- Black holes inside and out, Copenhagen, August 26, 2024
- Summer School: Mathematics of General Relativity and Fluids, July 22–August 2, 2024 (5 lectures)
- On Hyperbolic Differential Equations, Calculus of Variations and Applications, FORTH, Heraklion, July 19, 2024
- Festum π, Hania, July 16, 2024
- Gravitational physics and its mathematical analysis, Les Diablerets, June 3–7, 2024
- Cook’s Branch, Texas, April 2, 2024
- Mathematics Münster Mid-term Conference, Münster, March 27, 2024
- Taking it to the extreme: Symmetries and dynamics of extremal black holes, PCTS/PGI, Princeton, March 6, 2024
- Mathematics Colloquium, Penn State, February 29, 2024
- Predictability in General Relativity: celebrating the contributions of Prof. Yvonne Choquet Bruhat (online), February 29, 2024
- Black Hole Initiative Colloquium, Harvard, Cambridge, Massachusetts, February 5, 2024
- Λίγα λόγια για το έργο του Δημήτρη Χριστοδούλου, in honour of Demetrios Christodoulou, Heraklion, October 10, 2023
- What is happening in Fine Hall?, Princeton, October 6, 2023
- Heilbronn Colloquium, London, June 16, 2023
- Singularity Formation in General Relativity and Dispersive PDEs, ICMS, Edinburgh, May 29, 2023
- ITS Science Colloquium, Institute for Theoretical Studies, ETH, Zurich, May 25, 2023
- General Audience Talk, University of Crete, May 17, 2023
- ICG Colloquium, Portsmouth, May 4, 2023
- Cook's Branch, Texas, April 6, 2023
- Türk Matematik Derneği Genel Semineri (online), March 14, 2023
- Meeting in honour of Robin Knops’ 90th birthday, ICMS, Edinburgh, March 2, 2023
- IOP Gravitational Physics Group Annual Meeting (online), December 14, 2022
- Colloquium, Mathematics Institute, University of Oxford, December 2, 2022
- Trinity Mathematics Society Lecture, Trinity College Cambridge, October 31, 2022
- Workshop on Mathematical Relativity (online), Fields Institute, Toronto, October 3, 2022
- Fundamental Aspects of Gravity, Imperial, August 9. 2022
- Joint AMS-EMS-SMF Meeting, Grenoble, July 20, 2022
- New frontiers in strong gravity, Benasque, July 8, 2022
- GR23 (online), July 4, 2022
- Princeton University Math Club/Society of Physics Students joint lecture, April 4, 2022
- High Energy Physics Seminar, Mitchell Institute, Texas A&M, February 14, 2022
- Nottingham Centre of Gravity Colloquium, January 19, 2022
- Mathematical and Numerical Aspects of Gravitation, IPAM (online), October 27, 2021
- Gravitational Emergence in AdS/CFT, Banff (online), October 27, 2021
- London Analysis Seminar, London, October 21, 2021
- Joint Online Mathematical Relativity Colloquium, October 7, 2021
- Νεώτερες Εξελίξεις στη Βαρύτητα (NEB 19) (online), September 20–22, 2021
- ENSPM21, Mathematical Relativity Session (online), July 13, 2021
- 16th Marcel Grossman Meeting (online), July 6, 2021
- SCRI21, a tribute to Roger Penrose (online), June 17, 2021
- Astro-GR@Cuba (online), May 24, 2021
- Advances and Challenges in Hyperbolic Conservation Laws, ICERM (online), May 20, 2021
- Seminar of the Institute, University of Jena (online), May 12, 2021
- APS Meeting (online), April 19, 2021
- Oxbridge PDE, Cambridge (online), April 19, 2021
- Ελληνικό Μαθηματικό Σεμινάριο (online), April 14, 2021
