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Deconvolution of supersmooth densities with smooth noise
Authors:Cristina Butucea
Abstract:The author considers the estimation of the common probability density of independent and identically distributed random variables observed with added white noise. She assumes that the unknown density belongs to some class of supersmooth functions, and that the error distribution is ordinarily smooth, meaning that its characteristic function decays polynomially asymptotically. In this context, the author evaluates the minimax rate of convergence of the pointwise risk and describes a kernel estimator having this rate. She computes upper bounds for the L2 risk of this estimator.
Keywords:Deconvolution density  minimax estimation  smooth noise  supersmooth functions
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