Activities

Below you can find a selected list of talks I have given, and conferences and research programs I have attended and organized. I have also volunteered in some outreach activities at schools and open days etc.

Research seminars organized

• 2020— Joint Online Mathematical Relativity Colloquium (JoMaReC), together with Carla Cederbaum, Grigorios Fournodavlos, Edgar Gasperin (earlier: Anne Franzen), Jan Metzger and Anna Sakovich, Europe and beyond
• 2021—22 Mathematical Physics Seminar, together with Dejan Gajic, Teri Soultanis and Walter van Suijlekom, Radboud University Nijmegen
• 2020—21 Mathematics Online Lunch Seminar, together with Ross Kang and Steffen Sagave, Radboud University Nijmegen, Netherlands
• 2019—21 Applied Analysis Seminar, together with Gabriel Lord and Stefanie Sonner, Radboud University Nijmegen, Netherlands
• 2014 Geometry, Analysis and Physics Seminar (GAP), joint weekly research seminar of the University of Vienna and Vienna University of Technology, Austria (with Martin Bauer, Volker Branding, David Fajman and Jérémie Joudioux)

Workshops organized

• [upcoming] Jun 2023 Singularities and Curvature in General Relativity, Radboud University Nijmegen, Netherlands, together with A. Shadi Tahvildar-Zadeh
• Jan 2020 1st Dutch Mathematical Relativity Day [poster], Radboud University Nijmegen, Netherlands, together with Andrea Fuster
• Jul 2019 invited minisymposium “Mathematical Problems of Relativistic Physics” at the Equadiff 2019 conference [poster] in Leiden, Netherlands, together with A. Shadi Tahvildar-Zadeh
• Feb 2019 NonLinear Analysis Days [poster], international workshop on partial differential equations at the Radboud University Nijmegen, Netherlands, together with Stefanie Sonner

Minicourses given

• Jun 2022 “Nonsmooth spacetimes in general relativity” [abstract]
  Minicourse at EWM-EMS Summer School (The Cauchy Problem in General Relativity), Institut Mittag-Leffler, Djursholm, Sweden
• Sep 2021 “A primer on Mathematical General Relativity” [abstract]
  Minicourse in Dutch Differential Topology & Geometry Seminar (hybrid), Mathematical Institute, Utrecht University, Netherlands

Invited talks

2024

• [upcoming] Jan 2024 “tba”
  11th International Meeting on Lorentzian Geometry, Merida, Mexico

2023

• [upcoming] May 2023 “On the formation of trapped surfaces for matter fields” [abstract]
  Workshop on Singularity Formation in General Relativity and Dispersive PDEs, International Center for Mathematical Sciences, Edinburgh, United Kingdom
• Apr 2023 “The ubiquity of globally hyperbolic spacetimes”
  Mathematical Physics Focus Session, NWO Physics, Veldhoven, Netherlands
• Feb 2023 “The many faces of globally hyperbolic spacetimes”
  Mathematics Colloquium, School of Mathematics, Trinity College Dublin, Ireland

2022

• Nov 2022 “On globally hyperbolic spacetimes” [abstract]
  Geometric Analysis Seminar (hybrid), Department of Mathematics, University of Oregon, Eugene, OR, United States
• Nov 2022 “On globally hyperbolic spacetimes” [abstract]
  Geometry/Topology Seminar, Department of Mathematics, Oregon State University, Corvallis, OR, United States
• Oct 2022 “A weak second Bianchi identity for naked singularities” [abstract]
  Differential Equations Seminar, Department of Mathematics, University of Michigan, Ann Arbor, MI, United States
• Oct 2022 “On the volume of generalized tubes” [abstract, video]
  Workshop on Mathematical Relativity, Scalar Curvature and Synthetic Lorentzian Geometry (hybrid), Fields Institute for Research in Mathematical Sciences, Toronto, Canada
• Jun 2022 “On limits of smooth spacetimes” [abstract, slides]
  Mathematical Physics Seminar (online), University of Regensburg, Germany
• Apr 2022 “On the volume of generalized tubes” [abstract]
  Oberseminar Topics in General Relativity, Mathematical Institute, University of Münster, Germany
• Mar 2022 “Black holes and motion”
  ET@RU Seminar (online), IMAPP, Radboud University, Nijmegen, Netherlands
• [postponed] Jan 2022 tba
  Geometry & Topology Seminar, Department of Mathematical Sciences, Durham University, United Kingdom