- Mathematics Department Colloquium, Stanford University (online), February 25, 2021
- Maxwell Analysis Seminar (online), February 19, 2021
- INdAM day (online), Decemeber 10, 2020
- Mathematical and Computational Approached for Solving the Source-Free Einstein Field Equations, ICERM (online), October 5, 2020
- New Frontiers in Strong Gravity, Benasque, July 5–18, 2020 (postponed to 2022)
- HEP Seminar, University of Crete (online), June 9, 2020
- One World Mathematical Physics Seminar (online), June 2, 2020
- Conference on Mathematical General Relativity, Paris, June 2–5, 2020 (postponed)
- Constantin Carathéodory's scientific work and its impact on Mathematics and Physics, Athens, May 29–30, 2020 (postponed)
- Colloquium, Department of Mathematics, University of Vienna, January 29, 2020
- Analysis-Mathematical Physics Seminar, IAS, Princeton, December 6, 2019
- Trinity Mathematical Society, October 24, 2019
- Geometry and Gravity, ICTP, Trieste, July 15–26, 2019
- Colloquium, University of Padova, June 11, 2019
- Geometric Analysis and General Relativity. A conference in honour of Gerhard Huisken's 60th birthday, ETH, Zürich, June 3–7, 2019
- Gravity Seminar, University of Southampton, May 16, 2019
- APS Meeting, Denver, April 13–16, 2019
- Weak Gravity and Cosmic Censorship: Conjectures and Connections, Princeton, April 10–12, 2019
- High Energy Theory Seminar, IAS, March 18, 2019
- Gravitational Waves, Black Holes and Fundamental Physics, Athens, January 23, 2019
- 2ο Μαθητικό Συνέδριο Έρευνας και Επιστήμης, Athens, December 1, 2018
- Invited Address, AMS Southeastern Sectional Meeting, Fayetteville, Arkansas, November 3–4, 2018
- J. L. Synge Public Lecture, Trinity College Dublin, November 1, 2018
- Kempf Lectures, October 22–23, 2018
- Origins of the Universe Satellite Workshop, September 22, 2018
- Minicourse, Ravello, September 10–14, 2018
- Young Researchers Symposium, Montreal, July 20–21, 2018
- Minicourse, Sapporo, Japan, July 2–13, 2018
- First Congress of Greek Mathematicians, Athens, June 25–30, 2018
- Conference on Non-linear waves, Brown University, May 14–17, 2018
- Oxbridge PDE Conference, University of Cambridge, March 22–23, 2018
- Field Equations on Lorentzian Spacetimes, Hamburg, March 19–23, 2018
- Brussels-London Geometry Seminar, UCL, March 20, 2018
- Mathematical Physics Seminar, University of York, February 1, 2018
- Mathematics Colloquium, Imperial College London, January 31, 2018
- Mathematics Colloquium, Brown University, November 8, 2017
- Yamabe Lectures, Northwestern University, Evanston, October 25–26, 2017
- Workshop on General Relativty and AdS-CFT, October 23, 2017
- Spanish–Portuguese Relativity Meeting, September 12–15, 2017
- Advances in General Relativity, Vienna, August 28–September 1, 2017
- Mathematics, Physics, and their Interaction: A conference in honour of Demetrios Christodoulou's 65th birthday, ETH, Zürich, July 10–14, 2017
- Gravity and black holes, marking the 75th birthday of Stephen Hawking, Cambridge, July 2–5, 2017
- Summer School in Nonlinear Partial Differential Equations, ΕΜΠ, Athens, June 20–24, 2017
- HEP–GR Colloquium, DAMTP, Cambridge, June 14, 2017
- Fluids and gravity: superradiance and analogue black holes, workshop, Nottingham, April 3–4, 2017
