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arXiv 0901.3449math.PR
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广义首通渗流的渐近形状定理

The asymptotic shape theorem for generalized first passage percolation

Michael Björklund

摘要:

我们推广了$\mathbb{Z}^d$上的首通渗流中的渐近形状定理,使之涵盖了一般半度量的情形。证明了拓扑群上等变半度量的一个结构定理,以及Boivin和Derriennic的$\mathbb{Z}^d$ -上圈的极大不等式在向量值情形下的一个推广.这个不等式将隐含一个非常一般形式的金曼次加性遍历定理。对于某些类的广义第一通道渗流,我们证明了进一步的结构定理和渐近形状定理提供的收敛速度。对于取值于可分巴拿赫空间且具有Radon-Nikodym性质的余圈,我们还建立了Karlsson和Ledrappier的乘法遍历定理的一般形式.

英文摘要:

We generalize the asymptotic shape theorem in first passage percolation on $\mathbb{Z}^d$ to cover the case of general semimetrics. We prove a structure theorem for equivariant semimetrics on topological groups and an extended version of the maximal inequality for $\mathbb{Z}^d$-cocycles of Boivin and Derriennic in the vector-valued case. This inequality will imply a very general form of Kingman's subadditive ergodic theorem. For certain classes of generalized first passage percolation, we prove further structure theorems and provide rates of convergence for the asymptotic shape theorem. We also establish a general form of the multiplicative ergodic theorem of Karlsson and Ledrappier for cocycles with values in separable Banach spaces with the Radon--Nikodym property.

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