-trivial minimal sets. Ergodic Theory & Dynamical Systems (Print), v. 36, p. 458-469, 2016.

2015

79 - GARCIA, RONALDO; LANGEVIN, RÉMI; WALCZAK, PAWE' . Foliations making a constant angle with principal directions on ellipsoids. Annales Polonici Mathematici, v. 113, p. 165-173, 2015.

78 - Carvalho, Tiago; TONON, D. J. . Structural stability and normal forms of piecewise smooth vector fields on R3.. Publicationes Mathematicae (Debrecen), v. 86, p. 255-274, 2015.

77 - PESSOA, C.G.; TONON, D.J. . Piecewise smooth vector fields in R3 at infinity. Journal of Mathematical Analysis and Applications (Print), v. 427, p. 841-855, 2015.

76 - MEDRADO, J. C. R.; TORREGROSA, Joan . Uniqueness of limit cycles for sewing planar piecewise linear systems. Journal of Mathematical Analysis and Applications (Print), v. 431, p. 529-544, 2015.

75 - Buzzi, C. A.; Euzébio, R.D.; Mereu, A. C.  Bifurcation of limit cycles from a non-smooth perturbation of a two-dimensional isochronous cylinder. Bulletin des Sciences Mathématiques (Paris. 1885), 140 (2015), 519 - 540.

74 - EUZÉBIO, RODRIGO D.; LLIBRE, Jaume . Sufficient conditions for the existence of periodic Solutions of the extended Duffing-Van der Pol oscillator. International Journal of Computer Mathematics, v. online, p. 1-32, 2015.

2014

73 - EUZÉBIO, RODRIGO D.; LLIBRE, Jaume . On the number of limit cycles in discontinuous piecewise linear differential systems with two pieces separated by a straight line. Journal of Mathematical Analysis and Applications (Print), v. 424, p. 475-486, 2014.

72 - EUZÉBIO, RODRIGO D.; LLIBRE, Jaume ; VIDAL, CLAUDIO . Zero-Hopf bifurcation in the FitzHugh-Nagumo system. Mathematical Methods in the Applied Sciences, v. FirstV, p. n/a-n/a, 2014.

71 - Euzébio, Rodrigo Donizete; LLIBRE, Jaume . Periodic solutions of El Niño model through the Vallis differential system. Discrete and Continuous Dynamical Systems, v. 34, p. 3455-3469, 2014.

70 - ARTÉS, JOAN C. ; LLIBRE, Jaume ; MEDRADO, JOAO C. ; TEIXEIRA, MARCO A. . Piecewise linear differential systems with two real saddles. Mathematics and Computers in Simulation (Print), v. 95, p. 13-22, 2014.

69 - Carvalho, Tiago ; TONON, D.J. . Normal Forms for Codimension One Planar Piecewise Smooth Vector Fields. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, v. 24, p. 1450090, 2014.

68 - GARCIA, RONALDO; SOTOMAYOR, J. ; SPINDOLOA, F. L. . Axiumbilic Singular Points on Surfaces Immersed in R^4 and their Generic Bifurcations. Journal of Singularities, v. 10, p. 124-146, 2014.

67 - LOPES, DÉBORA ; SOTOMAYOR, Jorge ; GARCIA, RONALDO . Umbilic singularities and lines of curvature on ellipsoids of -4. Sociedade Brasileira de Matematica. Boletim, Nova Serie, v. 45, p. 453-483, 2014.

2013

66 - GARCIA, Ronaldo Alves ; Marques, Diego . A family of minimal immersed tori in S3 with dense principal lines. Bulletin des Sciences Mathématiques (Paris. 1885), v. 137, p. 220-227, 2013.

65 - JACQUEMARD, A. ; TEIXEIRA, M. A. ; TONON, D. J. . Stability conditions in piecewise smooth dynamical systems at a two-fold singularity. Journal of Dynamical and Control Systems, v. 19, p. 47-67, 2013.

64 - MEDRADO, J. C. R. ; Buzzi, C.A. ; TEIXEIRA, Marco Antonio . Generic bifurcation of refracted systems. Advances in Mathematics (New York. 1965), v. 234, p. 653-666, 2013.

63 - Medrado, João C. ; Buzzi, C.A. ; SILVA, Paulo Ricardo . Peixoto s Theorem for vector fields on with impasse points. Bulletin des Sciences Mathématiques (Paris. 1885), v. 137, p. 691-704, 2013.

2012

62 - JACQUEMARD, A.; TEIXEIRA, M. A. ; TONON, D.J. . PIECEWISE SMOOTH REVERSIBLE DYNAMICAL SYSTEMS AT A TWO-FOLD SINGULARITY. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, v. 22, p. 1250192, 2012.

