| 一类具有常数脉冲投放的三种群捕食系统 |
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| 引用本文： | 郭红建,李景杰,宋新宇.一类具有常数脉冲投放的三种群捕食系统[J].数学的实践与认识,2006,36(8):223-228. |
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| 作者姓名： | 郭红建 李景杰 宋新宇 |
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| 作者单位： | 信阳师范学院数学与信息科学学院,河南,信阳,464000 |
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| 基金项目： | 国家自然科学基金;河南省高校杰出科研人才创新工程项目;教育部留学回国人员科研启动基金 |
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| 摘 要： | 考虑了一类两食饵种群具有密度制约和常数脉冲投放的三种群捕食系统,证明了当无捕食者时系统存在一个正周期解,并讨论了这个正周期解的全局渐近稳定性及其条件.
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| 关 键 词： | 捕食与被捕食系统 脉冲 绝灭 常数投放 |
| 修稿时间： | 2005年11月21 |
A Kind of Three Species Predator-prey System with Constant Impulsive Release |
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| GUO Hong-jian,LI Jing-jie,SONG Xin-yu.A Kind of Three Species Predator-prey System with Constant Impulsive Release[J].Mathematics in Practice and Theory,2006,36(8):223-228. |
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| Authors: | GUO Hong-jian LI Jing-jie SONG Xin-yu |
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| Abstract: | A kind of three species predator-prey system of two preys with density restriction and constant implusive release is considered.It is proved that there exist a postive periodic solution of the system when the preadator is absent.The stability and its condition of the periodic solution is discussed. |
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| Keywords: | predator-prey system impulse extinction constant release |
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