Florent Leclercq

2024

Invited Talks at International Meetings

• 12. Implicit likelihood inference from galaxy survey data with robustness to model misspecification
  24-01-2024, Simulation based inference in Astrophysics, Royal Astronomical Society Specialist Discussion Meeting, London, UK slides

Contributed Talks

• 13. Additional probes and alternative techniques for galaxy clustering
  25-01-2024, Symposium Euclid France 2024, Institut de Physique des Deux Infinis, Lyon, France slides

Other Talks

• 45. Implicit Likelihood Inference while efficiently checking for survey systematics
  01-02-2024, Euclid Galaxy Clustering Science Working Group meeting, Laboratoire d'Astrophysique de Marseille, France slides
• 44. Additional probes and alternative techniques for galaxy clustering
  31-01-2024, Euclid Galaxy Clustering Science Working Group meeting, Laboratoire d'Astrophysique de Marseille, France slides

2023

Contributed Talks

• 12. Dealing with systematic effects: the issue of robustness to model misspecification
  28-11-2023, Debating the potential of machine learning in astronomical surveys #2 conference, Institut d'Astrophysique de Paris, Paris, France slides

Other Talks

• 43. Simulation-based inference pipelines for Euclid data
  21-06-2023, Euclid Consortium meeting 2023, Copenhagen, Danemark slides
• 42. Likelihood-free large-scale structure inference with robustness to model misspecification
  15-06-2023, Cosmology & Gravitation seminar, Oskar Klein Centre, Stockholm University, Stockholm, Sweden slides

2022

Invited Talks at International Meetings

• 11. Forward modelling the large-scale structure: field-level and implicit likelihood inference
  29-11-2022, Rubin LSST France meeting, Laboratoire de physique nucléaire et de hautes énergies, Paris, France slides

Invited Seminars

• 17. Hopes and challenges in information science for cosmology
  21-10-2022, IAP colloquium, Institut d'Astrophysique de Paris, Paris, France slides
• 16. High-performance computing and high-performance data analysis in cosmology
  06-07-2022, Maison de la Simulation, CEA, Saclay, France slides

Contributed Talks

• 11. SELFI enhanced: robustness to model misspecification and Euclid forecast
  28-11-2022, Euclid France Theory and Likelihood workshop, Institut d'Astrophysique de Paris, Paris, France slides
• 10. Simulation-based inference of Bayesian hierarchical models while checking for model misspecification
  19-07-2022, 41st MaxEnt2022 Conference, Institut Henri Poincaré, Paris, France slides proceedings

Other Talks

• 41. Hopes and challenges in data science for cosmology
  15-12-2022, ASNUM2022 : Journées de l'Action Spécifique Numérique de l'INSU, Lyon, France slides
• 40. Perfectly parallel cosmological simulations using spatial comoving Lagrangian acceleration
  17-11-2022, Colloque national action Dark Energy 2022, Marseille, France slides
• 39. Simulation-based inference, Bayesian hierarchical models, and model misspecification
  15-09-2022, Simons Collaboration on Learning the Universe, Annual Meeting 2022 (remote presentation), New York, USA slides
• 38. Thème : Grandes Structures & Projet : Euclid
  16-05-2022, Séminaire interne de l'IAP, Jardins de l'Anjou, Mauges-sur-Loire, France slides
• 37. Forward modelling the large-scale structure: perfectly parallel simulations and simulation-based inference
  20-01-2022, London Cosmology Discussion Meeting (remote presentation), Royal Astronomical Society, London, UK slides

2021

Invited Seminars

• 15. Bayesian analyses of galaxy surveys
  24-11-2021, Astrophysics Group, Imperial College London (remote seminar), London, UK slides
• 14. Bayesian analyses of galaxy surveys
  09-06-2021, School of Physics and Astronomy, Queen Mary University of London (remote seminar), London, UK slides

2020

Invited Talks at International Meetings

• 10. The multi-stream local Universe
  28-01-2020, The Cosmic Web in the Local Universe, workshop at the Lorentz Center, Leiden, The Netherlands slides

Invited Seminars

• 13. Perfectly parallel cosmological simulations using spatial comoving Lagrangian acceleration
  06-04-2020, Institute for Advanced Study/Princeton University Joint Astrophysics Colloquium (remote seminar), Princeton, New Jersey, USA slides

