Mathematics – Probability
Scientific paper
2002-10-17
Mathematics
Probability
15 pages, 3 figures
Scientific paper
In this work we introduce correlated random walks on $\Z$. When picking suitably at random the coefficient of correlation, and taking the average over a large number of walks, we obtain a discrete Gaussian process, whose scaling limit is the fractional Brownian motion. We have to use two radically different models for both cases ${1\over2}\leq H<1$ and $0
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