Here is a list of publications and talks.
Preprints:
 C. Cartis, E. Massart, A. Otemissov, Constrained global optimization of functions with low effective dimensionality using multiple random embeddings, submitted, 2020 [Preprint].
Journal papers:
 Antoni Musolas, Estelle Massart, Julien M. Hendrickx, P.A. Absil, Youssef Marzouk, Lowrank multiparametric covariance estimation, accepted to BIT Numerical Mathematics, 2021 [Preprint].
 N.T. Son, P.Y. Gousenbourger, E. Massart, and T. Stykel, Balanced truncation for parametric linear systems using interpolation of Gramians: a comparison of algebraic and geometric approaches, Special issue on model reduction of complex dynamical systems, to appear in the Springer International Series of Numerical Mathematics, 2020. [Preprint]
 Estelle Massart, P.A. Absil, Quotient geometry with simple geodesics for the manifold of fixedrank positivesemidefinite matrices, SIAM Journal on Matrix Analysis and Applications 41(1), pp. 171198, 2020. [Preprint] . Code available in the Manopt toolbox ( symfixedrankYYfactory.m )
 PierreYves Gousenbourger, Estelle Massart, P.A. Absil, Data fitting on manifolds with composite Bézierlike curves and blended cubic splines, Journal of Mathematical Imaging and Vision, 61(5), pp. 645671 (2019) [Preprint] .
 Estelle M. Massart, Julien M. Hendrickx, PA. Absil, Matrix geometric means based on shuffled inductive sequences, Linear Algebra and its Applications, 252, pp. 334359 (2018) [Preprint] [Code] .
Conference papers:
 C. Cartis, E. Massart, A. Otemissov, Dimensionality reduction techniques for global optimization of functions with low effective dimensionality, ICML workshop “Beyond first order methods in ML systems” [Preprint] [3 minutes presentation video] .
 Benjamin Szczapa, Mohamed Daoudi, Stefano Berretti, Alberto Del Bimbo, Pietro Pala, Estelle Massart, Fitting, Comparison, and Alignment of Trajectories on Positive SemiDefinite Matrices with Application to Action Recognition Proceedings of the Human Behavior Understanding workshop, satellite workshop of ICCV, 2019 [Preprint]
 Estelle Massart, Julien M. Hendrickx, P.A. Absil, Curvature of the manifold of fixedrank positivesemidefinite matrices endowed with the BuresWasserstein metric , Proceedings of Geometric Science of Information: Fourth International Conference (GSI 2019), pp. 739748, 2019. [Preprint] [Slides]
 Nguyen Thanh Son, PierreYves Gousenbourger, Estelle Massart, P.A. Absil, Online balanced truncation for linear timevarying systems using continuously differentiable interpolation on Grassmann manifold , Proceedings of the 6th International Conference on Control, Decision and Information Technologies (CoDIT 2019), to appear, 2019. [Preprint]
 Estelle Massart, PierreYves Gousenbourger, Nguyen Thanh Son, Tatjana Stykel, P.A. Absil, Interpolation on the manifold of fixedrank positivesemidefinite matrices for parametric model order reduction: preliminary results, Proceedings of the 27th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN 2019), pages 281286, 2019 [Preprint]
 Estelle Massart, Sylvain Chevallier, Inductive means and sequences applied to online classication of EEG, Geometric Science of Information: Third International Conference (GSI 2017), Paris, France, 2017 [Preprint] [Talk]
 PierreYves Gousenbourger, Estelle Massart, Antoni Musolas, P.A. Absil, Julien M. Hendrickx, Laurent Jacques, Youssef Marzouk, PiecewiseBezier C1 smoothing on manifolds with application to wind field estimation. 25th European Symposium on Artifical Neural Networks, Computational Intelligence and Machine Learning (ESANN), Bruges, Belgium, 2017 [Preprint] .
 Estelle M. Massart, Julien M. Hendrickx, P.A. Absil, Extending a twovariable mean to a multivariable mean, 24th European Symposium on Artifical Neural Networks, Computational Intelligence and Machine Learning (ESANN), Bruges, Belgium, 2016 [Preprint] [Poster] [Code].
Other talks / poster presentations:

 Exploiting geometric structure in the data/parameter space for machine learning
 Invited seminar, SCAN seminar series Cornell University, March 2021 (virtual).

 Dimensionality reduction techniques for global optimization of functions with low effective dimensionality
 Invited seminar, National Physical Laboratory, Sept. 2020 (virtual).

 A brief introduction to Riemannian optimization
 Invited seminar, National Physical Laboratory, June 2020 (virtual).

 Overview of a quotient geometry with simple geodesics for the manifold of fixedrank positivesemidefinite matrices
 Lowrank models and applications (LRMA) workshop, Mons, Belgium, Sept. 2019.

 Quotient geometry with simple geodesics on the manifold of fixedrank positivesemidefinite matrices
 Oberwolfach miniworkshop: Computational optimization on manifolds, Nov. 2020 (virtual),
 Invited seminar, Communications in Numerical Linear Algebra seminar series (opening session), Sept. 2020 (virtual),
 Invited talk, Online Minisymposium on Lowrank Geometry and Computation, July 2020 (virtual),
 Invited seminar, Optimization group  University of Birmingham, UK, March 2020,
 Invited seminar, Alan Turing Institute, London, UK, Feb. 2020,
 Invited seminar, University of Oxford, UK, Nov. 2019,
 International Congress on Industrial and Applied Mathematics (ICIAM), Valencia, Spain, 2019 [Slides].

 Data fitting on positivesemidefinite matrices
 Invited seminar, IMT Lille Douai, 2019 [Slides].

 Injectivity radius on the manifold of fixedrank positivesemidefinite matrices
 38th Benelux meeting on systems and control, Lommel, Belgium, 2019.

 Shuffling for incremental gradient descent to compute the Riemannian barycenter
 ICML conference, Geometry for Machine Learning (GimLi 2018) workshop, Stockholm, Sweden, 2018. [Abstract] [Poster]

 EEG classification based on inductive means
 37th Benelux meeting on systems and control, Soesterberg, The Nederlands, 2018 [Abstract].
 ASCII tutorial seminar, 2017.

 Extending twovariable means to many variables
 36th Benelux meeting on systems and control, Spa, Belgium, 2017.

 Approximate matrix geometric means
 20th Conference of the International Linear Algebra Society (ILAS), Leuven, Belgium, 2016.
 35th Benelux meeting on systems and control, Soesterberg, The Nederlands, 2016. [Abstract] [Slides]