| 连续与离散互惠模型的持续生存 |
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| 引用本文： | 向红,孟新友,张小兵. 连续与离散互惠模型的持续生存[J]. 甘肃科学学报, 2010, 22(1): 7-10 |
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| 作者姓名： | 向红 孟新友 张小兵 |
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| 作者单位： | 兰州理工大学,应用数学系,甘肃,兰州,730050 |
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| 基金项目： | 教育部科学技术研究重点项目(209131);;甘肃省高校研究生导师基金(0803-01);;兰州理工大学优秀青年教师培养计划(Q200703);;博士启动基金 |
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| 摘 要： | 研究了一类具有时滞的连续互惠共存模型,进一步分析了该模型的离散类比,利用比较原理得到了连续与离散互惠模型持续生存的充分条件.
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| 关 键 词： | 互惠 持续生存 比较原理 |
Permanence of Continuous and Discrete Model of Mutualism |
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| XIANG Hong,MENG Xin-you,ZHANG Xiao-bing. Permanence of Continuous and Discrete Model of Mutualism[J]. Journal of Gansu Sciences, 2010, 22(1): 7-10 |
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| Authors: | XIANG Hong MENG Xin-you ZHANG Xiao-bing |
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| Affiliation: | Department of Applied Mathematics;Lanzhou University of Science and Technology;Lanzhou 730050;China |
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| Abstract: | A differential equation model of mutualism is investigated,furthermore,a discrete-time analogues of the corresponding model is also studied.By the comparison theorem,the sufficient conditions for permanence of two kinds of model are obtained. |
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| Keywords: | mutualism permanence comparison principle |
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