2021

• [postponed] Dec 2021 tba
  Topics in General Relativity Seminar, Mathematical Institute, University of Münster, Germany
• Nov 2021 “Spacetimes near the boundary of existence” [abstract]
  Mathematics Colloquium (online), Institute of Mathematics, Universität Würzburg, Germany
• Nov 2021 “Koningin Dido en het isoperimetrische probleem” (in Dutch) [slides]
  Proefcolleges (trial lectures for highschool students) during Open Days, Radboud University, Nijmegen, Netherlands
• Oct 2021 “The volume of generalized tubes” [abstract]
  Lefschetz Seminar (online), Geometry & Geometric Analysis Group, Department of Mathematics, Clark University, Worchester, MA, United States
• Sep 2021 “Matter particles, naked singularities, and a weak second Bianchi identity” [extended abstract]
  Workshop (Mathematical Aspects of General Relativity) (hybrid), Oberwolfach Research Institute for Mathematics, Germany
• Jul 2021 “The second Bianchi identity for spacetimes with timelike singularities” [abstract, slides]
  Session AT2 (Mathematical Problems of Relativistic Physics: Classical and Quantum), 16th Marcel Grossmann Meeting (online), Italy
• Jun 2021 “The second Bianchi identity for spacetimes with timelike singularities” [abstract]
  Pure Analysis and PDEs Seminar (online), University College London and Imperial College London, United Kingdom
• Apr 2021 “On the volume of generalized tubes” [abstract]
  Analysis Seminar (online), Institute of Mathematics, University of Potsdam, Germany
• Apr 2021 “On the metric structure and convergence of spacetimes” [abstract]
  GQT Session, NMC 2021 Series (Dutch Mathematical Congress) (online), Netherlands
• Feb 2021 “Spacetime convergence for warped products” [abstract, slides, video]
  10th International Meeting on Lorentzian Geometry (online), Córdoba, Spain
• Jan 2021 “The volume of tubes revisited” [abstract]
  GQT Colloquium (online), Netherlands

2020

• Dec 2020 “Singularity formation for perfect fluids with linear equation of state” [extended abstract]
  Mini-Workshop (Relativistic Fluids at the Intersection of Mathematics and Physics) (online), Oberwolfach Research Institute for Mathematics, Germany
• Jun 2020 “From initial data to black holes” [abstract]
  NDNS+ Workshop (online), Twente, Netherlands
• Jun 2020 “On the metric structure and curvature bounds in Lorentzian geometry”
  Quantum Gravity Seminar (online), Radboud University, Nijmegen, Netherlands
• [meeting postponed] Jun 2020 Workshop (Non-Regular Spacetime Geometry), Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
• [meeting postponed] Jun 2020 “Spacetime convergence for warped products”
  10th International Meeting on Lorentzian Geometry, Córdoba, Spain
• [meeting cancelled] Apr 2020 “Spacetime singularities revisited” [abstract]
  GQT Session, NMC 2020 (56th Dutch Mathematical Congress), Utrecht, Netherlands
• [seminar cancelled] Apr 2020 Utrecht Geometry Center Seminar, Mathematical Institute, Utrecht University, Netherlands
• [meeting postponed] Mar 2020 “Singularity formation for perfect fluids with linear equation of state”
  Mini-Workshop (Relativistic Fluids at the Intersection of Mathematics and Physics), Oberwolfach Research Institute for Mathematics, Germany
• Jan 2020 “On the metric structure and convergence of spacetimes”
  Oberseminar Dynamische Systeme, Faculty of Mathematics, Ruhr-Universität Bochum, Germany
• Jan 2020 “On the metric structure and convergence of spacetimes” [abstract]
  Geometry Seminar, Radboud University, Nijmegen, Netherlands

