
























In this paper we study correlation measures introduced in \cite{emme_asymptotic_2017}. Denote by $μ_a(d)$ the asymptotic density of the set $\mathcal{E}_{a,d}=\{n \in \mathbb{N}, \ s_2(n+a)-s_2(n)=d\}$ (where $s_2$ is the sum-of-digits function in base 2). Then, for any point $X$ in $\{0,1\}^\mathbb{N}$, define the integer sequence $\left(a_X (n)\right)_{n\in \mathbb{N}}$ such that the binary decomposition of $a_X (n) $ is the prefix of length $n$ of $X$. We prove that for \textit{any} shift-invariant ergodic probability measure $ν$ on $\{0,1\}^\mathbb{N}$, the sequence $\left(μ_{a_X(n)}\right)_{n \in \mathbb{N}}$ satisfies a central limit theorem. This result was proven in the case where $ν$ is the symmetric Bernoulli measure in \cite{emme_central_2018}.
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