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UNIVERSIDAD DE SEVILLA

Publicaciones


  
Resultados: 46
2009

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Javier Ros Padilla.

Following a saddle-node of periodic orbits bifurcation curve in Chua's circuit.

International Journal of Bifurcation and Chaos 19 (2) (2009), 487--495.

Enrique Ponce Nuñez, Francisco Javier Ros Padilla.

On periodic orbits of 3D symmetric piecewise-linear systems with real triple eigenvalues.

International Journal of Bifurcation and Chaos 19 (7) (2009), 2391--2399.


2008

Victoriano Carmona Centeno, Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Javier Ros Padilla, Francisco Torres Peral.

Bifurcación silla-nodo de conos invariantes via bifurcación foco-centro-ciclo límite.

Boletín de la Sociedad Española de Matemática Aplicada 42 (MARZO) (2008), 69--78.

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Javier Ros Padilla.

Bistability and hysteresis in symmetric 3D piecewise linear oscillators with three zones.

International Journal of Bifurcation and Chaos 18 (12) (2008), 3633--3645.

Enrique Ponce Nuñez, Mario di Bernardo, Daniel Juan Pagano.

Nonhyperbolic boundary equilibrium bifurcations in planar Filippov systems: a case study approach.

International Journal of Bifurcation and Chaos 18 (5) (2008), 1377--1392.

Enrique Ponce Nuñez, Francisco Torres Peral, Jaume Llibre Saló.

On the existence and uniqueness of limit cycles in Liénard differential equations allowing discontinuities.

Nonlinearity 21 (9) (2008), 2121--2142.


2007

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Javier Ros Padilla.

A biparametric bifurcation in 3D continuous piecewise linear systems with two zones.

Application to Chua's Circuit. International Journal of Bifurcation and Chaos 17 (2) (2007), 445--457.

Enrique Ponce Nuñez, Jaume Llibre Saló, Antonio Teruel Aguilar.

Horseshoes near homoclinic orbits for piecewise linear differential systems in R3.

International Journal of Bifurcation and Chaos 17 (4) (2007), 1171--1184.


2006

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Torres Peral, Victoriano Carmona Centeno.

The continuous matching of two stable linear systems can be unstable.

Discrete and Continuous Dynamical Systems 16 (3) (2006), 689--703.

Javier Aracil Santoja, Enrique Ponce Nuñez, Federico Cuesta Rojo.

Bifurcation phenomena in elementary Takagi-Sugeno fuzzy systems. Integration of fuzzy logic and chaos theory.

Springer, New York, Estados Unidos (2006), 285--315.


2005

Javier Aracil Santoja, Enrique Ponce Nuñez, Francisco Gordillo Alvarez, Francisco Salas Gómez.

Bifurcation analysis of a rotating arm with saturated hamiltonian control laws.

International Journal of Bifurcation and Chaos 15 (10) (2005), 3223--3244.

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Torres Peral, victoriano Carmona Centeno.

Bifurcation of invariant cones in piecewise linear homogeneous systems.

International Journal of Bifurcation and Chaos 15 (8) (2005), 2469--2484.

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Javier Ros Padilla, Francisco Torres Peral, Victoriano Carmona Centeno.

Limit cycle bifurcation in 3D continuous piecewise linear systems with two zones.

Application to Chua¿S Circuit. International Journal of Bifurcation and Chaos 15 (10) (2005), 3153--3164.

Javier Aracil Santoja, Enrique Ponce Nuñez, Francisco Gordillo Alvarez.

Stabilization of oscillations through backstepping in high-dimensional systems.

IEEE Transactions on Automatic Control 50 (5) (2005), 705--710.

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Javier Ros Padilla.

The focus-center-limit cycle bifurcation in symmetric 3D piecewise linear systems.

Siam Journal of Applied Mathematics 65 (6) (2005), 1933--1951.


2004

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Rodrigo Muñoz, Francisco Torres Peral.

A piecewise linear electronic circuit with a multiplicity of bifurcations.

International Journal of Bifurcation and Chaos 14 (11) (2004), 3871--3881.

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Torres Peral, Victoriano Carmona Centeno.

Invariant manifolds of periodic orbits for piecewise linear three-dimensional systems.

Ima Journal of Applied Mathematics 69 (1) (2004), 71--91.


2003

Enrique Ponce Nuñez, Jaume Llibre Saló.

Piecewise linear feedback systems with arbitrary number of limit cycles.

International Journal of Bifurcation and Chaos 13 (4) (2003), 895--904.

Enrique Ponce Nuñez, Jaume Llibre Saló, Z. Xiang.

Existence of piecewise linear differential systems with exactly N limit cycles for all N is an element of N.

Nonlinear Analysis Theory, Methods and Applications 54 (5) (2003), 977--994.


2002

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Rodrigo Muñoz, Francisco Torres Peral.

Bifurcation sets of symmetrical continuous piecewise linear systems with three zones.

International Journal of Bifurcation and Chaos 12 (8) (2002), 1675--1702.

Emilio Freire Macías, Enrique Ponce Nuñez, Francisco Torres Peral, Victoriano Carmona Centeno.

On simplifying and classifying piecewise-linear systems.

IEEE Transactions on Circuits and Systems Part 1:Fundamental Theory and Applications 49 (5) (2002), 609--620.


2001

Javier Aracil Santoja, Enrique Ponce Nuñez, Federico Cuesta Rojo.

Local and global bifurcations in simple Takagi-Sugeno fuzzy systems.

IEEE Transactions on Fuzzy Systems 9 (2) (2001), 355--368.


2000

Javier Aracil Santoja, Enrique Ponce Nuñez, Teodoro Alamo Cantarero.

A frequency-domain approach to bifurcations in control systems with saturation.

International Journal of Systems Science 31 (10) (2000), 1261--1271.

Javier Aracil Santoja, Enrique Ponce Nuñez, Francisco Salas Gómez, Daniel Juan Pagano.

Bifurcation analysis of an inverted pendulum with saturated hamiltonian control laws. Lagrangian and hamiltonian methods for nonlinear control.

Pergamon, New York, Estados Unidos (2000), 179--180.


1999

Antonio Algaba Durán, Emilio Freire Macías, Estanislao Gamero Gutiérrez, Enrique Ponce Nuñez.

Hypernormal form calculation for triple-zero degeneracies.

Bulletin of the Belgian Mathematical Society-Simon Stevin 6 (3) (1999), 357--368.

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