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arXiv 0812.0642math.PR
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超布朗运动的一个几乎必然极限定理

An almost sure limit theorem for super-Brownian motion

Li Wang

摘要:

建立了半线性方程$u_t = {1/2}Δu +βu-αu^2$的超布朗运动在$\mathbb{R}^d$上的几乎必然标度极限定理,其中$α$和$β$是正常数.在这种情况下,Chen et al(2008)中所要求的光谱理论假设不满足。最后给出一个例子,说明主要结果对$\mathbb{R}^d$中的某些子域也成立.

英文摘要:

We establish an almost sure scaling limit theorem for super-Brownian motion on $\mathbb{R}^d$ associated with the semi-linear equation $u_t = {1/2}Δu +βu-αu^2$, where $α$ and $β$ are positive constants. In this case, the spectral theoretical assumptions that required in Chen et al (2008) are not satisfied. An example is given to show that the main results also hold for some sub-domains in $\mathbb{R}^d$.

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