Mathematics – Statistics Theory
Scientific paper
2004-09-24
Mathematics
Statistics Theory
Scientific paper
We consider estimation of the common probability density $f$ of i.i.d. random variables $X_i$ that are observed with an additive i.i.d. noise. We assume that the unknown density $f$ belongs to a class $\mathcal{A}$ of densities whose characteristic function is described by the exponent $\exp(-\alpha |u|^r)$ as $|u|\to \infty$, where $\alpha >0$, $r>0$. The noise density is supposed to be known and such that its characteristic function decays as $\exp(-\beta |u|^s)$, as $|u| \to \infty$, where $\beta >0$, $s>0$. Assuming that $r
Butucea Cristina
Tsybakov Alexandre B.
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