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We study the discrete-time, real valued bounded process $\{X_n, n\in {\mathbbN} \}$ defined by a second order recurrence relation $X_{n+2} =\varphi(X_n,X_{n+1})$. We obtain the decay of correlations under analyticalhypotheses on $\varphi $ (regularity, bounds on derivatives ...)

D\'ecroissance exponentielle des corr\'elations pour un syst\`eme dynamique r\'eel induit d'un syst\`eme en dimension 2