- IMPRS lecture day, AEI, Golm, March 9, 2017
- Models of Gravity Workshop, Hanover, March 6–7, 2017
- Colloquium, University of Warwick, March 3, 2017
- Erwin Schrödinger Lecture, ESI, Vienna, February 23, 2017
- Geometric Transport Equations in General Relativity, ESI, Vienna, February 21, 2017
- Colloquium, Queen Mary, London, January 16, 2017
- Modern developments in General Relativity and their historical roots, Kings College London, January 10–12, 2017
- General audience talk, Cambridge Hellenic Learned Society, December 4, 2016
- NEB, Mykonos, September 22, 2016
- Brinsop Court, Herefordshire, September 10, 2016
- String Theory Workshop, Amsterdam, July 4–15, 2016
- Modern Topics in Nonlinear PDE and Geometric Analysis, Reading, July 4–8, 2016
- Workshop on Singularities, Banach Centre, Warsaw, June 27–July 1, 2016
- Conference on non-linear waves, IHES, June 20–24, 2016
- Ernst Mach Centenary Conference, Vienna, June 16–18, 2016
- Minicourse, IHES, June 13, 2016
- Oberwolfach Seminar, May 15–21, 2016
- Evolution Equations Seminar, Harvard University, April 28, 2016
- General Relativity Seminar, Harvard University, April 27, 2016
- PDE/Analysis Seminar, MIT, April 12, 2016
- Conference on non-linear equations, Harvard University, April 8–10, 2016
- General Relativity Seminar, Harvard University, April 6, 2016
- Oxbridge PDE Conference, Cambridge, March 15–16, 2016
- PDE Discussion Group, Simons Foundation, New York, March 4, 2016
- Analysis, PDEs and Geometry Conference, Princeton, January 28, 2016
- Lecture, IPM, Isfahan, December 31, 2015
- 5th Meeting on Contemporary Mathematics, IPM, Tehran, December 27–28, 2015
- Einstein's legacy: celebrating 100 years of relativity, London, November 27–29, 2015
- Talk to the Archimedeans, Cambridge, November 27, 2015
- Public Talk, Academy of Athens, November 25, 2015
- 100th Anniversary of General Relativity Conference, IHP, Paris, November 16–20, 2015
- Colloquium, Rutgers University New Brunswick, October 9, 2015
- Colloquium, Vanderbilt, October 8, 2015
- Hyperbolic Equations on Spacetimes: Stability, microlocal Analysis and Quantum Field Theory, Vienna, September 7–11, 2015
- Modern Mathematical Methods in Science and Technology 2015, Kalamata, August 27–September 1, 2015
- Eigth Aegean Summer School: Gravitational Waves from Theory to Observation, June 29–July 4, 2015, Rethemnos
- Workshop on singularities, Fields Institute, June 15–19, 2015
- General Relativity and Gravitation: A Centennial Perspective, Penn State, June 7–12, 2015
- International Conference on Black Holes, Fields Institute, June 2, 2015
- General Relativity; a hundred years after its birth, Seven Pines, Minnesota, May 13–17, 2015
- Special Day in Geometry and PDE, Columbia University, April 18, 2015
- Eurostrings, DAMTP, Cambridge, March 23–27, 2015
- Mathematical Problems in General Relativity, Simons Center, Stony Brook, January 19–23, 2015
- Γενικό Σεμινάριο, Department of Mathematics, University of Athens, January 8, 2015
- Ημερίδα για τα 100 χρόνια από τη γέννηση του Χρίστου Παπακυριακόπουλου, ΕΜΠ, Athens, December 22, 2015
- Public talk, Harvard Centre for Hellenic Studies in Greece, Nafplion, December 17, 2014