Other Talks

• 36. Forward modelling the large-scale structure: perfectly parallel simulations and simulation-based inference
  12-10-2020, Colloque Action Dark Energy (remote presentation), France slides
• 35. Galaxy Clustering with Likelihood-Free Inference (GCLFI project): Prospects and Forecasts for Euclid
  20-04-2020, Euclid Galaxy Clustering Science Working Group (remote presentation) slides
• 34. Perfectly parallel cosmological simulations using spatial comoving Lagrangian acceleration
  07-04-2020, "Journal-club Univers" at the Institut d'Astrophysique de Paris (remote presentation), Paris, France slides
• 33. Simulator Expansion for Likelihood-Free Inference, Prospects for Euclid
  04-02-2020, Euclid (GC-WL-CG-LE3) meeting, Institut d'Astrophysique de Paris, Paris, France slides

2019

Invited Talks at International Meetings

• 9. Primordial power spectrum and cosmology from black-box galaxy surveys, Prospects for Euclid
  12-12-2019, CoSyne: Cosmological Synergies in the upcoming decade, conference at the Institut d'Astrophysique de Paris, Paris, France slides
• 8. Cosmic web analysis and information theory
  17-06-2019, The Cosmic Web: From Galaxies to Cosmology, workshop at the Higgs Centre, Royal Observatory, Edinburgh, UK slides
• 7. Bayesian inference with black-box cosmological models
  30-05-2019, Machine Learning in Astronomy, Royal Statistical Society workshop at Lancaster University, Lancaster, UK slides

Invited Seminars

• 12. Bayesian analyses of galaxy surveys
  11-11-2019, Cosmology lunch seminar, DAMTP, Institute of Astronomy & Cavendish Astrophysics, University of Cambridge, Cambridge, UK slides
• 11. Bayesian analyses of galaxy surveys
  02-05-2019, Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse, France slides

Contributed Talks

• 9. Likelihood-free inference from galaxy surveys, Prospects for Euclid
  27-06-2019, CosmoGold, The golden age of cosmology from Planck to Euclid, Institut d'Astrophysique de Paris, Paris, France slides

Other Talks

• 32. Simulator Expansion for Likelihood-Free Inference, Prospects for Euclid
  17-12-2019, Euclid UK 2019 meeting, Royal Astronomical Society, London, UK slides
• 31. Bayesian inference with black-box cosmological models
  20-09-2019, Approximate Bayesian Computation and novel Bayesian approaches in cosmostatistics, workshop at the Université Clermont-Auvergne, Clermont-Ferrand, France slides
• 30. The Cosmic Web: Theory, Simulations, Observations, Reconstructions
  31-07-2019, Review talk, Astrophysics Group, Imperial College London, London, UK slides
• 29. Bayesian analyses of galaxy surveys
  08-07-2019, Cosmology group, Laboratoire Astroparticule & Cosmologie (APC), Paris, France slides
• 28. Density reconstruction via Bayesian large-scale structure inference
  05-06-2019, Euclid Consortium meeting 2019, Helsinki, Finland slides
• 27. Likelihood-free inference techniques for cosmology
  22-03-2019, The Most Ancient Heavens, conference at the Royal Astronomical Society, London, UK slides

2018

Invited Talks at International Meetings

• 6. Bayesian optimisation for likelihood-free cosmological inference
  22-10-2018, Conference "Methods for Statistical Inference" during the IHP Trimester 2018: Analytics, Inference, and Computation in Cosmology, Institut Henri Poincaré, Paris, France slides
• 5. Cosmic web analysis and Information Theory
  06-07-2018, The Information Universe symposium, Groningen, The Netherlands slides

Invited Seminars

• 10. Methods for Cosmic Web Analysis
  29-10-2018, Seminar during the IHP Trimester 2018: Analytics, Inference, and Computation in Cosmology, Institut Henri Poincaré, Paris, France slides
• 9. Bayesian large-scale structure inference, likelihood-based and likelihood-free approaches
  13-04-2018, Astrophysics seminar, University of Helsinki, Helsinki, Finland slides
• 8. Bayesian large-scale structure inference, likelihood-based and likelihood-free approaches
  31-01-2018, Astrophysics Group, Imperial College London, London, UK slides