2019

• Nov 2019 “Spacetime convergence for warped products” [abstract]
  Research program (General Relativity, Geometry and Analysis), Institut Mittag-Leffler, Djursholm, Sweden
• Oct 2019 “The Mathematics of Karen Uhlenbeck”
  Desda student organization, Nijmegen, Netherlands
• Sep 2019 “Black holes and other singularities”
  Partial Differential Equations and Applications Seminar, Delft Institute of Applied Mathematics, TU Delft, Netherlands
• Jul 2019 “Singularities in spacetimes”
  Department of Mathematics, University of Münster, Germany
• Jun 2019 “Singularity formation for matter models in general relativity” [abstract]
  Fields Applied Mathematics Colloquium, Fields Institute, University of Toronto, Canada
• May 2019 “Energy-momentum conservation for spacetimes with singularities”
  Mathematical Physics Seminar, Department of Mathematics, Rutgers University, New Jersey, United States
• May 2019 “Energy-momentum conservation for spacetimes with singularities” [slides, video]
  Workshop (Convergence and Low Regularity in General Relativity), Simons Center for Geometry and Physics, State University of New York, Stony Brook, United States
• Apr 2019 “Timelike singularities and energy conservation in general relativity” [announcement]
  Applied Analysis Seminar, Mathematical Institute, University of Cologne, Germany
• Apr 2019 “The second Bianchi identity for singular spacetimes” [abstract]
  Geometry Seminar, Radboud University, Nijmegen, Netherlands

2018

• Oct 2018 “Perfect fluids in general relativity”
  Geometric Analysis Days (Intersections of Geometric Analysis and Mathematical Relativity), School of Mathematical Sciences, Queen Mary University of London, United Kingdom
• Oct 2018 “Singularitäten in Raumzeiten” (Singularities in spacetimes)
  University of Konstanz, Germany
• Oct 2018 “Spacetimes with matter and low regularity”
  Quantum Gravity Seminar, Radboud University, Nijmegen, Netherlands
• Jun 2018 “On the formation of singularities in Einstein-Euler spacetimes” [abstract]
  HYP2018 (17th International Conference on Hyperbolic Problems), University Park, Pennsylvania, United States
• May 2018 “Geodesics revisited” [abstract]
  Work in Progress Seminar, Rutgers University, New Jersey, United States
• Apr 2018 “Static perfect fluids in general relativity” [abstract]
  AMS Spring Eastern Sectional Meeting, Northeastern University, Boston, Massachusetts, United States
• Mar 2018 “A generalized notion of ADM mass for static perfect fluids” [video]
  Workshop (Mass in General Relativity), Simons Center for Geometry and Physics, State University of New York, Stony Brook, United States
• Feb 2018 “The geometry of spacetimes” [abstract]
  Junior Geometry Seminar, Department of Mathematics, Rutgers University, New Jersey, United States

2017

• Nov 2017 “A mathematical approach to black hole formation”
  Mathematical Physics Seminar, Department of Mathematics, Purdue University, Indiana, United States
• Oct 2017 “Singularities in spacetime”
  Postdoc Colloquium, Department of Mathematics, Rutgers University, New Jersey, United States
• Aug 2017 “On the asymptotic behavior of static perfect fluids” [abstract]
  Thematic program (Geometry and Relativity), Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
• Mar 2017 “On the formation of singularities in general relativity”
  School of Mathematics, University of Bristol, United Kingdom
• Jan 2017 “Spacetimes near the boundary of existence”
  Faculty of Mathematics, University of Vienna, Austria
• Jan 2017 “Spacetimes near the boundary of existence”
  Institute for Mathematics, Astrophysics and Particle Physics, Radboud University, Nijmegen, Netherlands

2016

• Dec 2016 “Hyperboloidal evolution for nonlinear wave equations” [abstract]
  Workshop (Young Women in Harmonic Analysis and PDE), Hausdorff Center for Mathematics, Bonn, Germany
• Nov 2016 “Perfect fluids in general relativity”
  Department of Mathematics, University of Hamburg, Germany
• Aug 2016 “The global behavior of spacetimes”
  School of Mathematical Sciences, Dublin City University, Ireland
• Jan 2016 “Langzeitverhalten von nichtlinearen Wellen” (Longtime behavior of nonlinear waves)
  Institute of Mathematics, University of Würzburg, Germany