- Colloquium, AEI, Golm, December 12, 2014
- Short Course (6 lectures), Peking University, October 22–November 2, 2014
- Colloquium, University of Maryland, October 8, 2014
- PDE Seminar, Técnico Lisboa, Lisbon, September 8, 2014
- XXIII International Fall Workshop on Geometry and Physics, Granada, September 2–5, 2014
- ICM, Mathematical Physics and PDE sections, Seoul, August 13–21, 2014
- XV International Conference on Hyperbolic Problems, Rio de Janeiro, July 28–August 1, 2014
- Conference on general relativity, Grenoble, June 30–July 4, 2014
- Joint AMS-IMU Meeting, Tel Aviv, June 16–19, 2014
- Colloquium, School of Mathematical Sciences, University of Nottingham, June 11, 2014
- Geometry Festival, Simons Center, Stony Brook, April 12–13, 2014
- New Frontiers for gravitational dynamics, DAMTP, March 24–28, 2014
- Colloquium, Rutgers Newark, March 12, 2014
- Geometric PDE Seminar, Rutgers New Brunswick, March 11, 2014
- Geometric Analysis Colloquium, Fields Institute, Toronto, February 14, 2014
- Perimeter Institute, Waterloo, Canada, February 13, 2014
- Recent Advances in Partial Differential Equations Modeling Physical Systems, Baltimore, January 15–18, 2014
- Joint Berkeley-Bonn-Paris-Zürich Analysis Seminar, University of Zürich, Devember 12, 2013
- Initial data and evolution problems in general relativity, MSRI, November 18–22, 2013
- What is happening in Fine Hall?, Princeton, November 15, 2013
- GR Seminar, Universität Tübingen, October 24, 2013
- Nachdiplom lectures, ETH Zürich, Fall 2013
- Introductory workshop: Mathematical relativity, MSRI, September 9–13, 2013
- New Crossroads between Mathematics and Field Theory, Oberwolfach, July 21–27, 2013
- Kerr conference, Potsdam, July 4–5, 2013
- Analysis Seminar, Loughborough, June 6, 2013
- Nonlinear wave equations, IHP, Paris, May 21–24, 2013
- Séminaire Commun, Tours, May 21, 2013
- Sixteenth Riviere-Fabes Symposium in Analysis and PDE (2 lectures), April 19–21, 2013
- American Physical Society Meeting, April 13–16, 2013
- Infinities and Cosmology, DAMTP, March 18–22, 2013
- New York Area Mathematical General Relativity Seminar, Columbia University, February 22, 2013
- Mathematics Department Colloquium, University of Miami, December 19, 2012
- Poincaré Symposium, Brown University, December 13–14, 2012
- Department Colloquium, University of Edinburgh, December 7, 2012
- Basel-Fribourg-Zurich analysis seminar, Fribourg, November 30, 2012
- Mathematics Colloquium, EPFL, Lausanne, November 29, 2012
- Gravity and holography workshop, ENS, Paris, October 29–31, 2012
- Workshop in numerical relativity, Oppurg Schloss, October 11–13, 2012
- Conference in Spectral Theory, St. Petersburg, Russia, July 2–6, 2012
- Σεμινάριο Τομέα Μαθηματικών, ΣΕΜΦΕ, ΕΜΠ, Athens, June 25, 2012
- 15th Νεώτερες Εξελίξεις στη Βαρύτητα Conference, Hanya, Crete, June 20–23, 2012
- 14th Panhellenic Conference in Analysis, Patras, May 20, 2012
- Evolution equations workshop, Oberwolfach, May 13–19, 2012
- Evolution equations workshop, Northwestern, May 4–6, 2012
- Oxbridge PDE days, Cambridge, April 17–18, 2012
- Seminaire Bourbaki, Paris, March 24, 2012
- Mathematical Relativity Seminar, Université Pierre et Marie Curie, Paris, March 22, 2012
