COMPOSITION CONDITIONS IN THE TRIGONOMETRIC ABEL EQUATION

被引:0
|
作者
Gine, Jaume [1 ]
Grau, Maite [1 ]
Santallusia, Xavier [1 ]
机构
[1] Univ Lleida, Dept Matemat, Lleida 25001, Catalonia, Spain
来源
关键词
Center problem; Abel differential equation; universal centers; polynomial differential equations; DIFFERENTIAL-EQUATIONS; COMPOSITION CONJECTURES; SYSTEMS; CENTERS; CURVES; MAP;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper we deal with the center problem for the trigonometric Abel equation d rho/d theta = a(1)(theta)rho(2) a(2)(theta)rho(3), where a1(theta) and a(2)(theta) are trigonometric polynomials in theta. This problem is closely connected with the classical Poincare center problem for planar polynomial vector fields.
引用
收藏
页码:133 / 144
页数:12
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