Articles de revista
Enviaments recents
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A new approach to the vakonomic mechanics
(2014-11-01)
Article
Accés restringit per política de l'editorialThe aim of this paper was to show that the Lagrange-d'Alembert and its equivalent the Gauss and Appel principle are not the only way to deduce the equations of motion of the nonholonomic systems. Instead of them we consider ... -
Emotional inertia: a key to understanding psychotherapy process and outcome
(2014-09-01)
Article
Accés restringit per política de l'editorialThe processes underlying psychotherapeutic change have increasingly been emphasized in both research and clinical practice. Nonlinear dynamical systems theory (NDS) offers a transdisciplinary scientific approach to the ... -
An improvement of Ostrowski root-finding method
(2006-02)
Article
Accés restringit per política de l'editorialAn improvement to the iterative method based on the Ostrowski one to compute nonlinear equation solutions, which increases the local order of convergence is suggested. The adaptation of a strategy presented here gives a ... -
Theoretical dark matter halo kinematics and triaxial shape
(2012-08-21)
Article
Accés obertIn a recent paper, Salvador-Solé et al. have derived the typical inner structure of dark matter haloes from that of peaks in the initial random Gaussian density field, determined by the power spectrum of density perturbations ... -
Dynamical behavior of asteroids near resonance: the 4:1 gap and the 7:2 group
(1999-08)
Article
Accés restringit per política de l'editorialA comparative study of the evolution of the Sun–Jupiter–Asteroid system near the 4:1 and 7:2 resonances is performed by means of two techniques that proceed differently from the Hamiltonian corresponding to the planar ... -
On the 16th Hilbert problem for limit cycles on nonsingular algebraic curves
(2011-01-15)
Article
Accés restringit per política de l'editorialWe give an upper bound for the maximum number N of algebraic limit cycles that a planar polynomial vector field of degree n can exhibit if the vector field has exactly k nonsingular irreducible invariant algebraic curves. ... -
Linear and nonlinear analyses of EEG dynamics during non-painful somatosensory processing in chronic pain patients
(2010-08)
Article
Accés restringit per política de l'editorialThe aim of our study was to characterize brain dynamics of affective modulation of somatosensory processing in chronic pain. We hypothesized that chronic pain patients will show abnormal EEG activity under negative mood ... -
On the stability of the Earth's fluctuations spectral peaks at their lowest amplitude level
(2008)
Article
Accés restringit per política de l'editorial -
Moment tensor inversion for the 5 july 1930 Montilla earthquake (southern Spain)
(2010-09)
Article
Accés restringit per política de l'editorial -
On the dinamics of nonholonomic systems
(2007)
Article
Accés restringit per política de l'editorialIn the development of nonholonomic mechanics one can observe recurring confusion over the very equations of motion as well as the deeper questions associated with the geometry and analysis of these equations. First of ... -
Cartesian approach for constrained mechanical system with three degree of freedom
(2010)
Article
Accés obertIn the history of mechanics, there have been two points of view for studying mechanical systems: The Newtonian and the Cartesian. According the Descartes point of view, the motion of mechanical systems is described by the ... -
On the 16th Hilbert problem for algebraic limit cycles
(2010-03-15)
Article
Accés restringit per política de l'editorialFor a polynomial planar vector field of degree n ≥ 2 with generic invariant algebraic curves we show that the maximum number of algebraic limit cycles is 1 + (n − 1)(n − 2)/2 when n is even, and (n − 1)(n − 2)/2 when n is ...
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