Integrability of Lotka-Volterra Planar Complex Cubic Systems

被引:8
作者
Dukaric, Masa [1 ]
Gine, Jaume [2 ]
机构
[1] Univ Maribor, Ctr Appl Math & Theoret Phys, Krekova 2, SI-2000 Maribor, Slovenia
[2] Univ Lleida, Dept Matemat, Avda Jaume 2,69, Lleida 25001, Catalonia, Spain
来源
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS | 2016年 / 26卷 / 01期
关键词
Two-dimensional system; first integral; complex cubic system; integrability; LINEARIZABILITY CONDITIONS; CENTERS;
D O I
10.1142/S0218127416500024
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper, we study the Lotka-Volterra complex cubic systems. We obtain necessary conditions of integrability for these systems with some restriction on the parameters. The sufficiency is proved for all conditions, except one which remains open, using different methods.
引用
收藏
页数:16
相关论文
共 50 条
  • [31] Asymptotic expression of the period of the Lotka-Volterra system
    Oshime, Y
    JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS, 2003, 20 (03) : 353 - 378
  • [32] MEASURE PRESERVATION AND INTEGRALS FOR LOTKA-VOLTERRA TREE-SYSTEMS AND THEIR KAHAN DISCRETISATION
    van der Kamp, Peter H.
    McLachlan, Robert I.
    McLaren, David I.
    Quispel, G. R. W.
    JOURNAL OF COMPUTATIONAL DYNAMICS, 2024, 11 (04): : 468 - 484
  • [33] Kahan Discretizations of Skew-Symmetric Lotka-Volterra Systems and Poisson Maps
    Evripidou, C. A.
    Kassotakis, P.
    Vanhaecke, P.
    MATHEMATICAL PHYSICS ANALYSIS AND GEOMETRY, 2021, 24 (03)
  • [34] Kahan Discretizations of Skew-Symmetric Lotka-Volterra Systems and Poisson Maps
    C. A. Evripidou
    P. Kassotakis
    P. Vanhaecke
    Mathematical Physics, Analysis and Geometry, 2021, 24
  • [35] On the dynamics of Lotka-Volterra equations having an invariant hyperplane
    Plank, M
    SIAM JOURNAL ON APPLIED MATHEMATICS, 1999, 59 (05) : 1540 - 1551
  • [36] First integrals of Darboux type for a family of 3-dimensional Lotka-Volterra systems
    Llibre, Jaume
    Valls, Claudia
    BULLETIN DES SCIENCES MATHEMATIQUES, 2015, 139 (05): : 473 - 494
  • [37] Three-Dimensional Lotka-Volterra Systems with 3:-1:2-Resonance
    Aziz, Waleed
    Christopher, Colin
    Llibre, Jaume
    Pantazi, Chara
    MEDITERRANEAN JOURNAL OF MATHEMATICS, 2021, 18 (04)
  • [38] Integrability of complex planar systems with homogeneous nonlinearities
    Fercec, Brigita
    Gine, Jaume
    Romanovski, Valery G.
    Edneral, Victor F.
    JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2016, 434 (01) : 894 - 914
  • [39] Direct integration method and first integrals for three-dimensional Lotka-Volterra systems
    Gao, PY
    PHYSICS LETTERS A, 1999, 255 (4-6) : 253 - 258
  • [40] Normalizable, integrable and linearizable saddle points in the Lotka-Volterra system
    Christopher C.
    Rousseau C.
    Qualitative Theory of Dynamical Systems, 2004, 5 (1) : 11 - 61