Cristina BUTUCEA

Cristina BUTUCEA
Cristina BUTUCEA
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2022

  • Fast nonasymptotic testing and support recovery for large sparse toeplitz covariance matrices

    Journal of multivariate analysis, vol. 190, 2022.
    By N. Bettache, C. Butucea, and M. Sorba

    [DOI] [Bibtex] 

    @article{Bettache2022,
author={Bettache, N. and Butucea, C. and Sorba, M.},
title={Fast nonasymptotic testing and support recovery for large sparse Toeplitz covariance matrices},
journal={Journal of Multivariate Analysis},
year={2022},
volume={190},
doi={10.1016/j.jmva.2021.104883},
art_number={104883},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85118979717&doi=10.1016%2fj.jmva.2021.104883&partnerID=40&md5=c88adb30df4b6284ce49d491e6aa24d7},
publisher={Academic Press Inc.},
}

2020

  • Local differential privacy: elbow effect in optimal density estimation and adaptation over besov ellipsoids

    Bernoulli, vol. 26, iss. 3, pp. 1727-1764, 2020.
    By C. Butucea, A. Dubois, M. Kroll, and A. Saumard

    [DOI] [Bibtex] 

    @article{Butucea20201727,
author={Butucea, C. and Dubois, A. and Kroll, M. and Saumard, A.},
title={Local differential privacy: Elbow effect in optimal density estimation and adaptation over Besov ellipsoids},
journal={Bernoulli},
year={2020},
volume={26},
number={3},
pages={1727-1764},
doi={10.3150/19-BEJ1165},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85091187918&doi=10.3150%2f19-BEJ1165&partnerID=40&md5=a553a71ab70c97f6dfa365d2aa4af54b},
publisher={International Statistical Institute},
}

2018

  • Variable selection with hamming loss

    Annals of statistics, vol. 46, iss. 5, pp. 1837-1875, 2018.
    By C. Butucea, M. Ndaoud, N. A. Stepanova, and A. B. Tsybakov

    [DOI] [Bibtex] 

    @article{Butucea20181837,
author={Butucea, C. and Ndaoud, M. and Stepanova, N.A. and Tsybakov, A.B.},
title={Variable selection with hamming loss},
journal={Annals of Statistics},
year={2018},
volume={46},
number={5},
pages={1837-1875},
doi={10.1214/17-AOS1572},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85052655230&doi=10.1214%2f17-AOS1572&partnerID=40&md5=7f43dc9716fafc6e4c886f2cabc27df8},
publisher={Institute of Mathematical Statistics},
}

  • Local asymptotic equivalence of pure states ensembles and quantum gaussian white noise

    Annals of statistics, vol. 46, iss. 6B, pp. 3676-3706, 2018.
    By C. Butucea, M. A. Gut, and M. Nussbaum

    [DOI] [Bibtex] 

    @article{Butucea20183676,
author={Butucea, C. and Gut, M.A. and Nussbaum, M.},
title={Local asymptotic equivalence of pure states ensembles and quantum Gaussian white noise},
journal={Annals of Statistics},
year={2018},
volume={46},
number={6B},
pages={3676-3706},
doi={10.1214/17-AOS1672},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85054753811&doi=10.1214%2f17-AOS1672&partnerID=40&md5=761d964ed3fffc1dc98d42ee6c59d0e9},
publisher={Institute of Mathematical Statistics},
}

  • Fast adaptive estimation of log-additive exponential models in kullback-leibler divergence

    Electronic journal of statistics, vol. 12, iss. 1, pp. 1256-1298, 2018.
    By C. Butucea, J. -F. Delmas, A. Dutfoy, and R. Fischer

    [DOI] [Bibtex] 

    @article{Butucea20181256,
author={Butucea, C. and Delmas, J.-F. and Dutfoy, A. and Fischer, R.},
title={Fast adaptive estimation of log-additive exponential models in kullback-leibler divergence},
journal={Electronic Journal of Statistics},
year={2018},
volume={12},
number={1},
pages={1256-1298},
doi={10.1214/18-EJS1413},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85045095428&doi=10.1214%2f18-EJS1413&partnerID=40&md5=b91d2045fe347a32217e3ff5257eec1b},
publisher={Institute of Mathematical Statistics},
}