- GR Seminar, Southampton, February 2, 2012
- GR Lunch Seminar, DAMTP, Cambridge, January 27, 2012
- Workshop on Collapse in GR, Miami, January 10–13, 2012
- 7th International Conference on Gravitation and Cosmology, Goa, India, December 14–19, 2011
- GR Workshop, Durham, December 3, 2011
- High energy physics/General relativity Colloquium, DAMTP, Cambridge, November 9, 2011
- Mathematics Colloquium, University of Cardiff, October 19, 2011
- Department Colloquium, Princeton, September 28, 2011
- Gravity Seminar, Princeton, September 23, 2011
- Hyberbolic conservation laws and related analysis, Edinburgh, September 21, 2011
- “Do we understand gravity?” Meeting, London, September 16, 2011
- Dynamics of General Relativity, Schrödinger Institute, July 18–25, 2011
- Numerical Relativity beyond Astrophysics, Edinburgh, July 11–15, 2011
- Conference on geometric analysis, Edinburgh, June 20–24, 2011
- Rencontre entre physiciens théoriciens et mathématiciens, Strasbourg, June 16–18, 2011
- Workshop on nonlinear dispersive equations, ETH Zürich, June 6–10, 2011
- Hausdorff-Kolloquium, University of Bonn, June 1, 2011
- Clay Research Conference, Harvard, May 16–17, 2011
- 41st Barrett Memorial Lectures in Mathematical Relativity, Knoxville, Tennessee, May 11–14, 2011
- Postgraduate student seminar, University of Birmingham, March 30, 2011
- Asymptotic Properties of Solutions of Hyperbolic Equations, Imperial College, March 21–25, 2011
- Resonances and scattering in general relativity, University of Bourgogne, Dijon, March 9–11, 2011
- Analyse Géométrique, Luminy, France, January 17–21, 2011
- Colloquium, University of Warwick, October 29, 2010
- Geometry and physics in Cracow, September 21–25, 2010 (2 lectures)
- Nonlinear waves and dispersive equations, Oberwolfach, September 12–18, 2010
- Global problems in mathematical relativity, Maxwell Institute, Edinburgh, September 1–8, 2010
- Dynamics in Samos, August 31–September 3, 2010
- Current topics in Mathematical physics (4 lectures), Aarhus, July 26–31, 2010
- École d’été franco-asiatique, IHES, July 21, 2010 (2 lectures)
- 19th International Conference on General Relativity and Gravitation, Mexico City, July 5–9, 2010
- General Relativity Workshop, Banff International Research Station, Alberta, Canada, June 20–25, 2010
- Papastrateio Megaro, Agrinio, June 9, 2010 (public talk)
- Mathematical Relativity Conference, Granada, April 5–9, 2010
- International Conference on Nonlinear PDE and Related Analysis/Applications, Northwestern University, March 20–24, 2010
- PDE Seminar, Oxford, February 8, 2010
- LMS meeting in Harmonic Analysis and PDE, Warwick, December 14, 2009
- Paris-London Analysis Seminar, Institut Henri Poincaré, December 4, 2009
- Mathematical Physics Seminar, University of York, December 3, 2009
- Applied Mathematics Seminar, University College London, November 30, 2009
- Workshop in General Relativity, Simons Center for Geometry and Physics, Stony Brook, November 16–20, 2009
- Workshop in Mathematical General Relativity, Paris 6, November 4–6, 2009
- CMS Colloquium, Cambridge, October 19, 2009
- Mathematical Aspects of General Relativity, Oberwolfach, October 11–17, 2009.
