EXISTENCE OF LIMIT CYCLES FOR A CUBIC KOLMOGOROV SYSTEM WITH A PARABOLIC SOLUTION WHICH DOES NOT CONTACT AND INTERSECT THE COORDINATE AXES

EXISTENCE OF LIMIT CYCLES FOR A CUBIC KOLMOGOROV SYSTEM WITH A PARABOLIC SOLUTION WHICH DOES NOT CONTACT AND INTERSECT THE COORDINATE AXES

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摘要 This paper is concerned with a cubic Kolmogorov system with a parabolicsolution which does not contact and intersect the coordinates. The conclusionis that such a system may possess limit cycles. This paper is concerned with a cubic Kolmogorov system with a parabolicsolution which does not contact and intersect the coordinates. The conclusionis that such a system may possess limit cycles.

作者沈聪沈伯骞

机构地区 Liaoning Police High Academic School Dept of Math Liaoning Normal University Dalian

出处《Annals of Differential Equations》 2004年第2期168-172,共5页 微分方程年刊（英文版）

关键词 cubic Kolmogorov system parabolic solution limt cycle cubic Kolmogorov system parabolic solution limt cycle

分类号 N941 [自然科学总论—系统科学]

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Annals of Differential Equations

2004年第2期

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EXISTENCE OF LIMIT CYCLES FOR A CUBIC KOLMOGOROV SYSTEM WITH A PARABOLIC SOLUTION WHICH DOES NOT CONTACT AND INTERSECT THE COORDINATE AXES

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