Associate Professor @ IMECC/Unicamp.
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Research & Publications
My research areas: Qualitative Theory of Dynamical Systems
(structural stability, limit cycles, invariant tori),
Reversible-Equivariant Systems, Filippov Systems, Ricci Flow on
homogeneous manifolds.
Published papers
- Ricardo Miranda Martins, Luiz F. Gonçalves, Tiago Carvalho and
Durval J. Tonon, Completely
Integrable Three Dimensional Linear Differential Systems and the
Creation of Limit Cycles. Matemática Contemporânea, 2026.
- R. M. Martins, D. D Novaes, The Academic Life
of Marco Antonio Teixeira. Matemática Contemporânea, 2026.
- Ricardo Miranda Martins, Douglas D. Novaes and Joyce A.
Casimiro, Poincaré-Hopf
Theorem for Filippov vector fields on 2-dimensional compact
manifolds. Communications on Pure and Applied Analysis, vol. 23,
pp. 1770-1796, 2024.
- Ricardo Miranda Martins and Mayara D. A. Caldas, Results about
structural stability and the existence of limit cycles for piecewise
smooth linear differential equations separated by the unit
circle. Stability and Bifurcation – Memorial Issue Dedicated to
Jorge Sotomayor, São Paulo Journal of Mathematical Sciences,
vol. 18, pp. 1305-1341, 2024
- Ricardo Miranda Martins and Tiago M. P. de Abreu, Estimates for the
number of limit cycles in discontinuous generalized Liénard
equations. Qualitative Theory of Dynamical Systems, vol. 23,
article number 187, 2024.
- Leonardo Cavenagui, Lino Grama and Ricardo Miranda Martins, On the dynamics
of positively curved metrics on \(SU(3)/T^2\) under the homogeneous Ricci
flow. Workshop on Geometric Structures and Moduli Spaces,
Matemática Contemporânea, vol. 60, pp. 3–30, 2024.
- Lino Grama, Ricardo Miranda Martins, Mauro Patrão, Lucas Seco
and Llohann D. Sperança, The Projected
Homogeneous Ricci Flow and its Collapses with an Application to Flag
Manifolds. Monatshefte für Mathematik, vol. 199, pp. 483–510,
2022.
- Guilherme Tavares da Silva and Ricardo Miranda Martins, Dynamics and
Stability of Non-Smooth Dynamical Systems with Two Switches.
Nonlinear Dynamics, vol. 108, pp. 3157-3184, 2022.
- Kamila da Silva Andrade, Ricardo Miranda Martins, Mike R.
Jeffrey and Marco Antonio Teixeira, Homoclinic
boundary-saddle bifurcations in nonsmooth vector fields.
International Journal of Bifurcation and Chaos, vol. 32, iss. 04,
pp. 2230009, 2022.
- Matheus Manzatto, Douglas Duarte Novaes and Ricardo Miranda
Martins, A note
on Vishik’s normal form. Journal of Differential Equations,
vol. 281, pp. 442-458, 2021.
- Mahendra Panthee, Diego Sebastian Ledesma and Ricardo Miranda
Martins, Experiências no
ensino de matemática durante o ensino remoto emergencial na
Unicamp. Professor de Matemática Online, vol. 9, pp. 174-186,
2021.
- Jeroen S. W. Lamb, Maurício Lima, Ricardo Miranda Martins, Marco
Antonio Teixeira and J. Yang, On the hamiltonian
structure of normal forms at elliptic equilibria of reversible
vector fields in \(\mathbb
R^4\). Journal of Differential Equations, vol. 269,
pp. 11366-11395, 2020.
- Ricardo Miranda Martins and Durval J. Tonon, The
chaotic behavior of piecewise smooth differential equations on two
dimensional torus and sphere. Dynamical Systems: An
International Journal, vol. 34, pp. 356-373, 2019.
- Kamila da Silva Andrade, Ricardo Miranda Martins, Mike R.
Jeffrey and Marco Antonio Teixeira, On
the Dulac’s Problem for Piecewise Analytic Vector Fields.
Journal of Differential Equations, vol. 266, pp. 2259-2273,
2019.
- Ricardo Miranda Martins, Durval J. Tonon and Jaume Llibre, Limit
cycles of piecewise smooth differential equations on two dimensional
torus. Journal of Dynamics and Differential Equations, vol. 30,
pp. 1011–1027, 2018.
- Ricardo Miranda Martins and Otávio Gomide, Limit
cycles for quadratic and cubic planar differential equations under
polynomial perturbations of small degree. Discrete and
Continuous Dynamical Systems, vol. 37, pp. 3353-3386, 2017.