- Fourth French-Tunisian PDE meeting, Hammamet, Tunisia, September 28–October 2, 2009
- Black holes in general relativity (2 lectures), MSRI, Berkeley, September 14-17, 2009
- Partial Differential Equations Session, International Congress on Mathematical Physics, Prague, August 3–8, 2009
- Geometry of Einstein manifolds workshop, University of Nantes, June 29–July 3, 2009
- Asymptotics and singularities for non-linear waves workshop, Institut Henri Poincaré, April 27–30, 2009
- The Conference on Geometry, Warsaw, April 6–8, 2009
- High Energy Physics Seminar, University of Durham, March 20, 2009
- Seminar, University of Bilbao, March 18, 2009
- High energy physics/General relativity seminar, DAMTP, January 28, 2009
- Analysis Seminar, Princeton, December 1, 2008
- Current Developments in Mathematics Conference, Harvard, November 21–22, 2008
- Spanish relativity meeting, Salamanca, September 15–19, 2008
- Mittag-Leffler Institute, Stockholm, September 1–27, 2008 (4 lectures)
- Conference on nonlinear dispersive equations, İstanbul, August 25–29, 2008
- Clay Summer School, Zürich, June 23–July 18, 2008 (6 lectures)
- Hyperbolic equations in relativity, Bordeaux, June 16–20, 2008
- Triennial Differential Geometry Conference, Harvard University, May 4, 2008
- Mathematics Department Colloquium, Columbia University, April 30, 2008
- Analysis Seminar, Princeton University, April 28, 2008
- Seminar, Institut Henri Poincaré, Paris, April 22, 2008
- Niels Bohr Academy, Copenhagen, April 17, 2008
- Mathematical Aspects of General Relativity, Niels Bohr Academy, Copenhagen, April 16, 2008
- Theoretical Physics Seminar, Imperial College, January 22, 2008
- Mathematical Physics Seminar, Ludwig-Maximilians-Universität München, January 11, 2008
- Mathematisches Kolloquium, Ludwig-Maximilians-Universität München, January 11, 2008
- Differential Geometry/PDE Seminar, University of Washington, November 28, 2007
- Department Colloquium, University of Washington, November 27, 2007
- Analysis/PDE serminar, MIT, November 22, 2007
- Analysis Seminar, Courant Institute, November 15, 2007
- Analysis Seminar, University of Pennsylvania, November 13, 2007
- Analysis Seminar, Johns Hopkins University, November 12, 2007
- Differential Geometry Seminar, Harvard University, November 6, 2007
- MIT, Fall 2007 (6 lectures)
- Evolution equations and self-gravitating systems, Albert Einstein Institute, Potsdam, September 14, 2007
- Nonlinear hyperbolic equations and related topics, De Giorgi Centre, Pisa, September 3–8, 2007
- Analysis and Geometric Singularities, Oberwolfach, August 19–25, 2007
- Relativity Seminar, University of Oxford, May 1, 2007
- High Energy Physics Seminar, University of Durham, April 27, 2007
- Kuwait Lecture, Kuwait University, March 27, 2007
- Lecture, Public Authority for Applied Education and Training, Kuwait, March 25, 2007
- PDE Seminar, Brown University, March 9, 2007
- PDE Seminar, University of Maryland, March 1, 2007
- Department Colloquium, Princeton University, February 28, 2007
- PDE Seminar, Université Paris-Sud XI (Orsay), January 18, 2007
- Applied Mathematics Seminar, University of Crete, December 21, 2006
- General Relativity Seminar, University of Southampton, December 14, 2006
- Analysis Seminar, University of Warwick, November 16, 2006
- Particle Physics Seminar, University of Sussex, October 30, 2006
- Global Problems in Mathematical Relativity, Newton Institute, October 10, 2006
- Nonlinear evolution problems, De Giorgi Centre, Pisa, September 22, 2006
- International Conference on Modern Mathematical Methods in Science and Technology, Paros, September 9, 2006
- 2nd Interdisciplinary Symposium on Mathematical Modeling in Modern Technologies and Economics, NTUA, Athens, September 5, 2006
- Geometric and Nonlinear Analysis, Banff International Research Station, Alberta, Canada, August 12–17, 2006
- International Congress of Mathematical Physics, Rio de Janeiro, August 6, 2006
- Cosmological Singularities Session, Marcel Grossmann Meeting, Berlin, July 23, 2006
