Add to ORKGWe investigate the critical period bifurcations of the system $$ \dot x = ix + x \bar x ( a x^3 + b x^2 \bar x + \bar x \bar x^2+d \bar x^3) $$ studied in [6]. We prove that at most three critical periods can bifurcate from any nonlinear center of the system
ABSTRACT. In this paper, we study the local bifurcations of critical periods in the neighborhood of ...
AbstractWithin the class of quadratic perturbations we show analytically or numerically how many lim...
AbstractWe study the bifurcation of limit cycles in general quadratic perturbations of plane quadrat...
For the polynomial system $\dot x = ix + x \bar x ( a x^2 + b x \bar x + c \bar x^2)$ the study of ...
AbstractThis paper is concerned with the study of the number of critical periods of perturbed isochr...
We study the problem of bifurcation of critical periods of a time-reversible polynomial system of de...
AbstractConsider a family of planar systems x˙=X(x,ε) having a center at the origin and assume that ...
We study the bifurcation of local critical periods in the differential system (x˙ = −y + Bxn−1y,y˙ =...
Pleshkan proved in 1969 that, up to a linear transformation and a constant rescaling of time, there ...
We study local bifurcations of critical periods in the neighborhood of a nondegenerate center of a L...
AbstractIn this paper we discuss bifurcation of critical periods in an m-th degree time-reversible s...
We study the number of limit cycles that bifurcate from the periodic solutions surrounding a unifor...
AbstractIn this paper we consider the bifurcation of limit cycles of the system ẋ=y(x2−a2)(y2−b2)+ε...
AbstractBifurcation of limit cycles from the class QNH3 of quadratic systems possessing centers is i...
In this paper, center conditions and bifurcation of limit cycles at the nilpotent critical point in ...
ABSTRACT. In this paper, we study the local bifurcations of critical periods in the neighborhood of ...
AbstractWithin the class of quadratic perturbations we show analytically or numerically how many lim...
AbstractWe study the bifurcation of limit cycles in general quadratic perturbations of plane quadrat...
For the polynomial system $\dot x = ix + x \bar x ( a x^2 + b x \bar x + c \bar x^2)$ the study of ...
AbstractThis paper is concerned with the study of the number of critical periods of perturbed isochr...
We study the problem of bifurcation of critical periods of a time-reversible polynomial system of de...
AbstractConsider a family of planar systems x˙=X(x,ε) having a center at the origin and assume that ...
We study the bifurcation of local critical periods in the differential system (x˙ = −y + Bxn−1y,y˙ =...
Pleshkan proved in 1969 that, up to a linear transformation and a constant rescaling of time, there ...
We study local bifurcations of critical periods in the neighborhood of a nondegenerate center of a L...
AbstractIn this paper we discuss bifurcation of critical periods in an m-th degree time-reversible s...
We study the number of limit cycles that bifurcate from the periodic solutions surrounding a unifor...
AbstractIn this paper we consider the bifurcation of limit cycles of the system ẋ=y(x2−a2)(y2−b2)+ε...
AbstractBifurcation of limit cycles from the class QNH3 of quadratic systems possessing centers is i...
In this paper, center conditions and bifurcation of limit cycles at the nilpotent critical point in ...
ABSTRACT. In this paper, we study the local bifurcations of critical periods in the neighborhood of ...
AbstractWithin the class of quadratic perturbations we show analytically or numerically how many lim...
AbstractWe study the bifurcation of limit cycles in general quadratic perturbations of plane quadrat...