Cristina Butucea

According to our database, Cristina Butucea authored at least 10 papers between 2001 and 2022.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of four.

2022

Fast nonasymptotic testing and support recovery for large sparse Toeplitz covariance matrices.

Nayel Bettache, Cristina Butucea, Marianne Sorba

J. Multivar. Anal., 2022

Simultaneous off-the-grid learning of mixtures issued from a continuous dictionary.

Cristina Butucea, Jean-François Delmas, Anne Dutfoy, Clément Hardy

CoRR, 2022

Off-the-grid learning of sparse mixtures from a continuous dictionary.

Cristina Butucea, Jean-François Delmas, Anne Dutfoy, Clément Hardy

CoRR, 2022

2021

Locally differentially private estimation of nonlinear functionals of discrete distributions.

Cristina Butucea, Yann Issartel

CoRR, 2021

Locally differentially private estimation of functionals of discrete distributions.

Cristina Butucea, Yann Issartel

Proceedings of the Advances in Neural Information Processing Systems 34: Annual Conference on Neural Information Processing Systems 2021, 2021

2020

Locally private non-asymptotic testing of discrete distributions is faster using interactive mechanisms.

Thomas Berrett, Cristina Butucea

Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

2019

Local differential privacy: Elbow effect in optimal density estimation and adaptation over Besov ellipsoids.

Cristina Butucea, Amandine Dubois, Martin Kroll, Adrien Saumard

CoRR, 2019

2016

Sharp minimax tests for large Toeplitz covariance matrices with repeated observations.

Cristina Butucea, Rania Zgheib

J. Multivar. Anal., 2016

2015

Maximum entropy copula with given diagonal section.

Cristina Butucea, Jean-François Delmas, Anne Dutfoy, Richard Fischer

J. Multivar. Anal., 2015

2001

Numerical results concerning a sharp adaptive density estimator.

Cristina Butucea

Comput. Stat., 2001