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К вопросу о стабилизирующей роли хищничества

К вопросу о стабилизирующей роли хищничества

Abstract

В работе рассматривается система дифференциальных уравнений типа хищник-жертва, в случае, когда один хищник питается двумя жертвами. С использованием теории дифференциальных уравнений с разрывными правыми частями доказывается, что даже в предположении отсутствия межвидовой и внутривидовой конкуренции существуют значения параметров системы, при которых любая траектория, начинающаяся в первом октанте, ограничена. Численно-аналитическими методами строятся траектории заканчивающиеся циклом, лежащим на многообразии скользящих движений.

Keywords

МАТЕМАТИЧЕСКАЯ МОДЕЛЬ,ТРИ ВЗАИМОДЕЙСТВУЮЩИЕ ПОПУЛЯЦИИ,ХИЩНИК И ДВА ВИДА ЖЕРТВ,ДИФФЕРЕНЦИАЛЬНЫЕ УРАВНЕНИЯ С РАЗРЫВНОЙ ПРАВОЙ ЧАСТЬЮ,СИМВОЛЬНО-ЧИСЛЕННОЕ МОДЕЛИРОВАНИЕ

  • BIP!
    Impact byBIP!
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    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average