Conférences recherche

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Geometry of Killing horizons, lectures at the thematic programme Quantum and classical fields interacting with geometry (Institut Heni Poincaré, Paris, France, 18-21 March 2024)
Introduction to black hole thermodynamics, lectures at the Albert Einstein Institute (Potsdam, Germany, 6-7 December 2023)
Symbolic calculus on manifolds with SageMath, seminar at the Albert Einstein Institute (Potsdam, Germany, 5 December 2023)
Symbolic tensor calculus with SageMath, invited talk at European Einstein Toolkit Meeting 2023 (Universidade de Aveiro, Portugal, 22 June 2023)
Computer algebra on manifolds with applications to gravity, invited talk at Journées relativistes de Tours (Institut Denis Poisson, Tours, France, 31 May 2023)
Symbolic computations in general relativity with SageMath, invited talk at Journée thématique autour de la relativité (École Polytechnique, Palaiseau, France, 9 May 2023)
SageManifolds: tensor calculus and differential geometry with SageMath, talk at Café du Groupe Calcul (CNRS) (online, 6 March 2023) [video]
Differential geometry with SageMath, invited talk at Rencontres du GdR Géometrie Différentielle et Mécanique (ENS Paris-Scalay, France, 23-25 November 2022)
Black holes: myths and facts, seminar at Laboratoire Astroparticule et Cosmologie, (Paris, France, 21 March 2022)
SageMath: an introduction, talk at Café du Groupe Calcul (CNRS) (online, 14 March 2022) [video]
Basics of black hole physics, lectures at School on Black Holes and Gravitational Waves (Chennai, India, online, 17-22 January 2022) [video]
Detecting bodies orbiting the Galactic Center black hole Sgr A* with LISA, talk at Journée LISA de l'Observatoire de Paris, (Paris, France, 10 December 2021)
Differential geometry with SageMath and applications to gravity, invited talk at the conference NEB-19 Recent Developments in Gravity (Athens, Greece, online, 20-23 September 2021) [video]
Computational differential geometry with applications to gravitational physics, seminar at Yukawa Institute for Theoretical Physcis (Kyoto, Japan, online, 10 December 2020)
Pseudo-Riemannian manifolds in SageMath: the Schwarzschild spacetime example, invited talk at Global Virtual Sage Days 110 (online, 29 October 2020) [video]
The kerrgeodesic_gw SageMath package, invited talk at Black Hole Perturbation Toolkit Spring 2020 Workshop (online, 25 May 2020) [video]
Pictures of the interior of a Kerr black hole, talk at Relativité et Objets Compacts team meeting (online, 14 April 2020)
Holographic computations with SageMath, invited talk at Holographic QCD at high densities, neutron stars and gravitational waves (APC, Paris, France, 27 November 2019)
(Numerical and) symbolic general relativity, invited talk at Journée Thématique Ondes Gravitationnelles (ENS Lyon, France, 17 October 2019)
LISA: a primordial black hole detector?, talk at 2e Assemblée générale du GdR Ondes Gravitationnelles (Lyon, France, 10-11 October 2019)
Detecting bodies orbiting the Galactic Center black hole Sgr A* with LISA, talk at the 22nd International Conference on General Relativity and Gravitation / 13th Edoardo Amaldi Conference on Gravitational Waves (Valencia, Spain, 7-12 July 2019)
GR computations with the Python-based free computer algebra system SageMath, talk at the 22nd International Conference on General Relativity and Gravitation / 13th Edoardo Amaldi Conference on Gravitational Waves (Valencia, Spain, 7-12 July 2019)
Black holes: from theory to the first image, seminar at GANIL & Université Caen Normandie (Caen, France, 17 June 2019) [video]
A short history of black holes images, talk at Laboratoire Univers et Théories (Observatoire de Paris, Meudon, France, 12 June 2019)
Gravitational waves from star-like objects orbiting the Galactic Center black hole, seminar at Laboratoire Lagrange (Observatoire de la Côte d'Azur, Nice, France, 11 June 2019)
Gravitational waves in LISA band from bodies orbiting the Galactic Center black hole, talk at Workshop on Wave Forms (GdR Ondes Gravitationnelles) (Institut d'Astrophysique de Paris, France, 20 May 2019)
