Artículos de Ecuaciones diferenciales ordinarias

• Homogeneous polynomial vector fields of degree 2 on the 2-dimensional sphere. (0213-8743)
• Shadowing for linear systems of differential equations. (0214-1493)
• Counting fixed points of a finitely generated subgroup of Aff [C]. (0214-1493)
• Nondegenerate linearizable centre of complex planar quadratic and symmetric cubic systems in C². (0214-1493)
• On the existence of canard solutions (0214-1493)
• Foliations in algebraic surfaces having a rational first integral. (0214-1493)
• Consequences of the meromorphic equivalence of standard matrix differential equations. (0214-1493)
• Meandering of trajectories of polynomial vector fields in the affine n-space. (0214-1493)
• Smoothness property for bifurcation diagrams. (0214-1493)
• Basic algebro-geometric conceps in the study of planar polynomial vector fields. (0214-1493)
• Generic bifurcation of reversible vector fields on a 2-bidimensional manifold. (0214-1493)
• Quadratic vector fields with a weak focus of third order. (0214-1493)
• The null divergence factor. (0214-1493)
• Invariant tori for periodically perturbed oscillators. (0214-1493)
• A polynomial class of Markus-Yamabe counterexamples. (0214-1493)
• Psi-series of quadratic vector fields on the plane. (0214-1493)
• The first derivative of period function of a plane vector field. (0214-1493)
• Hopf-like bifurcations in planar piecewise linear systems. (0214-1493)
• Limit cycles in the Holling-Tanner model. (0214-1493)
• Planar vector field versions of Carathéodory's and Loewner's conjectures. (0214-1493)
• Hoptf bifurcation from infinity for planar control systems. (0214-1493)
• Five limit cycles for a simple cubic system. (0214-1493)
• The well-behaved Catalan and Brownian averages and their applications to real resummation. (0214-1493)
• New sufficient conditions for a center and global phase portraits for polynomial systems. (0214-1493)
• Affine invariant conditions for the topological distinction of quadratic systems with a critical point of the 4th multiplicity. (0214-1493)
• Integrability of a linear center perturbed by a fourth degree homogeneous polynomial. (0214-1493)
• Sufficient conditions for the existence of a center in polynomial systems of arbitrary degree. (0214-1493)
• Asymptotic equivalence of impulsive differential equations in a Banach space. (0214-1493)
• (h₀, h)-boundedness of the solutions of differential systems with impulses. (0214-1493)
• Solving a class of generalized Lyapunov operator differential equations without the exponential operator function. (0214-1493)
• Quadratic systems with a unique finite rest point. (0214-1493)
• The bang-bang principle for a class of uncertain evolution linear differential [equations] in Hilbert spaces. (0213-8204)
• On the Bellman-Dirichlet equation for two parabolic operators. (0373-0999)
• An identification problem for non-autonomous controllable processes. (0373-0999)
• Slopes of hypergeometric systems of codimension one. (0213-2230)
• A characterization of isochronous centres in terms of symmetries. (0213-2230)
• Inverse problems in the theory of analytic planar vector fields. (0213-2230)
• Fatou theorems for some nonlinear elliptic equations. (0213-2230)
• A weak regularity theorem for real analytic optimal control problems. (0213-2230)
• Fourier analysis in several parameters. (0213-2230)
• Well-posedness of the Euler and Navier-Stokes equations in the Lebesque spaces L_s^p(R²). (0213-2230)
• On lopsided systems. (0213-8743)
• Polynomial systems: a lower bound for the weakened 16th Hilbert problem. (0213-8743)
• Upper and lower solutions for first order problems with nonlinear boundary conditions. (0213-8743)
• A panorama of geometrical optimal control theory. (0213-8743)
• Positive solutions of systems of boundary value problems. (0213-8743)
• Existence results for multivalued semilinear functional differential equations. (0213-8743)
• Darbouxian integrability for polynomial vector fields on the 2-dimensional sphere. (0213-8743)
• The set of first-order differential equations with periodic or bounded solutions. (0213-8743)
• Real stability radius of two-dimensional systems under time-dependent linear perturbations. (0213-8743)