61 - Jacquemard, Alain; TONON, D.J. . Coupled systems of non-smooth differential equations. Bulletin des Sciences Mathématiques (Paris. 1885), v. 136, p. 239-255, 2012.

60 - Mizukoshi, Marina T. ; Bassanezi, Rodney C. ; Brandão, Adilson J.V. ; Barros, Laécio C. . On the topological equivalence of some fuzzy flows near hyperbolic equilibria. Fuzzy Sets and Systems, v. 189, p. 92-100, 2012.

59 - GARCIA, Ronaldo Alves ; Sotomayor, J. . Lines of axial curvature at critical points on surfaces mapped into R4. São Paulo Journal of Mathematical Sciences, v. 6, p. 277-300, 2012.

58 - GARCIA, Ronaldo Alves. Aspectos da História da Sociedade Brasileira de Matemática (1969-2011). Revista Brasileira de História da Matemática, v. 11, p. 99-109, 2012.

57 - BUZZI, Claudio A ; EUZÉBIO, Rodrigo D; LLIBRE, Jaume ; Mello, Luis Fernando . Discussion on the limit cycles of the Lev Ginzburg equation by M. Bellamy and R.E. Mickens, Journal of Sound and Vibration 308 (2007) 337-342. Journal of Sound and Vibration, v. 331, p. 5168-5170, 2012. 

2011

56 - LLIBRE, Jaume; Medrado, João C.. Limit cycles, invariant meridians and parallels for polynomial vector fields on the torus?. Bulletin des Sciences Mathématiques (Paris. 1885), v. 135, p. 1-9, 2011.

55 - Buzzi, C.A.; Llibre, J.; MEDRADO, J. C. R.. On the limit cycles of a class of piecewise linear differential systems in R4 with two zones. Mathematics and Computers in Simulation (Print), v. 82, p. 1-7, 2011.

54 - TONON, D.J.; Carvalho, Tiago . Generic Bifurcations of Planar Filippov Systems via Geometric Singular Perturbations. Bulletin of the Belgian Mathematical Society Simon Stevin, v. 18, p. 861-881, 2011.

2010

53 - CIMA, Anna; LLIBRE, Jaume; MEDRADO, J. C. R.. New Family of Centers for Polynomial Vector fields of Arbitrary Degree. Communications on Applied Nonlinear Analysis, v. 17, p. 15-24, 2010.

2009

52 - Buzzi, Claudio; LLIBRE, Jaume; TORREGROSA, Joan; MEDRADO, J. C. R. . Bifurcation of limit cycles from a centre in ?4 in resonance 1:N. Dynamical Systems (Print), v. 24, p. 123-137, 2009.

51 - CIMA, Anna; GASULL, Armengol; Medrado, João C.. On persistent centers. Bulletin des Sciences Mathématiques (Paris. 1885), v. 133, p. 644-657, 2009.

50 - MIZUKOSHI, M. T.; BARROS, L. C.; BASSANEZI, R. C.. Stability of Fuzzy Dynamic Systems. Fuzzy Sets and Systems, v. 17, p. 69-83, 2009.

49 - Buzzi, Claudio A.; LLIBRE, Jaume; MEDRADO, J. C. R.. Phase Portraits of Reversible Linear Differential Systems with Cubic Homogeneous Polynomial Nonlinearities Having a Non-degenerate Center at the Origin. Qualitative Theory of Dynamical Systems, v. 7, p. 369-403, 2009.

48 - Buzzi, Claudio A.; TONON, D.J.. Quadratic Planar Systems with Two Parallel Invariant Straight Lines. Qualitative Theory of Dynamical Systems, v. 7, p. 295-316, 2009.

47 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Tori embedded in SÂ with dense asymptotic lines. Anais da Academia Brasileira de Ciências (Impresso), v. 81, p. 13-19, 2009.

46 - SOTOMAYOR, J.; GARCIA, Ronaldo Alves. TORI EMBEDDED IN R3 WITH DENSE PRINCIPAL LINES. Bulletin des Sciences Mathématiques (Paris. 1885), v. 133, p. 348-354, 2009.

2008

45 - GARCIA, Ronaldo Alves; LANGEVIN, R. ; George. Holonomy of a foliation by principal curvature lines. Bulletin Brazilian Mathematical Society (Online), v. 39, p. 341-354, 2008.

44 - MEDRADO, J. C. R.; LLIBRE, Jaume; SILVA, Paulo Ricardo da. Limit cycles for Singular Perturbation Problems via Inverse Integrating Factor. Boletim da Sociedade Paranaense de Matemática, v. 26, p. 41-52, 2008.

43 - SOTOMAYOR, Jorge; GARCIA, Ronaldo Alves. Lines of Curvature on Surfaces, Historical Comments and Recent Developments. São Paulo Journal of Mathematical Sciences, v. 2, p. 99-143, 2008.

