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Simultaneous
analysis of Lasso and Dantzig selector. Annals of Statistics, to
appear [ with Bickel, P.J., Ritov,
Y.]. Nonparametric estimation
of composite functions. Annals of Statistics, to appear [with Juditsky, A.B., Lepski O.V.] . Change-point estimation from
indirect observations 1. Minimax complexity.
Annales de l’Institut Henri Poincaré, to appear [with Goldenshluger, A., Juditsky, A., Zeevi, A.] . Change-point
estimation from indirect observations 2. Adaptation. Annales de l’Institut Henri Poincaré,
to appear [with Goldenshluger, A., Juditsky, A., Zeevi, A.] . Learning by
mirror averaging, Annals of Statistics, to appear [with Juditsky,
A., Rigollet, Ph.]. 2007 Aggregation
for Gaussian regression. Annals of Statistics, v.35, n.4,
1674-1697 (2007) [with Bunea F., Wegkamp M.]. Linear and convex aggregation
of density estimators. Mathematical Methods of Statistics, v.16,
n.3, 260-280 (2007) [with Rigollet, Ph.] . Sharp optimality
for density deconvolution with dominating bias, I. Theory of
Probability and its Applications, v.52, n.1, 111-128 (2007) [with Butucea
C.]. Sharp
optimality for density deconvolution with dominating bias, II. Theory
of Probability and its Applications, v.52, n.2, 336-349 (2007) [with
Butucea C.]. Sparsity
oracle inequalities for the Lasso. Electronic Journal of Statistics,
v.1, 169-194 (2007) [with Bunea, F., Wegkamp, M.]. Sparse
density estimation with $\ell_1$ penalties. Proceedings of 20th Annual
Conference on Learning Theory (COLT 2007), Lecture Notes in Artificial
Intelligence, v.4539 (N.H.Bshouty and C.Gentile, eds.), Aggregation
by exponential weighting and sharp oracle inequalities. Proceedings of the 20th Annual Conference on
Learning Theory (COLT 2007), Lecture Notes in Artificial Intelligence, v.4539
(N.H. Bshouty and C.Gentile, eds.), Aggregation of density
estimators and dimension reduction. Advances in Statistical Modeling and Inference.
Essays in Honor of Kjell A. Doksum (V.Nair, ed., ISBN 978-981-270-369-9),
World Fast
learning rates for plug-in classifiers. Annals of Statistics,
v.35, n.2, 608-633 (2007) [with
Audibert, J.-Y.]. Extended version: Fast learning rates for plug-in
classifiers under the margin condition. Preprint LPMA n. 998, (2005),
arXiv:math.ST/0507180.
2006 Penalized
maximum likelihood and semiparametric second order efficiency. Annals of Statistics,
v.34, n.1, 169-201 (2006) [with Dalalyan, A.S., Golubev, G.K.] Optimal
change-point estimation from indirect observations. Annals of
Statistics, v.34, n.1, 350-372 (2006) [with Goldenshluger A., Zeevi A.]. Regularization,
boosting and mirror averaging.
Discussion of ``Regularization in Statistics", by P.Bickel and
B.Li. TEST, v.15 , n.2, 303-310 (2006). Aggregation
and sparsity via $\ell_1$ penalized least squares. Proceedings of 19th
Annual Conference on Learning Theory (COLT
2006), Lecture Notes in Artificial Intelligence} v.4005 (Lugosi, G.
and Simon, H.U.,eds.), Discussion
of ``Local Rademacher complexities and oracle inequalities in risk
minimization", 2004 IMS Medallion Lecture of V.Koltchinskii. Annals
of Statistics, v.34, n.6, 2681-2687 (2006). Generalization error bounds for
aggregation by mirror descent. In:
Advances in Neural Information Processing 18. Proceedings of NIPS-2005
(Y.Weiss, B.Sch\"olkopf, J.Platt eds., ISBN 0-262-2353-7) MIT Press,
2005 Square
root penalty: adaptation to the margin in classification and in edge
estimation. Annals
of Statistics, v.33, n.3, 1203-1224 (2005)
[with van de Geer,S.]. Recursive
aggregation of estimators by the mirror descent algorithm with averaging.
Problems of Information Transmission,
v.41, n.4, 368-384 (2005) [with
Juditsky, A.B., Nazin, A.V., Vayatis, N.]. Nonparametric
Multi-Trajectory estimation. In: Data Fusion for Situation Monitoring,
Incident Detection, Alert and Response Management. NATO Science Series:
Computer & Systems Sciences, v.198 (E. Shahbazian, G. Rogova, P. Valin
eds., ISBN 1-58603-536-3), p. 709-721 (2005) [with Malyutov, M.B., Grama,
I.].
2004 Optimal
aggregation of classifiers in statistical learning. Annals of Statistics, v.32, n.1,
135-166 (2004). Correction
to "Smooth discrimination analysis". Annals of Statistics,
v.32, n.5, 2340-2341 (2004) [with Mammen, E.]. Exact
constants for pointwise adaptive estimation under the Riesz transform. Probability
Theory and Related Fields, v.129, n.3,
441-467 (2004) [with Klemel\"a J.]. Nonparametric Independent
Component Analysis. Bernoulli, v.10, n.4, 565-582 (2004) [with Samarov, A.]. Estimating the
endpoint of a distribution in the presence of additive observation errors. Statistics and Probability Letters,
v.68, 39-49 (2004) [with Goldenshluger, A.]. Testing linearity in a stochastic volatility
model. Applicationes Mathematicae, v.30, n.4, 389-412 (2004) [with
Feldmann D., Hardle W., Hafner C., Hoffmann M., Lepski O.V.]. Discussion
of ``Wavelet deconvolution in a periodic setting". Journal of the
Royal Statist. Society, Ser.B , v.66, n.3 (2004).
2003 Optimal rates of aggregation. In:Computational Learning Theory and Kernel Machines
(COLT-2003), B.Scholkopf and
M.Warmuth, eds. Lecture Notes in Artificial Intelligence, v.2777.
Springer, Optimal
prediction for linear regression with infinitely many parameters. Journal
of Multivariate Analysis, 84, n.1, 40-60 (2003) [with Goldenshluger
A.]. Block thresholding and sharp adaptive
estimation in severely ill-posed inverse problems.
Theory of Probability and its Applications, v.48, n.3, 534-556 (2003) [with Cavalier,L., Golubev, Y. Lepski,
O.].
2002 Sharp adaptation for inverse problems with
random noise. Probability
Theory and Related Fields, 123, 323-354 (2002)
[with Cavalier, L.]. Testing hypotheses about contours in images.
Journal of Nonparametric Statistics, 14, 67-85 (2002) [with Gayraud G.]. Random
rates in anisotropic regression: a discussion. Annals of Statistics,
30, n.2, 379-385 (2002). Oracle
inequalities for inverse problems. Annals of Statistics, 30, n.3, 843-874
(2002) [with Cavalier L., Golubev, G.K., Picard, D.] .
2001 Penalized blockwise Stein's
method, monotone oracles and sharp adaptive estimation. Mathematical Methods of Statistics, 10, 247-282 (2001) [with Cavalier L.]. Adaptive
prediction and estimation in linear regression with infinitely many
parameters. Annals of Statistics, 29, 1601-1619 (2001) [with
Goldenshluger A.]. Sharp adaptive estimation of linear
functionals. Annals
of Statistics, 29, 1567-1600 (2001) [with Klemela
J.].
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