Keywords: مشکل مرکز; Rayleigh-Duffing oscillator; First integrals; Center problem;
مقالات ISI مشکل مرکز (ترجمه نشده)
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Keywords: مشکل مرکز; primary; 34C05; 34C07; Abel polynomial differential systems of second kind; Center problem; Gröbner bases;
Keywords: مشکل مرکز; Non-smooth dynamics; Center problem; Periodic orbits; Poincaré map34C25; 37G15; 37G10
Keywords: مشکل مرکز; primary, 34C25; secondary, 34C07Abel equations; Center problem; Composition condition; Moment conditions; Composition conjecture
Keywords: مشکل مرکز; Center problem; Orbital normal form; Reversibility; Integrability; Lie symmetry; Inverse integrating factor;
Keywords: مشکل مرکز; Integrability; Center problem; Time-reversibility;
The center problem for Z2-symmetric nilpotent vector fields
Keywords: مشکل مرکز; Z2-symmetric differential systems; Center problem; Nilpotent singularity;
Comment on: “Centers of quasi-homogeneous polynomial planar systems” [Nonlinear Anal. RWA 13 (2012) 419]
Keywords: مشکل مرکز; Quasi-homogeneous; Center problem; Monodromy; Reversibility; Integrability;
On the integrability of Liénard systems with a strong saddle
Keywords: مشکل مرکز; Center problem; Analytic integrability; Strong saddle; Liénard equation; Resonant saddle;
Center problem for trigonometric Liénard systems
Keywords: مشکل مرکز; primary; 34C25; secondary; 37C10; 37C27; Center problem; Trigonometric Liénard equation; Trigonometric polynomial;
Shuffle and Faà di Bruno Hopf algebras in the center problem for ordinary differential equations
Keywords: مشکل مرکز; primary, 34C07; secondary, 05A10Shuffle Hopf algebra; Faà di Bruno Hopf algebra; Center problem; First return map; Bell polynomial
Divergence and Poincaré-Liapunov constants for analytic differential systems
Keywords: مشکل مرکز; 34C25; 37G10; 34A34; 34C05; Center problem; Poincaré-Liapunov constants; Divergence; Hamiltonian;
Improved algorithms to network p-center location problems
Keywords: مشکل مرکز; Center problem; Tree decomposition; Kleeʼs measure problem
Stability and periodic oscillations in the Moon–Rand systems
Keywords: مشکل مرکز; Center problem; Cyclicity; Integrability; Stability
Limit cycle bifurcations from a non-degenerate center
Keywords: مشکل مرکز; Poincaré–Liapunov constants; Limit cycles; Center problem; Groebner basis
Higher order limit cycle bifurcations from non-degenerate centers
Keywords: مشکل مرکز; Poincaré–Liapunov constants; Limit cycles; Center problem; Groebner basis
Integrability of Lotka-Volterra type systems of degree 4
Keywords: مشکل مرکز; Integrability; Lotka-Volterra type system; Center problem; Saddle value;
Centers of quasi-homogeneous polynomial planar systems
Keywords: مشکل مرکز; Quasi-homogeneous; Reversibility; Integrability; Center problem; Monodromy
Bifurcation of limit cycles for a class of cubic polynomial system having a nilpotent singular point
Keywords: مشکل مرکز; Center problem; Quasi-Lyapunov constant; Focal value; Limit cycles; Bifurcation; Cubic polynomial system;
The reversibility and the center problem
Keywords: مشکل مرکز; primary, 34C14; secondary, 34A26, 37C27, 34C25Planar differential equation; Reversibility problem; Center problem; Integrability problem
Limit cycles bifurcate from centers of discontinuous quadratic systems
Keywords: مشکل مرکز; Center problem; Non-smooth dynamical system; Hopf bifurcation; Limit cycles; Lyapunov constant
Minimum number of ideal generators for a linear center perturbed by homogeneous polynomials
Keywords: مشکل مرکز; Poincaré-Liapunov constants; Fine focus order; Center problem; Groebner basis;
Periodic solutions of a 2D-autonomous system using Mathematica®
Keywords: مشکل مرکز; Periodic solution; Limit cycle; Center problem; Isochronous center; Hilbert’s 16th problem
On polynomials orthogonal to all powers of a given polynomial on a segment
Keywords: مشکل مرکز; Center problem; Moments; Orthogonality; Cauchy type integrals; Algebraic functions; Galois groups; Cacti; Polynomials;