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We analyze which is a selfsimilar process with stationary increments and which appears as
limit in the so-called (Dobrushin and Majòr (1979), Taqqu (1979)). This process is
non-Gaussian and it lives in the second Wiener chaos. We give its representation as a Wiener-Itô multiple integral with
respect to the Brownian motion on a finite interval
and we develop a stochastic calculus with respect to it by using both pathwise type calculus and Malliavin calculus.
In this paper, we prove some central and non-central limit theorems for renormalized weighted power variations of order ≥2 of the fractional brownian motion with Hurst parameter ∈(0, 1), where is an integer. The central limit holds for 1/2<≤1−1/2, the limit being a conditionally gaussian distribution. If <1/2 we show the convergence in 2 to a limit which only depends on the fractional brownian motion, and if >1−1/2 we show the convergence in 2 to a stochastic integral with...
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