- Mathematical Physics seminar, Université de Bordeaux I, May 23, 2006
- Partial differential equations seminar, Trinity College Dublin, May 5, 2006
- Relativity seminar, DAMTP, University of Cambridge, April 28, 2006
- British Mathematical Colloquium, Morning Speaker, Newcastle upon Tyne, April 8–13, 2006
- Geometry Seminar, Imperial College, March 3, 2006
- Mathematical Physics Seminar, DAMTP, University of Cambridge, February 28, 2006
- Mathematical Aspects of General Relativity, Oberwolfach, January 10, 2006
- Seminar, Department of Mathematics and Physics, Osaka City University, December 5, 2005
- 15th International Workshop on General Relativity and Gravitation, Tokyo, November 28–December 2, 2005
- Joint Applied Mathematics/Analysis/Geometry Seminar, University of Edinburgh, September 24, 2005
- Minisymposium on black holes, Newton Institute, University of Cambridge, September 2, 2005
- Euroconference on Global General Relativity, Newton Institute, University of Cambridge, August 22, 2005
- Mathematics Summer School, University of Crete, July 18, 2005
- Nonlinear Evolution Equations, Oberwolfach, June 8, 2005
- Recent Advances in Calculus of Variations and PDE’s, Pisa, March 3, 2005
- Geometry and Analysis Seminar, University of Oxford, February 14, 2005
- Analysis Seminar, University of Cambridge, February 9, 2005
- Analysis Seminar, ETH Zürich, February 1, 2005
- Applied Math Colloquium, Penn State, December 3, 2004
- Pure and Applied Mathematics Seminar, University of Bath, October 22, 2004
- 10th Hellenic Conference on Mathematical Analysis, Athens, September 30, 2004
- 19th International Conference on General Relativity and Gravitation, Dublin, July 22, 2004
- Singularity Formation in Nonlinear Evolution Equations, Schrödinger Institute, Vienna, July 12, 2004
- Recent Developments in Gravity, Mytilene, June 3, 2004
- International Conference on Mechanics and PDEs, Madison, April 30, 2004
- Applied Mathematics Colloquium, Columbia University, February 17, 2004
- DPMMS, University of Cambridge, January 19, 2004
- Colloquium, University of Washington, January 15, 2004
- P.D.E. Seminar, Northwestern University, January 13, 2004
- Colloquium, University of Minnesota, December 12, 2003
- Differential Geometry/P.D.E. Seminar, University of Washington, December 2, 2003
- Differential Geometry Seminar, Harvard University, November 18, 2003
- P.D.E. Seminar, Northwestern University, November 11, 2003
- Joint Analysis Seminar, Princeton University, November 6, 2003
- Workshop on the Interaction of Gravity with Classical Fields, University of Montreal, October 5, 2003
- Seventh Hungarian Relativity Workshop, Sarospatak, August 14, 2003
- Applied Mathematics Seminar, University of Crete, July 24, 2003
- Conference on Hyperbolic Models in Astrophysics and Cosmology, Newton Institute, June 24, 2003
- Applied Mathematics Seminar, University of Massachusetts Amherst, March 25, 2003
- Applied Mathematics Seminar, University of Toronto, March 7, 2003
- Conference on General Relativity, Oberwolfach, February 14, 2003
- Conference on 50 years of the Cauchy problem in General Relativity, Cargese, August 2, 2002
- Colloquium, University of Athens, June 27, 2002
- General Relativity Workshop, Stanford University, May 28, 2002
- Conference on Dispersion Equations and Curvature, Oberwolfach, April 25, 2002
- Analysis Seminar, ETH Zurich, January 21, 2002
- Differential Geometry Seminar, Harvard University, November 20, 2001
- Conference on Noncompact Variational Problems and General Relativity, in honor of H. Brezis and F. E. Browder, Rutgers University, October 18, 2001
- PDE Seminar, Brown University, October 12, 2001
- Differential Geometry Seminar, MIT, September 17, 2001
- Relativity Seminar, Oxford University, May 29, 2001
- Conference on Nonlinear Evolution Problems, Oberwolfach, May 21, 2001
- Calderon-Zygmund Seminar, University of Chicago, February 5, 2001
- Analysis Seminar, Courant Institute, January 30, 2001