A certain class of infinite dimensional diffusion processes arising in population genetics

A certain class of infinite dimensional diffusion processes arising in population genetics
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群体遗传学中出现的一类无限维扩散过程

DOI:
10.2969/jmsj/03910017
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发表时间:
1987
期刊:
影响因子:
--
通讯作者:
T. Shiga
T. Shiga
中科院分区:
--
文献类型:
--
作者:
T. Shiga

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$tarrow w(t)\in X$ 具有有界区间上一致收敛的拓扑,并令 $\mathcal{F}(\mathcal{F}_{t})$ 为柱面组生成的 $W$ 上的 $\sigmafield$(直到时间 $t$)。通过 (X, $L$) 扩散,我们指的是 $(W, \mathcal{F})$ 上概率分布的系统 $\{P_{x}, x\in X\}$ 是强马尔可夫并满足以下两个条件: (1.2) $P_{x}\{w:w(O)=x\}=1$ 对于每个 $x\in X$ ,
$tarrow w(t)\in X$ with the topology of uniform convergence on bounded intervals, and let $\mathcal{F}(\mathcal{F}_{t})$ be the $\sigmafield$ on $W$ generated by cylinder sets (up to time $t$). By an (X, $L$)-diffusion we mean a system $\{P_{x}, x\in X\}$ of probability distributions on $(W, \mathcal{F})$ that is strongly Markovian and satisfies the following two conditions: (1.2) $P_{x}\{w:w(O)=x\}=1$ for every $x\in X$ ,