Probing the vicinity of the Galactic Center black hole with LISA, talk at XI Black Holes Workshop (Instituto Superior Técnico, Lisbon, Portugal, 17-18 December 2018)
Probing the vicinity of the Galactic Center black hole with LISA, talk at 1st LISA Astrophysics Working Group Workshop (Paris, France, 12 December 2018)
Exploring black hole spacetimes with SageManifolds, talk at Journées Théorie PNHE (Paris, France, 1 October 2018)
Introduction to black hole physics, lectures at Gravitational Waves 2018 (École de Physique des Houches, France, 3-11 July 2018)
General relativity computations with SageManifolds, talk at Journée GPhys 2018 (Paris, France, 8 June 2018)
A short introduction to SageMath, seminar at Laboratoire de Mathématiques de Bretagne Atlantique (Université de Bretagne Occidentale, Brest, France, 16 April 2018)
Testing general relativity with the Galactic central black hole, seminar at Laboratoire d'Annecy de Physique des Particules (Annecy, France, 16 March 2018)
Observing black holes: a new astrophysics, presentation at Les trous noirs : leur nature, et leur rôle en physique et en astrophysique (Académie des Sciences, Paris, France, 13 February 2018) [video]
Symbolic tensor calculus on manifolds, lectures at Journées Nationales de Calcul Formel 2018 (Centre International de Rencontres Mathématiques, Luminy, Marseille, France, 22-26 January 2018) [video 1] [video 2] [supplementary material]
Testing gravitation theories with the Event Horizon Telescope and GRAVITY, invited talk at La Gravitation, journée de la Division Champs et Particules de la Société Française de Physique (APC, Paris, France, 22 November 2017)
Causality and singularities in relativistic spacetime, seminar in the framework of the inter-university program Histoire et Philosophie des Sciences (HiPhiS) (Montpellier, France, 14 November 2017)
Testing the Kerr black hole hypothesis with observations of Sgr A*, invited talk at Modern Aspects of Gravity and Cosmology (Orsay, France, 8 November 2017)
The black hole no-hair theorem, invited talk at IPTA 2017 (Sèvres, France, 5 July 2017)
The Galactic central black hole and the no-hair theorem, lecture at IPTA 2017 Student Workshop (Sèvres, France, 29 June 2017)
Black holes, a centenary after the birth of general relativity, seminar at Steklov Mathematical Institute (Moscow, Russia, 22 May 2017)
A history of black holes, from a physicist perspective, seminar at Institut des Hautes Études de Belgique (Brussels, Belgium, 26 April 2017)
A new observational era for black holes, seminar at Observatoire Midi-Pyrénées (Toulouse, France, 14 March 2017) [video]
Differential geometry with SageMath, invited talk at the workshop Geometry and Computer Science (Pescara, Italy, 8 February 2017)
Testing general relativity via observations of black hole surroundings, invited talk at CoCoNuT Meeting 2016 (Valencia, Spain, 16 December 2016)
100 years of black hole physics, leçon inaugurale de la Chaire Georges Lemaître (CP3, Louvain-la-Neuve, Belgium, 28 November 2016)
General relativity computations with SageManifolds, lecture at NewCompStar School 2016 - "Neutron stars: gravitational physics theory and observations" (Coimbra, Portugal, 6 September 2016)
Black holes, at the dawn of a new observational era, séminaire général de l'UFR de Physique de l'Université Paris Diderot (Paris, 3 June 2016)
Black holes, a centenary after the birth of general relativity, Solvay colloquium at International Solvay Institutes (Université Libre de Bruxelles, Belgium, 15 March 2016)
Black holes in the centenary year of general relativity, seminar at Institut d'Astrophysique de Paris (Paris, 27 November 2015) [video]
Exploring black hole spacetimes with SageManifolds, invited talk at the workshop One Hundred Years of Strong Gravity (Instituto Superior Técnico, Lisbon, Portugal, 10-12 June 2015)
Tensor calculus with SageManifolds, seminar at GReCO, Institut d'Astrophysique de Paris (Paris, 18 May 2015)
The SageManifolds project: differential geometry with a computer, seminar at Institut de Recherche Mathématique de Rennes (Université Rennes I, France, 13 May 2015)