Other Talks

• 26. Density reconstruction via Bayesian large-scale structure inference
  17-12-2018, Euclid UK meeting 2018, University of Oxford, Oxford, UK slides
• 25. Inference with generative cosmological models
  20-06-2018, Astrophysics Group, University College London, London, UK slides
• 24. Simulation-based large-scale structure inference
  23-01-2018, "Journal-club Univers" at the Institut d'Astrophysique de Paris, Paris, France slides

2017

Invited Seminars

• 7. Farewell talk
  16-05-2017, Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, UK slides

Contributed Talks

• 8. How is the cosmic web woven? Inference with generative cosmological models
  28-08-2017, COSMO17 conference, Paris, France slides

Other Talks

• 23. Bayesian optimisation for likelihood-free cosmological inference
  29-03-2017, Theory group meeting, Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, UK slides
• 22. Cosmic web analysis in the SDSS main galaxy sample and implications for galaxy colors
  26-01-2017, "Journal-club Galaxies" at the Institut d'Astrophysique de Paris, Paris, France slides
• 21. The phase-space structure of nearby dark matter
  24-01-2017, "Journal-club Univers" at the Institut d'Astrophysique de Paris, Paris, France slides

2016

Invited Talks at International Meetings

• 4. Bayesian large-scale structure inference
  08-07-2016, BAO & RSD: dark light on obscure acronyms, workshop at the Sexten-CfA, Sesto, Italy slides
• 3. Cosmic web analysis and information theory: some recent results
  10-06-2016, Mapping the Cosmic Web: A Frontier in Cosmology and Astrophysics, workshop at the Royal Astronomical Society, London, UK slides

Invited Seminars

• 6. How is the cosmic web woven? A Bayesian approach
  22-06-2016, Special Universe talk at the Excellence Cluster Universe, Garching, Germany slides
• 5. Probabilistic large-scale structure inference, cosmic web analysis and information theory
  25-04-2016, University of Sussex, Brighton, UK slides

Contributed Talks

• 7. Cosmic web analysis and information theory: some recent results
  26-05-2016, Statistical Challenges in 21st Century Cosmology, Chania, Crete, Greece slides
• 6. Cosmic web analysis and information theory: some recent results
  13-01-2016, Statistical sampling and non-sampling methods in cosmology, workshop at the University of California, Berkeley, California, USA slides

Other Talks

• 20. The phase-space structure of nearby dark matter as constrained by the SDSS main galaxy sample
  15-12-2016, ICAP meeting, Institut d'Astrophysique de Paris, Paris, France slides
• 19. Cosmic web analysis with the BORG SDSS run
  31-10-2016, Bayesian large-scale structure workshop, Max-Planck-Institut für Astrophysik, Garching, Germany slides
• 18. Cosmic web analysis and information theory: some recent results
  05-01-2016, "Journal-club Univers" at the Institut d'Astrophysique de Paris, Paris, France slides

2015

Invited Seminars

• 4. Bayesian large-scale structure inference and cosmic web analysis
  08-12-2015, Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, UK slides
• 3. Bayesian large-scale structure inference and cosmic web analysis
  02-03-2015, GReCO seminar, Institut d'Astrophysique de Paris, Paris, France slides

Contributed Talks

• 5. Probabilistic cartography of the large-scale structure
  21-08-2015, Rencontres du Vietnam 2015: Cosmology 50 years after CMB discovery, Quy Nhon, Vietnam slides proceedings
• 4. How is the Cosmic Web Woven? A Bayesian Approach
  14-05-2015, Advanced Workshop on Cosmological Structures from Reionization to Galaxies: Combining Efforts from Analytical and Numerical Methods, ICTP, Trieste, Italy slides

