半稳定Lévy指数的渐近行为及其在分形路径性质中的应用
Asymptotic behavior of semistable Lévy exponents and applications to fractal path properties
摘要:
本文证明了$\mathbb R^d$上算子半稳定律的Lévy指数的尾部的有界性.这些界限,然后应用显式计算的Hausdorff和包装尺寸的范围,图,和其他随机集描述相应的运营商半自相似Lévy过程的样本路径。证明是初等的,仅使用Lévy指数的性质和某些指数公式。
英文摘要:
This paper proves sharp bounds on the tails of the Lévy exponent of an operator semistable law on $\mathbb R^d$. These bounds are then applied to explicitly compute the Hausdorff and packing dimensions of the range, graph, and other random sets describing the sample paths of the corresponding operator semi-selfsimilar Lévy processes. The proofs are elementary, using only the properties of the Lévy exponent, and certain index formulae.
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