Limit Cycles of Piecewise Smooth Differential Equations on Two Dimensional Torus

被引：2

作者：

Llibre, Jaume ^{[1
]}

Martins, Ricardo Miranda ^{[2
]}

Tonon, Durval Jose ^{[3
]}

机构：

[1] Univ Autonoma Barcelona, Dept Matemat, E-08193 Barcelona, Spain

[2] IMECC UNICAMP, BR-13083859 Campinas, SP, Brazil

[3] Univ Fed Goias, Inst Math & Stat, Ave Esperanca S-N,Campus Samambaia, BR-74690900 Goiania, Go, Brazil

来源：

JOURNAL OF DYNAMICS AND DIFFERENTIAL EQUATIONS | 2018年 / 30卷 / 03期

基金：

巴西圣保罗研究基金会;

关键词：

Piecewise smooth differential equations; Limit cycles; Global dynamics in torus; DYNAMICS; SYSTEMS;

D O I：

10.1007/s10884-017-9584-4

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this paper we study the limit cycles of some classes of piecewise smooth vector fields defined in the two dimensional torus. The piecewise smooth vector fields that we consider are composed by linear, Ricatti with constant coefficients and perturbations of these one, which are given in (3). Considering these piecewise smooth vector fields we characterize the global dynamics, studying the upper bound of number of limit cycles, the existence of non-trivial recurrence and a continuum of periodic orbits. We also present a family of piecewise smooth vector fields that posses a finite number of fold points and, for this family we prove that for any 2k number of limit cycles there exists a piecewise smooth vector fields in this family that presents k number of limit cycles and prove that some classes of piecewise smooth vector fields presents a non-trivial recurrence or a continuum of periodic orbits.

引用

页码：1011 / 1027

页数：17

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