Other Talks

• 17. Bayesian large-scale structure inference and cosmic web analysis
  24-09-2015, PhD defence, Institut d'Astrophysique de Paris, Paris, France slides
• 16. Bayesian large-scale structure inference and cosmic web analysis
  30-04-2015, Large-scale structure group meeting, Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth, UK slides
• 15. Bayesian large-scale structure inference and cosmic web analysis
  03-04-2015, Journée des thèses, Institut d'Astrophysique de Paris, Paris, France slides
• 14. Bayesian large-scale structure inference and cosmic web analysis
  05-03-2015, ICAP meeting, Institut d'Astrophysique de Paris, Paris, France slides
• 13. Cosmic order and complexity
  25-02-2015, YMCA, Institut d'Astrophysique de Paris, Paris, France slides

2014

Invited Talks at International Meetings

• 2. Constrained simulations of the dynamic cosmic web
  27-11-2014, Deciphering the dynamic Universe, confronting predictions with observations, workshop at the Max-Planck-Institut für Astrophysik, Garching, Germany slides
• 1. Bayesian inference of dark matter voids in galaxy surveys
  21-08-2014, Cosmic Voids in the Next Generation of Galaxy Surveys, workshop at CCAPP, Columbus, Ohio, USA slides

Invited Seminars

• 2. How did structure appear in the Universe? A Bayesian approach
  09-12-2014, Physics Division Research Progress Meeting, Lawrence Berkeley National Laboratory, Berkeley, California, USA slides
• 1. Bayesian chrono-cosmography
  03-09-2014, Institute for Advanced Studies, Princeton, New Jersey, USA slides

Contributed Talks

• 3. How did structure appear in the Universe? A Bayesian approach
  27-08-2014, COSMO 2014 conference, Chicago, Illinois, USA slides
• 2. Bayesian inference of the initial conditions from large-scale structure surveys
  26-06-2014, The Zel'dovich Universe: Genesis and Growth of the Cosmic Web, IAU Symposium 308, Tallinn, Estonia slides proceedings
• 1. Bayesian large-scale structure inference: initial conditions and the cosmic web
  25-05-2014, Statistical Challenges in 21st Cosmology, IAU Symposium 306, Lisbon, Portugal slides proceedings

Posters

• 1. Bayesian inference of dark matter voids in galaxy surveys
  22-03-2014, Rencontres de Moriond Cosmology 2014, La Thuile, Italy slides proceedings

Other Talks

• 12. Cosmic order and complexity
  12-12-2014, Elbereth 2014 conference, Institut d'Astrophysique de Paris, Paris, France slides
• 11. Bayesian inference and cosmic web classification
  15-05-2014, ICAP meeting, Institut d'Astrophysique de Paris, Paris, France slides
• 10. Bayesian large-scale structure inference: initial conditions and cosmic voids
  09-04-2014, YMCA, Institut d'Astrophysique de Paris, Paris, France slides
• 9. Bayesian inference of the initial conditions from large-scale structure surveys
  14-03-2014, Journée des thèses, Institut d'Astrophysique de Paris, Paris, France slides

2013

Other Talks

• 8. Cosmostatistics: the initial conditions and the large-scale structure of the Universe
  27-11-2013, Elbereth 2013 conference, Institut d'Astrophysique de Paris, Paris, France slides
• 7. Cosmostatistics: the initial conditions and the large-scale structure of the Universe
  20-11-2013, PhD, Astroparticules & Cosmologie, Paris, France slides
• 6. Cosmostatistics: the initial conditions and the large-scale structure of the Universe
  09-11-2013, Strings, Cosmology and Gravity Student Conference 2013, Max-Planck-Institute for Physics, Munich, Germany slides
• 5. Cosmostatistics: the initial conditions and the large-scale structure of the Universe
  09-07-2013, Post-Planck Cosmology Summer School, Les Houches, France slides
• 4. The initial conditions and the large-scale structure of the Universe
  12-06-2013, YMCA, Institut d'Astrophysique de Paris, Paris, France slides
• 3. Optimizing Lagrangian perturbation theory in the mildly non-linear regime of cosmic structure formation via one-point remapping
  26-04-2013, Institute for Advanced Studies, Princeton, New Jersey, USA slides
• 2. The large-scale structure of the Universe as a probe of primordial physics
  29-03-2013, Journée des thèses, Institut d'Astrophysique de Paris, Paris, France slides

2012

Other Talks

• 1. Large-scale structure and cosmic voids as probes of primordial physics
  12-12-2012, Elbereth 2012 conference, Institut d'Astrophysique de Paris, Paris, France slides