The SageManifolds project: differential geometry with a computer, seminar at Laboratoire de Mathématiques de Bretagne Atlantique (Université de Bretagne Occidentale, Brest, France, 10 April 2015)
SageManifolds, talk at Sage Days 64 (University of California, Davis, USA, 17-20 March 2015)
Black holes and tests of gravitation, présentation dans le cadre du cours de Frédéric Daigne Trous noirs, étoiles à neutrons et phénomènes associés à l'École Polytechnique (Palaiseau, France, 27 January 2015)
Exploring black hole spacetimes with computers, invited talk at 94e rencontre entre mathématiciens et physiciens théoriciens : Riemann, Einstein et la geométrie (Institut de Recherche Mathématique Avancée, Strasbourg, France, 18-20 September 2014)
Tensor calculus with free softwares: the SageManifolds project, invited talk at Spanish Relativity Meeting 2014 (Valencia, Spain, 1-5 September 2014) [video]
Black holes and tests of gravitation, invited talk at Semaine de l'Astrophysique Française (Université Paris Diderot, Paris, 3-6 June 2014)
Black hole horizons, review talk at SN2NS Workshop (Palais de la Découverte, Paris, 3-5 February 2014)
General relativity calculus with SageManifolds, talk at CoCoNuT Meeting 2013 (Meudon, 4-6 December 2013)
SageManifolds: A free tool for differential geometry and tensor calculus, seminar at Laboratoire Astro-Particules et Cosmologie, Université Paris Diderot (Paris, 12 November 2013)
SageManifolds: A free package for differential geometry and tensor calculus, talk at 20th International Conference on General Relativity and Gravitation (Warsaw, Poland, 7-13 July 2013)
SageManifolds: A free package for differential geometry, invited talk at Asymptotic Analysis in General Relativity (Cergy-Pontoise, France, 13-14 juin 2013)
Black hole physics: recent developments and observational perspectives, invited talk at Semaine de l'Astrophysique Française (Montpellier, France, 4-7 June 2013)
Imaging numerical spacetimes, invited talk at the YITP Long-Term Workshop on Gravitational Waves and Numerical Relativity (Kyoto, Japan, 19 may - 22 June 2013)
Gravitational waves: a brief overview, invited talk at the Workshop GRAMAP (Paris, France, 10-12 April 2013)
Gravitational waves and black holes, présentation dans le cadre du cours de Frédéric Daigne Trous noirs, étoiles à neutrons et phénomènes associés à l'École Polytechnique (Palaiseau, France, 19 March 2013)
Black hole physics entering a new observational era, seminar at Laboratoire de Mathématiques et Physique Théorique (Tours, France, 29 November 2012)
Spacetimes of rotating stars and black holes, illustrations of the lectures given at NS Synergy 2012 Workshop / School (Opava, Czech Republic, 1-6 October 2012)
Notes sur la mesure de la vitesse des neutrinos dans l'expérience OPERA, présentation au Café+ du LUTH (Meudon, 5 octobre 2011)
Magnetohydrodynamics in stationary and axisymmetric spacetimes: a geometrical approach, seminar at GReCO, Institut d'Astrophysique de Paris (7 March 2011)
Magnetohydrodynamics in stationary and axisymmetric spacetimes: a geometrical approach, invited talk at the workshop Black Holes, General Relativity, Waves (Roscoff, France, 8-10 November 2010)
A geometrical approach to relativistic magnetohydrodynamics, invited talk at the 20th workshop on General Relativity and Gravitation in Japan (JGRG20) (Kyoto, Japan, 21-25 September 2010)
Magnetized binary compact objects, talk at the 19th International Conference on General Relativity and Gravitation (GR19) (Mexico City, Mexico, 5-9 July 2010)
Special relativity from an accelerated observer perspective, seminar at IMCEE and SYRTE, Observatoire de Paris (14 June 2010)
A geometrical approach to relativistic magnetohydrodynamics, invited talk at Journées Aspects géométriques de la relativité générale, Institut Élie Cartan (Nancy, France, 8-9 June 2010)
Black holes: from event horizons to trapping horizons, seminar at CERN Theory Division (CERN, Geneva, Switzerland, 17 March 2010)
