Publications (27)
New $M$-estimators in semi-parametric regression with errors in variables
Cristina Butucea, Marie-Luce Taupin
Semiparametric mixtures of symmetric distributions
Cristina Butucea, Pierre Vandekerkhove
Sharp minimax tests for large covariance matrices and adaptation
Cristina Butucea, Rania Zgheib
Adaptive procedures in convolution models with known or partially known noise distribution
Cristina Butucea, Catherine Matias, Christophe Pouet
Goodness-of-fit testing and quadratic functional estimation from indirect observations
Cristina Butucea
Adaptivity in convolution models with partially known noise distribution
Cristina Butucea, Catherine Matias, Christophe Pouet
Adaptive test for large covariance matrices with missing observations
Cristina Butucea, Rania Zgheib
Maximum entropy copula with given diagonal section
Cristina Butucea, Jean-François Delmas, Anne Dutfoy +1
Semiparametric topographical mixture models with symmetric errors
Cristina Butucea, Rodrigue Ngueyep Tzoumpe, Pierre Vandekerkhove
Detection of a sparse submatrix of a high-dimensional noisy matrix
Cristina Butucea, Yuri I. Ingster
Fast adaptive estimation of log-additive exponential models in Kullback-Leibler divergence
Cristina Butucea, Jean-François Delmas, Anne Dutfoy +1
Optimal exponential bounds for aggregation of estimators for the Kullback-Leibler loss
Cristina Butucea, Jean-François Delmas, Anne Dutfoy +1
Spectral thresholding quantum tomography for low rank states
Cristina Butucea, Madalin Guta, Theodore Kypraios
State estimation in quantum homodyne tomography with noisy data
Jean-Marie Aubry, Cristina Butucea, Katia Méziani
Sharp detection of smooth signals in a high-dimensional sparse matrix with indirect observations
Cristina Butucea, Ghislaine Gayraud
Rank penalized estimation of a quantum system
Pierre Alquier, Cristina Butucea, Mohamed Hebiri +2
Variable selection with Hamming loss
Cristina Butucea, Mohamed Ndaoud, Natalia A. Stepanova +1
Sharp Variable Selection of a Sparse Submatrix in a High-Dimensional Noisy Matrix
Cristina Butucea, Yuri I. Ingster, Irina Suslina
Minimax and adaptive estimation of the Wigner function in quantum homodyne tomography with noisy data
Cristina Butucea, Madalin Guţa, Luis Artiles
Sharp minimax tests for large Toeplitz covariance matrices with repeated observations
Cristina Butucea, Rania Zgheib
Sharp optimality for density deconvolution with dominating bias
Cristina Butucea, Alexandre B. Tsybakov
Local differential privacy: Elbow effect in optimal density estimation and adaptation over Besov ellipsoids
Cristina Butucea, Amandine Dubois, Martin Kroll +1
Maximum entropy distribution of order statistics with given marginals
Cristina Butucea, Jean-François Delmas, Anne Dutfoy +1
Adaptive variable selection in nonparametric sparse additive models
Cristina Butucea, Natalia Stepanova
Quantum U-statistics
Madalin Guta, Cristina Butucea
Functional approach for excess mass estimation in the density model
Cristina Butucea, Mathilde Mougeot, Karine Tribouley
Quadratic functional estimation in inverse problems
Cristina Butucea, Katia Méziani