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Jorge Sotomayor
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Li, cões de equa, cões diferenciais ordinárias
J Sotomayor
Instituto de Matemática Pura e Aplicada, CNPq, 1979
6631979
Generic bifurcations of dynamical systems
J Sotomayor
Dynamical systems 549, 1973
3461973
Generic 3-parameter families of planar vector-fields, unfoldings of saddle, focus and elliptic-singularities with nilpotent linear parts
F Dumortier, R Roussarie, J Sotomayor
Lecture Notes in Mathematics 1480, R5-164, 1991
304*1991
Generic 3-parameter families of vector fields on the plane, unfolding a singularity with nilpotent linear part. The cusp case of codimension 3
F Dumortier, R Roussarie, J Sotomayor
Ergodic theory and dynamical systems 7 (3), 375-413, 1987
2371987
Regularization of discontinuous vector fields
J Sotomayor, MA Teixeira
International Conference on Differential Equations, Lisboa, 207-223, 1996
2211996
GENERIC ONE-PARAMETER FAMILIES OF VECTOR FIELDS ON 2-DIMENSIONAL MANIFOLDS
J Sotomayor
BULLETIN OF THE AMERICAN MATHEMATICAL SOCIETY 74 (4), 722-+, 1968
220*1968
Generic one-parameter families of vector fields on two-dimensional manifolds
J Sotomayor
Publ. math. IHES 43, 5-46, 1974
2061974
Structurally stable configurations of lines of principal curvature
J Sotomayor, C Gutierrez
Asterisque, 195-215, 1982
1771982
Generic 3-parameter families of planar vector-fields, unfoldings of saddle, focus and elliptic-singularities with nilpotent linear parts
F DUMORTIER, R Roussarie, J Sotomayor
SPRINGER VERLAG, 1991
1271991
Curvas definidas por equaçoes diferenciais no plano
J Sotomayor
Instituto de Matemática Pura e Aplicada, 1981
1131981
Bifurcation analysis of the Watt governor system
J Sotomayor, LF Mello, DC Braga
Computational & Applied Mathematics 26 (1), 19-44, 2007
1042007
Impasse singularities of differential systems of the form A (x) x′= F (x)
J Sotomayor, M Zhitomirskii
Journal of Differential Equations 169 (2), 567-587, 2001
712001
Structurally stable discontinuous vector fields in the plane
J Sotomayor, ALF Machado
Qualitative Theory of Dynamical Systems 3 (1), 227-250, 2002
672002
Algebraic solutions for polynomial systems with emphasis in the quadratic case
J Chavarriga, J Llibre, J Sotomayor
Expositiones Mathematicae 15, 161-174, 1997
671997
Phase portraits of planar control systems
J Llibre, J Sotomayor
Nonlinear Analysis: Theory, Methods & Applications 27 (10), 1177-1197, 1996
671996
Bifurcations of cuspidal loops
F Dumortier, R Roussarie, J Sotomayor
Nonlinearity 10 (6), 1369, 1997
661997
An approximation theorem for immersions with stable configurations of lines of principal curvature
C Gutiérrez, J Sotomayor
Geometric dynamics, 332-368, 1983
621983
Structural stability of asymptotic lines on surfaces immersed in R3
R Garcia, C Gutierrez, J Sotomayor
Bulletin des sciences mathematiques 123 (8), 599-622, 1999
561999
Lines of curvature, umbilic points and Carathéodory conjecture
C Gutierrez, J Sotomayor
Resenhas do Instituto de Matemática e Estatística da Universidade de São …, 1998
501998
Global asymptotic stability of differential equations in the plane
A Gasull, J Llibre, J Sotomayor
Journal of Differential Equations 91 (2), 327-335, 1991
501991
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