Constraining the dense matter equation of state with gravitational wave astrophysics, seminar at Instytut Matematyczny Polskiej Akademii Nauk (Warsaw, Poland, 22 January 2010)
Black holes: from event horizons to trapping horizons, seminar at Laboratoire d'Astrophysique de Toulouse-Tarbes (Toulouse, 10 December 2009)
Constrained schemes for evolving the 3+1 Einstein equations, invited talk at the CoCoNuT meeting 2009 (Valencia, Spain, 4-6 November 2009)
Black holes: from event horizons to trapping horizons, seminar at Laboratoire de Physique Théorique, Université Paris Sud (Orsay, 14 October 2009)
Trapping horizons and black holes, seminar at Département de mathématiques, Université de Bretagne Occidentale (Brest, 5 June 2009)
Black holes: from event horizons to trapping horizons, seminar at Institut Non Linéaire de Nice (Sophia Antipolis, 2 April 2009)
Constraints on dense matter equation of state from gravitational wave astrophysics, seminar at Institut de Physique Nucléaire (Université Paris-Sud, Orsay, 19 January 2009)
Black holes as trapping horizons, seminar at Centrum Astronomiczne im. M. Kopernika (Warsaw, Poland, 17 November 2008)
Full constrained formulations of Einstein's equations, invited talk at the Conference Numerical Modelling of Astrophysical Sources of Gravitational Radiation (Universidad Internacional Menéndez Pelayo, Valencia, Spain, 8-12 September 2008)
New approaches to black holes, seminar at the Okinawa National College of Technology (Nago, Okinawa, Japan, 18 August 2008)
Black holes and gravitational waves: general relativity at work, seminar at the Faculty of Science, University of the Ryukyus (Nishihara, Okinawa, Japan, 11 August 2008)
Lectures at the 2008 International Summer School on Computational Methods in Gravitation and Astrophysics (Asia Pacific Center for Theoretical Physics, Pohang, Korea, 28 July - 1 August 2008):
- 3+1 formalism in general relativity
- The initial data problem for 3+1 numerical relativity (part 1)
- The initial data problem for 3+1 numerical relativity (part 2)
- Trapping horizon approach to black holes
Modelling black holes as trapping horizons, invited talk at the Post Newton 2008 International Workshop (Jena, Germany, 11-14 June 2008)
A viscous fluid analogy for trapping and dynamical horizons, invited talk at the Conference Geometry, Topology, QFT and Cosmology(Paris, 28-30 May 2008)
Compact objects and strange quark stars, review talk at Journées Physique Nucléaire de la SFP (Nantes, 13-14 May 2008)
Géométrisation du critère de simultanéité d'Einstein et mesure des temps et des distances, presentation at Journée sur la Mesure en Physique (LUTH, Observatoire de Paris, Meudon, 23 November 2007)
New theoretical approaches to black holes, invited talk at Jean-Pierre Lasota Conference (Trzebieszowice Castle, Ladek Zdroj, Poland, 7-13 October 2007)
Neutron stars: from astrophysics to nuclear physics, presentation at LEA Astro-PF (Meudon, 4 October 2007)
Objets compacts et matière dense, presentation at Journée de l'Astroparticule, (CNRS, Paris, 7 September 2007)
New theoretical perspectives on black holes, seminar at Departamento de Gravitacion y Teoria de Campos, Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico (Mexico City, Mexico, 5 December 2006)
Construction of initial data for 3+1 numerical relativity, lectures given at the VII Mexican School on Gravitation and Mathematical Physics (Playa del Carmen, Mexico, 26 Nov - 1 Dec 2006) Part 1, Part 2, Part 3, Part 4
3+1 Formalism and Bases of Numerical Relativity, lectures given at the General Relativity Trimester (Institut Henri Poincaré, Paris, October 2006)
Trapping horizons as inner boundary conditions for black hole spacetimes, invited talk at New Frontiers in Numerical Relativity conference (AEI, Golm, Germany, 17-21 July 2006)
Black holes: new theoretical approaches and applications to numerical relativity, talk at Semaine de l'Astrophysique Française (Journées de la SF2A) (Paris, 26-30 June 2006)
New theoretical perspectives on black holes, talk at the Journées LISA France (Meudon, 15-16 May 2006)
Tensor calculus with Lorene, lecture at School on spectral methods (CIAS, Meudon, 16 November 2005)
