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Extinction in a Lotka-Volterra competitive system with impulse and the effect of toxic substances

机译:具有脉冲和有毒物质影响的Lotka-Volterra竞争系统的灭绝

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摘要

In this paper, an impulsive Lotka-Volterra competitive system with the effect of toxic substances is considered. By using some analytical technique, we prove that under certain conditions the species x_2 of the system will be driven to extinction while the species x_1 will be globally attractive with any positive solution of an impulsive Logistic equation. As a result, we extend the principle of competitive exclusion to a T-periodic competitive system with impulse and toxic substances. The main result in this paper is a good extension and supplement that of Li and Chen (2006). Furthermore, the obtained results supplement the results of Liu et al. (2009).
机译:本文考虑具有毒性物质的脉冲Lotka-Volterra竞争系统。通过使用某种分析技术,我们证明了在某些条件下,系统的x_2物种将被灭绝,而x_1物种将对脉冲Logistic方程的任何正解都具有全局吸引力。结果,我们将竞争排斥的原理扩展到具有脉冲和有毒物质的T周期竞争系统。本文的主要结果是对Li和Chen(2006)的一个很好的扩展和补充。此外,获得的结果补充了Liu等人的结果。 (2009)。

著录项

  • 来源
    《Applied Mathematical Modelling》 |2016年第3期|2015-2024|共10页
  • 作者单位

    Department of Mathematics, Tongji University, Shanghai 200092, PR China,College of Mathematics and Computer Science, Fuzhou University, Fuzhou, Fusion 350108, PR China;

    Department of Mathematics, Tongji University, Shanghai 200092, PR China;

    College of Mathematics and Computer Science, Fuzhou University, Fuzhou, Fusion 350108, PR China;

    College of Mathematics and Computer Science, Fuzhou University, Fuzhou, Fusion 350108, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Global stability; Plankton allelopathy; Delay; Extinction; Impulse;

    机译:全球稳定;浮游生物化感作用;延迟;灭绝;冲动;

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