2019
DOI: 10.1214/18-aap1459
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A general continuous-state nonlinear branching process

Abstract: In this paper we consider the unique nonnegative solution to the following generalized version of the stochastic differential equation for a continuous-state branching process.

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Cited by 38 publications
(84 citation statements)
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References 52 publications
(53 reference statements)
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“…It is also worth noticing that in the scaling limits, the nonlinearity or the environment can impact the diffusion or jump terms, and not only the drift as for BPILE considered in Section 4. One could also prove limits to CSBP with Lévy environment, where the jump measure associated with the demographical stochasticity (large jumps coming from the offsprings of one single individual, at a rate proportional to the number of individuals) is impacted by the environment, see [4], [29] for an example. Note also that we observe that one may want to go beyond the boundedness assumptions on the characteristics G N .…”
Section: Perspectives and Multidimensional Population Modelsmentioning
confidence: 99%
See 1 more Smart Citation
“…It is also worth noticing that in the scaling limits, the nonlinearity or the environment can impact the diffusion or jump terms, and not only the drift as for BPILE considered in Section 4. One could also prove limits to CSBP with Lévy environment, where the jump measure associated with the demographical stochasticity (large jumps coming from the offsprings of one single individual, at a rate proportional to the number of individuals) is impacted by the environment, see [4], [29] for an example. Note also that we observe that one may want to go beyond the boundedness assumptions on the characteristics G N .…”
Section: Perspectives and Multidimensional Population Modelsmentioning
confidence: 99%
“…Lamperti has also introduced a powerful transform in the stable framework, see e.g. [25] and [29] and [5]. Other time changes have been successfully used to obtain scaling limits of discrete processes, in particular for some diffusion approximations, see for instance [21] for branching processes in random environment, [9] for branching processes with immigration and [33] for controlled branching processes , amongst others.…”
Section: Introductionmentioning
confidence: 99%
“…其中 {B t : t 0} 是 (G t ) Brown 运动. 我们在文献 [13] 中已经证明, 在上面条件成立的情形下, (1.3) 和 (1.4) 有唯一的非负强解. 文献 [13] 讨论了这一类过程在有限时间内灭绝、爆炸以及无穷远点为流 入边界的条件.…”
Section: )unclassified
“…例如, 在某些应用模型中, 当粒子个体总数 很大或者粒子处于高速运动中时, 不同个体间可能存在相互影响, 这导致生死速率可能会提高或降低, 且不能再由线性函数给出. 为了解决上述问题, 我们在文献 [13] 中考虑了连续状态非线性分枝过程. 直观上, 该过程是一类分枝速率依赖于当前人口的分枝过程.…”
unclassified
“…Then (L, D) generates a CB-process with competition; see, e.g., Berestycki et al (2018), Lambert (2005) and Pardoux (2016). A more general class of population models, called continuousstate nonlinear branching processes, have been studied in Li (2018a) and Li et al (2017+).…”
Section: Introductionmentioning
confidence: 99%