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Depósito Digital de Documentos de la UAB Encontrados 28 registros  inicioanterior19 - 28  ir al registro: La búsqueda tardó 0.00 segundos. 
19.
12 p, 370.0 KB Piecewise bounded quadratic systems in the plane / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; da Silva, Clayton Eduardo Lente (UNESP(Brazil). Deparatamento de Matemática) ; Da Silva, Paulo R. (UNESP(Brazil). Deparatamento de Matemática)
In this paper we study the sliding mode of piecewise bounded quadratic systems in the plane given by a non-smooth vector field Z = (X, Y ). Analyzing the singular, crossing and sliding sets, we get the conditions which ensure that any solution, including the sliding one, is bounded.
2014 - 10.1007/s12591-014-0205-y
Differential Equations and Dynamical Systems, 2014  
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20.
25 p, 932.3 KB Singular perturbations in the quadratic family with multiple poles / Garijo, Antoni (Universitat Rovira i Virgili. Departament d'Enginyeria Informàtica i Matemàtiques) ; Marotta, Sebastian M. (University of the Pacific(Stockon). Department of Mathematics) ; Russell, Elizabeth D. (United States Military Academy West Point. Department of Mathematical Sciences)
We consider the quadratic family of complex maps given by qc(z) = z2 + c where c is the center of a hyperbolic component in the Mandelbrot set. Then, we introduce a singular perturbation on the corresponding bounded superattracting cycle by adding one pole to each point in the cycle. [...]
2013 - 10.1080/10236198.2011.630668
Journal of Difference Equations and Applications, Vol. 19 (2013) , p. 124-145  
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21.
21 p, 917.4 KB Canards from Chua's circuit / Ginoux, Jean-Marc (Université du Sud(France). Laboratoire Protee) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Chua, Leon O. (University of California. DEECS Department)
At first, the aim of this work is to extend Benoît's theorem for the generic existence of "canards" solutions in singularly perturbed dynamical systems of dimension three with one fast variable to those of dimension four. [...]
2013 - 10.1142/S0218127413300103
International journal of bifurcation and chaos in applied sciences and engineering, Vol. 23 Núm. 4 (2013) , p. 1330010  
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22.
7 p, 327.4 KB A note on the equilibria of an economic model with local competition ''à la Cournot'' / Guirao, Juan Luis Garcia (Universidad Politécnica de Cartagena. Departamento de Matemática Aplicada y Estadística) ; López, Miguel Angel (Universidad de Castilla-La Mancha. Departamento de Matemáticas) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Martínez, Raquel (Universidad de Castilla-La Mancha. Departamento de Matemáticas)
Guirao and Rubio (2010) [12] introduce an economic model, which generalizes the classical duopoly of Cournot type, where the competitors are located around a circle or a line and each firm competes ''à la Cournot'' with its right and left neighboring. [...]
2012 - 10.1016/j.cam.2010.11.030
Journal of computational and applied mathematics, Vol. 236 (2012) , p. 3052-3057  
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23.
112 p, 4.9 MB Connectivity of Julia sets of transcendental meromorphic functions / Taixés, Jordi ; Fagella Rabionet, Núria, dir. (Universitat de Barcelona. Grup de Sistemes Dinàmics) ; Jarque i Ribera, Xavier, dir. (Universitat de Barcelona)
Newton's method associated to a complex holomorphic function f is defined by the dynamical system Nf(z) = z - f(z) / f'(z). As a root-finding algorithm, a natural question is to understand the dynamics of Nf about its fixed points, as they correspond to the roots of the function f. [...]
[Barcelona] : Universitat de Barcelona 2011  
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24.
15 p, 728.8 KB The flow curvature method applied to canard explosion / Ginoux, Jean-Marc (Université du Sud(France). Laboratoire Protee) ; Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
The aim of this work is to establish that the bifurcation parameter value leading to a canard explosion in dimension two obtained by the so-called Geometric Singular Perturbation Method can be found according to the Flow Curvature Method. [...]
2011 - 10.1088/1751-8113/44/46/465203
Journal of Physics. A. Mathematical and General, Vol. 44 (2011) , p. 465203  
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25.
21 p, 834.8 KB Averaging theory for discontinuous piecewise differential systems / Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Mereu, Ana Cristina (Universidade Federal de Sao Carlos (Brazil). Departamento de Física, Química e Matematica) ; Novaes, Douglas D. (Universidade Estadual de Campinas (Brazil). Departamento de Matematica)
We develop the averaging theory of first and second order for studying the periodic solutions of discontinuous piecewise differential systems in arbitrary dimension and with an arbitrary number of systems with the minimal conditions of differentiability. [...]
2015 - 10.1016/j.jde.2015.01.022
Journal of differential equations, Vol. 258 (2015) , p. 4007-4032  
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26.
192 p, 1.8 MB Dynamical Classification of some Birational Maps of C2 / Zafar, Sundus (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ; Cimà, Anna, dir. ; Universitat Autònoma de Barcelona. Departament de Matemàtiques
[Barcelona] : Universitat Autònoma de Barcelona, 2015  
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27.
5 p, 1.3 MB Inducing bistability with local electret technology in a microcantilever based non-linear vibration energy harvester / López Suárez, Miquel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Agustí Batlle, Jordi (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Torres, Francesc 1948- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Rurali, Riccardo (Institut de Ciència de Materials de Barcelona) ; Abadal Berini, Gabriel (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; American Institute of Physics
A micro-electro-mechanical system based vibration energy harvester is studied exploring the benefits of bistable non linear dynamics in terms of energy conversion. An electrostatic based approach to achieve bistability, which consists in the repulsive interaction between two electrets locally charged in both tip free ends of an atomic force microscope cantilever and a counter electrode, is experimentally demonstrated. [...]
2013 - 10.1063/1.4800926
Applied physics letters, Vol. 102, Issue 15 (April 2013) , p. 153901/1-153901/4  
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28.
6 p, 115.7 KB Parabolic curves for diffeomorphisms in C2 / Brochero Martínez, F. E. (Universidade Federal de Minas Gerais (Belo Horizonte, Brasil). Departamento de Matemática) ; Cano Torres, Felipe (Universidad de Valladolid. Departamento de Algebra, Análisis Matemático, Geometría y Topología) ; López-Hernanz, L. (Universidad de Valladolid. Departamento de Algebra, Análisis Matemático, Geometría y Topología)
We give a simple proof of the existence of parabolic curves for diffeomorphisms in (C 2 , 0) tangent to the identity with isolated fixed point.
2008 - 10.5565/PUBLMAT_52108_09
Publicacions matemàtiques, V. 52 n. 1 (2008) p. 189-194  
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Depósito Digital de Documentos de la UAB : Encontrados 28 registros   inicioanterior19 - 28  ir al registro:
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