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Angelika Rohde (University of Freiburg) “Sharp adaptive similarity testing with pathwise stability for ergodic diffusions”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 28th of Novembre 2022 Place: Room 3001 Angelika Rohde (University of Freiburg) "Sharp adaptive similarity testing with pathwise stability for ergodic diffusions" Abstract:Within the nonparametric diffusion model, we develop a multiple test to infer about similarity of an unknown drift $b$ to […]

Marylou GABRIE (Ecole polytechnique) “Opportunities and Challenges in Enhancing Sampling with Learning”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 16th of January 2023 Place: Room 3001 Marylou GABRIE (Ecole polytechnique) “Opportunities and Challenges in Enhancing Sampling with Learning” Abstract: Deep generative models parametrize very flexible families of distributions able to fit complicated datasets of images or text. Virtually, these models provide […]

Lénaïc CHIZAT (EPFL) – “Grid-free, Debiaised, Stable Entropic Wasserstein Barycenters”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 23th of January 2023 Place: Room 3001 Lénaïc CHIZAT (EPFL) “Grid-free, Debiaised, Stable Entropic Wasserstein Barycenters” Abstract: The notion of "Wasserstein barycenter" is a natural way to define the average a family of probability measures but suffer from a high computational and […]

Eftychia SOLEA (CREST-ENSAI) “High-dimensional Nonparametric Functional Graphical Models via the Functional Additive Partial Correlation Operator ”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 30th of January 2023 Place: Room 3001   Eftychia SOLEA (CREST-ENSAI) - “High-dimensional Nonparametric Functional Graphical Models via the Functional Additive Partial Correlation Operator ” Abstract: This article develops a novel approach for estimating a high-dimensional and nonparametric graphical model for functional […]

Francesca CRUCINIO (CREST) – “A divide conquer sequential Monte Carlo approach to high dimensional filtering ”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 6th of Febuary 2023 Place: Room 3001   Francesca CRUCINIO (CREST) - “A divide conquer sequential Monte Carlo approach to high dimensional filtering ”   Abstract: We propose a divide-and-conquer approach to filtering which decomposes the state variable into low-dimensional components to […]

Austin STROMME (MIT) – “Statistical optimal transport: barycenters and entropic regularization”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 6th of March 2023 Place: Room 3001 + ZOOM   Austin STROMME - "Statistical optimal transport: barycenters and entropic regularization" https://zoom.us/j/98407728890?pwd=aEgzaVJvd0xCZEZnTUg5emtIRGJYZz0 Abstract: Optimal transport (OT) is a popular paradigm for comparing and interpolating datasets using a minimum energy criterion, and gives rise […]

Guillaume MAILLARD (Luxembourg) – “Robust density estimation in total variation under a shape constraint”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 20th of March 2023 Place: Room 3001 + ZOOM   Guillaume MAILLARD (Luxembourg) - "Robust density estimation in total variation under a shape constraint" https://zoom.us/j/97598416342?pwd=WHBmY1hjTHdSV0N5TXNEU01VWGxudz09 Code secret : 387963   Abstract: We solve the problem of estimating the distribution of presumed i.i.d […]

Simon MAURAS (Université Tel Aviv) – “Truthful Matching with Online Items and Offline Agents”

Statistical Seminar: Every Monday at 2:00 pm. Time: 4:00 pm - 5:35 pm Date: 22th of March 2023 Place: Room 3001   Simon MAURAS (Université Tel Aviv) - "Truthful Matching with Online Items and Offline Agents"   Abstract: Preprint available here: https://arxiv.org/abs/2211.02004 We study truthful mechanisms for welfare maximization in online bipartite matching. In our setting, […]

Radu-Alexandru DRAGOMIR (EPFL) – “Optimization method for quartic problems”

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 27th of March 2023 Place: Room 3001 + ZOOM   Radu-Alexandru DRAGOMIR (EPFL) - "Optimization method for quartic problems"   Abstract: Many tasks in signal processing and learning require minimizing quartic polynomials, such as matrix factorization, phase retrieval and sensor network localization.  […]

Dmitrii OVSTROSKI – “Fast and optimal algorithm for online portfolio, and beyond “

Statistical Seminar :  Time: 5:00 pm - 6:00 pm Date: 30th of March 2023 Place: Room 3001 + ZOOM   Dmitrii OVSTROSKI - "Fast and optimal algorithm for online portfolio, and beyond "   https://ecolepolytechnique.zoom.us/j/84450260075​    Abstract: In his seminal 1991 paper, Thomas M. Cover introduced a simple and elegant mathematical model for stock trading, […]

Anru ZHANG (Duke University) – TO BE ANNOUNCED (via Zoom)

Statistical Seminar: Every Monday at 2:00 pm. Time: 2:00 pm - 3:15 pm Date: 3th of April 2023 Place: Room 3001   Anru ZHANG (Duke University) - TO BE ANNOUNCED (via Zoom)   Abstract:       Organizers: Cristina BUTUCEA (CREST), Alexandre TSYBAKOV (CREST), Karim LOUNICI (CMAP) , Jaouad MOURTADA (CREST) Sponsors: CREST-CMAP

Claire BOYER (Sorbonne Université) – “Is interpolation benign for random forest regression ?”

Statistical Seminar:  Time: 09:45 am - 11:00 am Date: 5th of April 2023 Place: Room 3001 + ZOOM   Claire BOYER (Sorbonne Université) - "Is interpolation benign for random forest regression ?"   https://zoom.us/j/94418482642?pwd=WGxBcnh2bE5MMEhENTVYQm9sR1NyZz09    Abstract: Statistical wisdom suggests that very complex models, interpolating training data, will be poor at predicting unseen examples.Yet, this aphorism […]

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