2017

  • Exploratory use of structured assessment tools for the risk of recidivism in france [usage exploratoire d'outils d’évaluation structurée du risque de récidive en france]

    Annales medico-psychologiques, vol. 175, iss. 3, pp. 287-289, 2017.
    By M. Rio, N. Letto, and C. Butucea

    [DOI] [Bibtex] 

    @article{Rio2017287,
author={Rio, M. and Letto, N. and Butucea, C.},
title={Exploratory use of structured assessment tools for the risk of recidivism in France [Usage exploratoire d'outils d’évaluation structurée du risque de récidive en France]},
journal={Annales Medico-Psychologiques},
year={2017},
volume={175},
number={3},
pages={287-289},
doi={10.1016/j.amp.2017.01.014},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013471751&doi=10.1016%2fj.amp.2017.01.014&partnerID=40&md5=8b69cc67b6d94fd3990db8dc05c1d974},
publisher={Elsevier Masson SAS},
}

  • Adaptive test for large covariance matrices in presence of missing observations

    Alea (rio de janeiro), vol. 14, iss. 1, pp. 557-578, 2017.
    By C. Butucea and R. Zgheib

    [DOI] [Bibtex] 

    @article{Butucea2017557,
author={Butucea, C. and Zgheib, R.},
title={Adaptive test for large covariance matrices in presence of missing observations},
journal={Alea (Rio de Janeiro)},
year={2017},
volume={14},
number={1},
pages={557-578},
doi={10.30757/ALEA.v14-28},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85117340947&doi=10.30757%2fALEA.v14-28&partnerID=40&md5=61a7476e34002fa50609ef3587b9ba61},
publisher={Instituto Nacional de Matematica Pura e Aplicada},
}

  • Adaptive variable selection in nonparametric sparse additive models

    Electronic journal of statistics, vol. 11, iss. 1, pp. 2321-2357, 2017.
    By C. Butucea and N. Stepanova

    [DOI] [Bibtex] 

    @article{Butucea20172321,
author={Butucea, C. and Stepanova, N.},
title={Adaptive variable selection in nonparametric sparse additive models},
journal={Electronic Journal of Statistics},
year={2017},
volume={11},
number={1},
pages={2321-2357},
doi={10.1214/17-EJS1275},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85019970964&doi=10.1214%2f17-EJS1275&partnerID=40&md5=c4727a8bbde5712d1a2ee6e29109e500},
publisher={Institute of Mathematical Statistics},
}

2016

  • Sharp detection of smooth signals in a high-dimensional sparsematrix with indirect observations

    Annales de l'institut henri poincare (b) probability and statistics, vol. 52, iss. 4, pp. 1564-1591, 2016.
    By C. Butucea and G. Gayraud

    [DOI] [Bibtex] 

    @article{Butucea20161564,
author={Butucea, C. and Gayraud, G.},
title={Sharp detection of smooth signals in a high-dimensional sparsematrix with indirect observations},
journal={Annales de l'institut Henri Poincare (B) Probability and Statistics},
year={2016},
volume={52},
number={4},
pages={1564-1591},
doi={10.1214/15-AIHP689},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84997079514&doi=10.1214%2f15-AIHP689&partnerID=40&md5=a52181e209ae86ec809819137666d527},
publisher={Institute of Mathematical Statistics},
}

  • Sharp minimax tests for large toeplitz covariance matrices with repeated observations

    Journal of multivariate analysis, vol. 146, pp. 164-176, 2016.
    By C. Butucea and R. Zgheib

    [DOI] [Bibtex] 

    @article{Butucea2016164,
author={Butucea, C. and Zgheib, R.},
title={Sharp minimax tests for large Toeplitz covariance matrices with repeated observations},
journal={Journal of Multivariate Analysis},
year={2016},
volume={146},
pages={164-176},
doi={10.1016/j.jmva.2015.09.003},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84951805901&doi=10.1016%2fj.jmva.2015.09.003&partnerID=40&md5=a66ac7661c4709619f26eb02f81a497c},
publisher={Academic Press Inc.},
}