• Higher-order differential equations represented by connections on prolongations of a fibered manifold. (0213-8743)
• Simple examples of one-parameter planar bifurcations. (0213-8743)
• Quadratic systems equivalent by domains to a linear one: global phase portraits. (0213-8743)
• Périodicite des solutions d'equations differentielles dans les espaces de Banach. (0213-8743)
• Periodic boundary value problem for nonlinear first order ordinary differential equations with impulses at fixed moments. (0213-8743)
• Similarity and rescaling. (0213-8743)
• Application de la théorie d'extrapolation pour la résolution des équations différentielles à retard homogènes. (0213-8743)
• Some features of uncontinuable solutions of impulsive dynamical systems. (0213-8743)
• Prolongations and fields of paths for higher-order O.D.E. represented by connections on a fibered manifold. (0213-8743)
• Linearisation of second-order differential equations. (0213-8743)
• A note concerning Gauss-Jackson method. (0213-8743)
• On the continuability of solutions of bidimensional systems. (0213-8743)
• Nonnegativity of the Cauchy matrix and exponential stability of a neutral type system of functional differential equations. (0213-8743)
• Periodic solutions of hamiltonians systems with strong resonance at infinity. (0213-8743)
• A gradient inequality at infinity for tame functions. (1139-1138)
• Study of the limit of transmission problems in a thin layer by the sum theory of linear operators. (1139-1138)
• Stability and gradient dynamical systems. (1139-1138)
• Hille-Yosida theory in convenient analysis. (1139-1138)
• Stabilizability and controllability of systems associated to linear skew-product semiflows. (1139-1138)
• Sur la contrôlabilité exacte de l'équation des plaques vibrantes. (1139-1138)
• Stratifications adapted to finite families of differential 1-forms (Pfaffian geometry - Part one). (0214-3577)
• Partial exact controllability of a nonlinear system. (0214-3577)
• Oscillation of neutral differential equations with maxima. (0214-3577)
• Oscillatory and asymptotic properties of the solutions of a class of operator-differential equations. (0214-3577)
• Existence of periodic solutions for a class of nonlinear evolution equations. (0214-3577)
• Positive radial solutions for semilinear biharmonic equations in annular domains. (0214-3577)
• Comparison results for a class of variational inequalities. (0214-3577)
• A singular perturbation method for saddle connections and subharmonics of certain nonlinear differential equations with fixed saddle points. (0214-3577)
• An algebraic approach for solving boundary value matrix problems: existence, uniqueness and closed form solutions. (0214-3577)
• Oscillation of first order neutral diferential equations with positive and negative coefficients. (0010-0757)
• The p-adic differential equation y' = wy in the closed unit disk. (0010-0757)
• On the asymptotic behavior of solutions for a class of second order nonlinear differential equations. (0010-0757)
• Separation for ordinary differential equation with matrix coefficient. (0010-0757)
• One-parameter family of cubic Kolmogorov system with an isochronous center. (0010-0757)
• Differential equations on the plane with given solutions. (0010-0757)
• Non-standard dynamical systems. Shadows of trajectories and abstracts rivers. (0010-0757)
• Monotonicity of the period map of a non-Hamiltonian center. (0010-0757)
• On a q-deformed harmonic oscillator with variable linear momentum. (0010-0757)
• Asymptotic behaviour of the solutions of equations with impulse effect in a Banach space. (0010-0757)
• Justification of the averaging method for multipoint boundary value problems for a class of functional-differential equations with maximums. (0010-0757)
• Problème du chasseur au trosième ordre. (0010-0757)
• Tunnels-entonnoirs-peignes. IIe partie. (0010-0757)
• Les canards ont la vie breve. IIIe partie. (0010-0757)
• Chasse au canard. Ie partie. (0010-0757)
• Continuous dependence for implicit differential equations in Banach spaces. (0010-0757)
• A non-linear transmission problem of hyperbolic-parabolic type. (0010-0757)
• Solutions with compact support of certain semilinear problems. (0010-0757)