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一类具有单调功能反应和收获率的离散Leslie模型的多个正周期解
  • ISSN号：1671-1114
  • 期刊名称：《天津师范大学学报：自然科学版》
  • 时间：0
  • 分类：O175.8[理学—数学;理学—基础数学]
  • 作者机构：[1]广西柳州师范高等专科学校数学与计算机科学系,广西柳州545004, [2]四川大学数学学院,成都610064
  • 相关基金：国家自然科学基金资助项目（10671133）
作者： 姚晓洁[1], 秦发金[1,2], 罗芳琼[1]
关键词： 单调功能反应, 收获率, 离散Leslie系统, 多个正周期解, 重合度, monotonic functional response, harvesting, discreted Leslie system, multiple positive periodic solutions, coincidence degree
中文摘要：

研究一类具有单调功能反应和收获率的离散Leslie模型正周期解的存在性问题.利用重合度理论中的延拓定理,获得了该系统至少存在两个正周期解的充分条件.最后列举一些例子说明所得结果的正确性.

英文摘要：

The existence of positive periodic solution is studied for a class of discreted Leslie system with monotonic functional response and harvesting.By using a continuation theorem based on coincidence degree theory,sufficient conditions are obtained for the existence of at least two positive periodic solutions.Finally,some examples are given to show the correctness of the obtained results.

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期刊信息
  • 《天津师范大学学报：自然科学版》
  • 北大核心期刊（2008版）
  • 主管单位:天津市教育委员会
  • 主办单位:天津师范大学
  • 主编：高玉葆
  • 地址：天津市河西区吴家窑大街57号增一号
  • 邮编：300074
  • 邮箱：tjsdxbz@126.com
  • 电话：022-23766780
  • 国际标准刊号：ISSN：1671-1114
  • 国内统一刊号：ISSN：12-1337/N
  • 邮发代号:
  • 获奖情况:
  • 中国科技论文统计源期刊,中国数学文摘期刊源,中国物理文摘期刊源
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,美国数学评论（网络版）,德国数学文摘,中国北大核心期刊（2008版）
  • 被引量:2306