  • Sharp minimax tests for large covariance matrices and adaptation

    Electronic journal of statistics, vol. 10, iss. 2, pp. 1927-1972, 2016.
    By C. Butucea and R. Zgheib

    [DOI] [Bibtex] 

    @article{Butucea20161927,
author={Butucea, C. and Zgheib, R.},
title={Sharp minimax tests for large covariance matrices and adaptation},
journal={Electronic Journal of Statistics},
year={2016},
volume={10},
number={2},
pages={1927-1972},
doi={10.1214/16-EJS1143},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84978698631&doi=10.1214%2f16-EJS1143&partnerID=40&md5=c1fd27b141d707a87ff494d3ac36df57},
publisher={Institute of Mathematical Statistics},
}

2015

  • Sharp variable selection of a sparse submatrix in a high-dimensional noisy matrix

    Esaim - probability and statistics, vol. 19, pp. 115-134, 2015.
    By C. Butucea, Y. I. Ingster, and I. A. Suslina

    [DOI] [Bibtex] 

    @article{Butucea2015115,
author={Butucea, C. and Ingster, Y.I. and Suslina, I.A.},
title={Sharp variable selection of a sparse submatrix in a high-dimensional noisy matrix},
journal={ESAIM - Probability and Statistics},
year={2015},
volume={19},
pages={115-134},
doi={10.1051/ps/2014017},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84933532407&doi=10.1051%2fps%2f2014017&partnerID=40&md5=ca6e07028aeeae465e9875fdede9bf37},
publisher={EDP Sciences},
}

2013

  • Detection of a sparse submatrix of a high-dimensional noisy matrix

    Bernoulli, vol. 19, iss. 5 B, pp. 2652-2688, 2013.
    By C. Butucea and Y. I. Ingster

    [DOI] [Bibtex] 

    @article{Butucea20132652,
author={Butucea, C. and Ingster, Y.I.},
title={Detection of a sparse submatrix of a high-dimensional noisy matrix},
journal={Bernoulli},
year={2013},
volume={19},
number={5 B},
pages={2652-2688},
doi={10.3150/12-BEJ470},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84891934985&doi=10.3150%2f12-BEJ470&partnerID=40&md5=146bff4f1293f849fb0afc64c5d2a363},
}

  • Rank-penalized estimation of a quantum system

    Physical review a - atomic, molecular, and optical physics, vol. 88, iss. 3, 2013.
    By P. Alquier, C. Butucea, M. Hebiri, K. Meziani, and T. Morimae

    [DOI] [Bibtex] 

    @article{Alquier2013,
author={Alquier, P. and Butucea, C. and Hebiri, M. and Meziani, K. and Morimae, T.},
title={Rank-penalized estimation of a quantum system},
journal={Physical Review A - Atomic, Molecular, and Optical Physics},
year={2013},
volume={88},
number={3},
doi={10.1103/PhysRevA.88.032113},
art_number={032113},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-84884881858&doi=10.1103%2fPhysRevA.88.032113&partnerID=40&md5=844f0740e4481e6d162096bcd06c1e54},
}

2008

  • Sharp optimality in density deconvolution with dominating bias. ii

    Theory of probability & its applications, vol. 52, iss. 2, pp. 237-249, 2008.
    By C. Butucea and A. B. Tsybakov

    [Bibtex] 

    @article{butucea2008sharp,
title={Sharp optimality in density deconvolution with dominating bias. II},
author={Butucea, Cristina and Tsybakov, Alexandre B},
journal={Theory of Probability & Its Applications},
volume={52},
number={2},
pages={237-249},
year={2008},
publisher={SIAM},
}

  • Sharp optimality in density deconvolution with dominating bias. i

    Theory of probability & its applications, vol. 52, iss. 1, p. 24–39, 2008.
    By C. Butucea and A. B. Tsybakov

    [Bibtex] 

    @article{butucea2008sharp,
title={Sharp optimality in density deconvolution with dominating bias. I},
author={Butucea, Cristina and Tsybakov, Alexandre B},
journal={Theory of Probability & Its Applications},
volume={52},
number={1},
pages={24--39},
year={2008},
publisher={SIAM},
}