An introduction to polynomial interpolation, lecture at School on spectral methods (CIAS, Meudon, 14 November 2005)
Black holes: new approaches and the generalized Damour-Navier-Stokes equation, seminar at journal-club Cosmologie et gravitation relativiste (Meudon, 7 October 2005)
Evolution of 3+1 Einstein equations via a constrained scheme, seminar at Department of Earth Science and Astronomy, University of Tokyo (Tokyo, Japan, 19 August 2005)
Numerical relativity and sources of gravitational waves, seminar in the Post-YKIS 2005 program (Yukawa Institute for Theoretical Physics, Kyoto, Japan, 29 July 2005)
A generalized Damour-Navier-Stokes equation applied to trapping horizons, invited talk at Post-YKIS 2005 Workshop (Yukawa Institute for Theoretical Physics, Kyoto, Japan, 27 July 2005)
Numerical relativity and sources of gravitational waves, seminar at Colloquium de Cosmologie et Astroparticules (Université Paris 6, 26 January 2005)
Gravitational radiation from a binary system, talk at Journées LISA France (APC, Collège de France, Paris, 20-21 January 2005)
A new formulation for evolving neutron star spacetimes, talk at 1st Astro-PF workshop, Compact Stars: structure, dynamics, and gravitational waves (CAMK, Warsaw, Poland, 13-15 October 2004)
Time evolution of 3+1 Einstein equations via a constrained scheme, talk at the 17th International Conference on General Relativity and Gravitation (GR17) (Dublin, Ireland, 18-23 July 2004)
Multidomain spectral methods based on spherical coordinates for numerical relativity, talk at ICOSAHOM 2004 (Brown University, Providence, USA, 21-25 June 2004)
Numerical approach to the Cauchy problem: recent developments, talk at Journée Yvonne Choquet-Bruhat organized at IHÉS (Institut des Hautes Études Scientifiques) (Bures-sur-Yvette, 8 mars 2004)
Relativité numérique et sources d'ondes gravitationnelles, seminar at IAP (Institut d'Astrophysique de Paris, 12 Dec. 2003)
Recent progress in the numerical simulations of gravitational wave sources, talk at Gravitation et expérience 2003 (Paris, 8-10 Oct. 2003)
Numerical approaches to the relativistic two-body problem: constructing initial data, review talk at Mathematics of Gravitation II (Banach Center, Warsaw, Poland, 1-9 Sep. 2003)
Étoiles à neutrons, étoiles de quarks, trous noirs et ondes gravitationnellesHabilitation à Diriger des Recherches, Meudon, 4 July 2003)
Last orbits of binary neutron stars and binary black holes, review talk at Deutsche Physikalische Gesellschaft 67. Physikertagung (Hannover, Germany, 24-28 March 2003)
Are neutron stars actually strange stars ?, seminar at Collège de France (PCC lab) (12 December 2002)
Extrinsic curvature in quasiequilibrium binary black hole spacetimes, review talk at 12th Japanese workshop on General Relativity and Gravitation (Tokyo, Japan, November 2002)
Spectral methods in numerical relativity, seminar at Laboratoire Jacques-Louis Lions, Université Paris 6 (15 November 2002)
Lasts orbits of inspiralling binary black holes, talk at the Gravitation and Experiment 2002 Meeting (Pisa, Italy, October 2002)
Introduction to spectral methods, review talk at the 4th EU Network Meeting (Palma de Mallorca, Spain, September 2002)>
Observing black holes with gravitational waves, review talk at Semaine de l'Astrophysique Française (Paris, June 2002)
Have strange quark stars been discovered ?, talk at Semaine de l'Astrophysique Française (Paris, June 2002)
Are neutron stars actually strange stars ?, seminar at IAP (Institut d'Astrophysique de Paris) (14 June 2002)
Gravitational waves from binary black holes, review talk at Black holes: theory confronts reality, three years after (Santa-Barbara, USA, February 2002)
The Meudon/Paris group, presentation at the Mid-Term Review of the EU Network Sources of Gravitational Radiation (Southampton, UK, January 2002)
Gravitation relativiste au LUTH, presentation in front of the Comité d'évaluation du LUTH (Meudon, October 2001)
Numerical relativity and binary black holes, talk at Journées Relativistes 2001 (Dublin, Ireland, September 2001)