- Ricardo Miranda Martins and Lino Grama, A
brief survey on the Ricci flow in homogeneous manifolds. São
Paulo Journal of Mathematical Sciences, vol. 9, pp. 37-52,
2015.
- Ricardo Miranda Martins and Marco Antonio Teixeira, Minimal sets
in double-perturbed differential equations. Houston Journal of
Mathematics, vol. 41, pp. 491–512, 2015.
- Ricardo Miranda Martins, Regilene D. S. Oliveira and Ana
Cristina Mereu, An estimative for
the number of limit cycles in a Liénard-like perturbation of a
quadratic non-linear center. Nonlinear Dynamics, vol. 79,
pp. 185–194, 2015.
- Ricardo Miranda Martins and Ana Cristina Mereu, Limit
cycles in discontinuous classical Lienard equations. Nonlinear
Analysis: Real World Applications, vol. 20, pp. 67–73, 2014.
- Ricardo Miranda Martins, Formal Equivalence
Between Normal Forms of Reversible and Hamiltonian Dynamical
Systems. Communications in Pure and Applied Analysis, vol. 13,
iss. 2, pp. 703–703, 2014.
- Anderson Luis Albuquerque Araújo and Ricardo Miranda Martins, Existence of
periodic solutions for a nonautonomous differential equation.
Bulletin of the Belgian Mathematical Society Simon Stevin, vol. 19,
pp. 305–310, 2012.
- Lino Grama and Ricardo Miranda Martins, Global behavior
of the Ricci flow on homogeneous manifolds with two isotropy
summands. Indagationes Mathematicae, vol. 23, pp. 95–104,
2012.
- Jaume Llibre, Ricardo Miranda Martins and Marco Antonio
Teixeira, On
the birth of minimal sets for perturbed reversible vector
fields. Discrete and Continuous Dynamical Systems, Series A,
vol. 31, iss. 3, pp. 763–777, 2011.
- Ricardo Miranda Martins and Marco Antonio Teixeira, Reversible-equivariant
systems and matricial equations. Anais da Academia Brasileira de
Ciências, vol. 83, iss. 2, pp. 375–390, 2011.
- Ricardo Miranda Martins and Marco Antonio Teixeira, On the Similarity
of Hamiltonian and Reversible Vector Fields in 4D.
Communications in Pure and Applied Analysis, vol. 108, iss. 4,
pp. 1257–1266, 2011.
- Alain Jacquemard and Ricardo Miranda Martins, Solução
de sistemas algébricos e aplicações em teoria de singularidades.
Revista Matemática Universitária, vol. 47, pp. 31-39, 2010.
- Jaume Llibre, Ricardo Miranda Martins and Marco Antonio
Teixeira, Periodic
orbits, invariant tori and cylinders of Hamiltonian systems near
integrable ones having a return map equal to the identity. J.
Math. Phys., vol. 51, pp. 082704, 2010.
- Lino Grama and Ricardo Miranda Martins, The Ricci flow
of left invariant metrics on full flag manifold \(SU(3)/T\) from a dynamical systems
point of view. Bull. Sci. math., vol. 135, iss. 5, pp. 463 –
469, 2009.
Papers in proceedings
- Ricardo Miranda Martins, Kamila da Silva Andrade and Marco
Antonio Teixeira, On Degenerate
Cycles in Planar Filippov Systems. Trends in Mathematics,
pp. 1-5, Springer International Publishing, 2017.
- Otávio M. L. Gomide, Marco Antonio Teixeira and Ricardo Miranda
Martins, On
Semi-local Structural Stability of Filippov Systems. Trends in
Mathematics, pp. 83-87, Springer International Publishing,
2017.
- Durval J. Tonon and Ricardo Miranda Martins, The Chaotic
Behavior of Piecewise Smooth Dynamical Systems on Torus and
Sphere. Trends in Mathematics, pp. 125-128, Springer
International Publishing, 2017.
Other publications
- Ricardo Miranda Martins, Setembro Amarelo: o
que nós matemáticos temos com isso?. Noticiário da Sociedade
Brasileira de Matemática 35, setembro de 2021.
- Ricardo Miranda Martins, Equações
Diferenciais: Reversibilidade e Bifurcações. Tese de Doutorado,
Unicamp, 2011.
- Ricardo Miranda Martins, A Estrutura
Hamiltoniana dos Campos Reversíveis em 4D. Dissertação de
Mestrado, Unicamp, 2008.
- Ricardo Miranda Martins, Algoritmos para Álgebras Associativas e
de Lie. Monografia para II Jornadas de Iniciação Científica do IMPA,
2005.
- Tutorial do MuPAD Light e Tutorial para animações no MuPAD,
Projeto feito na graduação, orientado pela Profa. Lana Mara
Rodrigues (2003).