2007

42 - MEDRADO, J. C. R.; LLIBRE, Jaume; BUZZI, C. A.. Periodic orbits for a class of reversible quadratic vector fields on R3. Journal of Mathematical Analysis and Applications (Print), v. 335, p. 1335-1346, 2007.

41 - MIZUKOSHI, M. T.; BARROS, L. C.; Chalco -Cano, Y.; ROMAN-FLORES, H.; BASSANEZI, R. C.. Fuzzy differential equations and the extension principle. Fuzzy Sets and Systems, v. 177, p. 3627-3635, 2007.

40 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Codimension two umbilic points on surfaces immersed in $R^3$. Discrete and Continuous Dynamical Systems, Estados Unidos, v. 17, p. 293-308, 2007.

39 - GARCIA, Ronaldo Alves. A trefoil has two or more vertices. Results in Mathematics / Resultate der Mathematik, v. 50, p. 43-51, 2007.

38 - MEDRADO, J. C. R.; LLIBRE, Jaume; ARTES, Joan Carles. Nonexistence of limit cycles for a class of structurally stable quadratic vector fields. Discrete and Continuous Dynamical Systems, v. 17, p. 259-270, 2007.

37 - MEDRADO, J. C. R.; LLIBRE, Jaume. On the invariant hyperplanes for. Journal of Physics. A, Mathematical and Theoretical (Print), v. 40, p. 8385-8391, 2007.

2006

36 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge; LLIBRE, Jaume. Lines of principal curvature on canal surfaces in R . Anais da Academia Brasileira de Ciências (Impresso), Rio de Janeiro, v. 78, n.2, p. 405-415, 2006.

35 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Lines of Principal Curvature near Singular End Points of Surfaces in R3. Advanced Studies in Pure Mathematics (Amsterdam), Univ. Calif., Davies, v. 43, p. 437-462, 2006.

2005

34 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. On the Patterns of Principal Curvature Lines around a Curve of Umbilic Points. Anais da Academia Brasileira de Ciências (Impresso), Rio de Janeiro, v. 77, n.01, p. 13-24, 2005.

33 - MEDRADO, J. C. R.; LLIBRE, Jaume. Darboux Integrability and Reversible Quadratic Vector Fields. The Rocky Mountain Journal of Mathematics, USA, v. 35, n.6, p. 1999-2057, 2005.

2004

32 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Lines of Mean Curvature on Surfaces Immersed in R3. Qualitative Theory of Dynamical Systems, Lleida, v. 05, n.02, p. 263-309, 2004.

31 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge; GUTIERREZ, Carlos. Bifurcations of Umbilic Points and Related Principal Cycles. Journal of Dynamics and Differential Equations, New York, v. 16, n.2, p. 321-346, 2004.

30 - GARCIA, Ronaldo Alves; TEIXEIRA, Marco Antonio. Vector fields on manifolds with boundary and reversibility - An expository account. Qualitative Theory of Dynamical Systems, Lleida, v. 05, n.02, p. 185-200, 2004.

29 - GARCIA, Ronaldo Alves. On the 60th birthday of Jorge Sotomayor. Qualitative Theory of Dynamical Systems, Lleida -Espanha, v. 05, n.02, p. 01-03, 2004.

2003

28 - GARCIA, Ronaldo Alves; PINA, Romildo da Silva. Ricci Tensors with Rotational Symmetry on Rn. Resenhas do Instituto de Matematica e Estatistica da Universidade de Sao Paulo (Cessou em 2005. Cont. ISSN 1982-6907 São Paulo Journal of Mathematical, Sao Paulo, v. 06, n.01, p. 74-84, 2003.

27 - GARCIA, Ronaldo Alves; SOTOMAYOR, J.. Harmonic mean curvature lines on surfaces immersed in R3. Boletim da Sociedade Brasileira de Matemática, Brasil, v. 34, n.2, p. 303-331, 2003.

26 - GARCIA, Ronaldo Alves; SOTOMAYOR, J.. Structural stability of piecewise vector fields on the plane. Journal of Differential Equations, Estados Unidos, v. 192, n.02, p. 553-565, 2003.

25 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. A Metric Property of Umbilic Points. Anais da Academia Brasileira de Ciências (Impresso), Brasil, v. 75, n.4, p. 405-413, 2003.

24 - MIZUKOSHI, M. T.; BARROS, L. C.; BASSANEZI, R. C.. Estabilidade Local de Sistemas Dinâmicos Fuzzy. Biomatemática (UNICAMP), Campinas-SP, v. XIII, p. 91-95, 2003.

2002

23 - 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, n.2, p. 163-176, 2002.

22 - 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, Rio de Janeiro, v. 22, n.1, p. 67-82, 2002.

21 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Geometric mean curvature lines on surfaces immersed in ${ f R}^3$. Annales de la Faculté des Sciences de Toulouse, França, v. 11, n.03, p. 377-401, 2002.

