Critical result on the break-even concentration in a single-species stochastic chemostat model
Critical result on the break-even concentration in a single-species stochastic chemostat model
复制标题
单物种随机恒化器模型中盈亏平衡浓度的关键结果
DOI:
10.1016/j.jmaa.2015.09.070
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发表时间:
2016-02
影响因子:
1.3
通讯作者:
Sanling Yuan
中科院分区:
文献类型:
--
作者:
Dianli Zhao;Sanling Yuan
In this paper, the strictly critical parameter λ˜ is identified as the break-even concentration for the stochastic chemostat model. λ˜> S 0 suffices for extinction of the microorganism for any noise intensity σ 2> 0 is proved firstly, which completely solves the open problem proposed in [10]. Then, by using the Feller test, we show that the microorganism will go extinct in probability if λ˜= S 0, which has not been studied in the known literature. When λ˜< S 0, in addition to the previously discussed persistence in mean, the stochastic persistence of the microorganism is studied by use of Chebyshev's inequality. Besides, the existence of the stationary distribution is proved for the considered model. Numerical simulations are introduced finally to support the obtained results.
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影响因子:
1.7
作者:
Chen, Zhenzhen;Zhang, Tonghua
通讯作者:
Zhang, Tonghua
影响因子:
1.7
作者:
Tonghua Zhang;Zhenzhen Chen;Maoan Han
通讯作者:
Tonghua Zhang;Zhenzhen Chen;Maoan Han
DOI:
10.1533/9780857099402
发表时间:
1998-03
期刊:
--
影响因子:
--
作者:
X. Mao
通讯作者:
X. Mao
影响因子:
2.2
作者:
Zhu, C.;Yin, G.
通讯作者:
Yin, G.
影响因子:
1.3
作者:
Jingliang Lv;Ke Wang
通讯作者:
Jingliang Lv;Ke Wang