20 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Umbilic and tangential singularities on configurations of principal curvature lines. Anais da Academia Brasileira de Ciências (Impresso), Rio de Janeiro, v. 74, n.01, p. 01-17, 2002.

19 - MIZUKOSHI, M. T.; BARROS, L. C.; ROJAS-MEDAR, M.; BASSANEZI, R. C.; Chalco -Cano, Y.. Dinâmica de Populações via inclusões diferenciais. Biomatemática (UNICAMP), Campinas-SP, v. XII, p. 91-103, 2002.

2001

18 - GARCIA, Ronaldo Alves. Principal curvature lines near Darbouxian partially umbilic points of hypersurfaces immersed in R4. Journal of Computational and Applied Mathematics, Rio de Janeiro, v. 20, n.1-2, p. 121-148, 2001.

17 - GARCIA, Ronaldo Alves; SOTOMAYOR, J.. Structuraly Stable Configurations of Lines of Mean Curvature and Umbilc Points on Surfaces Immersed in R3 . Publicacions Matemàtiques, Barcelona, v. 45, n.02, p. 431-466, 2001.

16 - MEDRADO, J. C. R.; TEIXEIRA, Marco Antonio. Codimension-two singularities of reversible vector fields in 3D. Qualitative Theory of Dynamical Systems, Spain, v. 2, n.2, p. 399-428, 2001.

2000

15 - GARCIA, Ronaldo Alves; GUTIERREZ, Carlos; SOTOMAYOR, Jorge. Lines of Principal Curvature around Umbilics and Whitney Umbrellas. Tohoku Mathematical Journal, Sendai, Japão, v. 52, n.02, p. 163-172, 2000.

14 - GARCIA, Ronaldo Alves; GUTIERREZ, Carlos. Ovaloids of R3 and their umbilics: A differential equation approach,. Journal of Differential Equations, Estados Unidos, v. 168, n.01, p. 200-211, 2000.

13 - 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, A. M. S. ( New York), v. 352, n.07, p. 3029-3043, 2000.

12 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Lines of Axial Curvature on Surfaces Immersed in R4. Differential Geometry and Its Applications, Holanda, v. 12, p. 253-269, 2000.

1999

11 - GARCIA, Ronaldo Alves; GUTIERREZ, C.; SOTOMAYOR, J.. Structural Stability of Asymptotic Lines on Surfaces Immersed into R 3. Bulletin des Sciences Mathématiques, Paris, v. 123, p. 599-622, 1999.

10 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge; SIERSMA, D.. Curvature of Conflict Surfaces in Euclidean 3-Space. Banach Center Publications, Warszawa, v. 50, p. 277-285, 1999.

1998

9 - MEDRADO, J. C. R.; TEIXEIRA, Marco Antonio. Symmetric singularities of reversible vector fields in dimension three. Physica. D, Nonlinear Phenomena (Print), North-Holland, v. 112, n.1-2, p. 122-131, 1998.

1997

8 - GARCIA, Ronaldo Alves; SOTOMAYOR, J.. Structurall Stability of Parabolic Points and Periodic Asymptotic Lines. Matemática Contemporânea, Rio de Janeiro, v. 12, p. 83-107, 1997

1996

7 - GARCIA, Ronaldo Alves;  SOTOMAYOR, J.. Lines of Curvatue on Algebraic Surfaces. Bulletin des Sciences Mathématiques, PARIS, v. 120, n.4, p. 367-395, 1996.

6 - 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, LONDRES, v. 120, n.2, p. 499-518, 1996.

1993

5 - GARCIA, Ronaldo Alves. Hyperbolic Principal Cycles of Hypersurfaces of R4. Annals of Global Analysis and Geometry, BERLIN, v. 11, n.1, p. 185-196, 1993.

4 - GARCIA, Ronaldo Alves; SOTOMAYOR, J.. Lines of Curvature near Singular Points of Implicit Surfaces. Bulletin des Sciences Mathématiques, PARIS, v. 117, n.1, p. 313-331, 1993.

3 - GARCIA, Ronaldo Alves; SOTOMAYOR, Jorge. Lines of Curvature Near Hyperbolic Principal Cycles. PITMAN RESEACHES NOTES, LONDRES, v. 285, n.1, p. 255-262, 1993.

1992

2 - GARCIA, Ronaldo Alves;  SOTOMAYOR, J.. Lines of Curvature Near Principal Cycles. Annals of Global Analysis and Geometry, BERLIN, v. 10, n.3, p. 275-289, 1992.

1 - GARCIA, Ronaldo Alves. Lignes de Courbure d'Hypersurfaces Immergeés dans l'Espace R4. Anais da Academia Brasileira de Ciências, RIO DE JANEIRO, v. 64, p. 01-06, 1992.