2015

• Sep 2015 “Weak metrics in general relativity and beyond”
  Department of Mathematics, University of Tübingen, Germany
• Jun 2015 “On the formation of trapped surfaces in Einstein–Euler spacetimes” [abstract, slides]
  Workshop (Longtime Behaviour of Nonlinear Waves), Bielefeld University, Germany
• May 2015 “Geodesic incompleteness in general relativity”
  Analysis Seminar, Mathematical Institute, University of Bonn, Germany
• Mar 2015 “On the formation of trapped surfaces in Einstein-Euler spacetimes” [abstract]
  Gravitational Physics Seminar, Faculty of Physics, University of Vienna, Austria

2014

• Jul 2014 “General relativity and semi-Riemannian geometry of low regularity”
  5th Northern German Differential Geometry Day, Leibniz Universität Hannover, Germany
• Jun 2014 “Evolution problems in general relativity”
  Department of Mathematics, Friedrich-Alexander-University Erlangen-Nürnberg, Germany
• Jun 2014 “Niedrigreguläre Riemannmetriken” (Riemannian metrics of low regularity)
  Institute for Mathematics, Goethe University Frankfurt am Main, Germany
• May 2014 “Geometric bounds for vacuum spacetimes” [abstract]
  Oberseminar Differentialgeometrie, Leibniz Universität Hannover, Germany
• May 2014 “Riemannian manifolds meet metric (measure) spaces”
  University of Warwick, Coventry, United Kingdom
• Feb 2014 “Self-gravitating collapse of compressible matter under spherical symmetry” [abstract, slides]
  CERS 4 (4th Central European Relativity Seminar), Erwin Schrödinger Institute Vienna, Austria
• Jan 2014 “Analytic and geometric aspects of spacetimes of low regularity” [abstract, slides]
  PhD thesis defense, Faculty of Mathematics, University of Vienna and via videoconference at the Laboratoire Jacques-Louis Lions, Université Pierre et Marie Curie (Paris 6)

2009—2013

• Oct 2013 “Global aspects of mathematical general relativity”
  Mathematics colloquium, University of Iceland, Reykjavík, Iceland
• Sep 2013 “Riemannian metrics of low regularity” [abstract, slides]
  School in Geometric Analysis (Geometric Analysis on Riemannian and Singular Metric Spaces), Lake Como School of Advanced Studies, Como, Italy
• Jun 2013 “Analytic and geometric aspects of general relativity”Department of Mathematics, University of Münster, Germany
• Feb 2013 “Energy inequalities under one-sided curvature bounds” [abstract, slides]
  CERS 3 (3rd Central European Relativity Seminar), Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Golm, Germany
• Dec 2012 “On the mathematical framework in general relativity” [abstract, slides]
  Colloquium for PhD students, Faculty of Mathematics, University of Vienna, Austria
• Sep 2009 “Smooth regularization parameter in special Colombeau algebras” [abstract, slides]
  GF 2009 (International Conference on Generalized Functions), University of Vienna, Austria

Poster presentations

• Oct 2015 “Hyperboloidal evolution for the cubic wave equation: Asymptotic behavior of global solutions” [poster]
  Panorama of Mathematics, Hausdorff Center for Mathematics, Bonn, Germany
• Nov 2012 “Weyl fields on one-sided bounded spacetimes” [poster]
  “For Women in Science” award ceremony of the Austrian Academy of Sciences, Vienna, Austria
• Apr 2011 “Tectonic geomorphological investigations of antiforms using differential geometry (Permam Anticline, Northern Iraq)” [abstract, poster]
  EGU 2011 (European Geosciences Union General Assembly), Vienna, Austria

Attended conferences, workshops, summer/winter schools etc.

2019—

• [upcoming] May—June 2023 Workshop on Singularity Formation in General Relativity and dispersive PDEs, International Center for Mathematical Sciences, Edinburgh, United Kingdom
• Apr 2023 NWO Physics, Veldhoven, Netherlands
• Mar 2023 Workshop (Random Geometry in Math and Physics), Radboud University Nijmegen, Netherlands
• [cancelled attendance] Mar 2023 Workshop (Non-Regular Spacetime Geometry), Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
• Jul—Dec 2022 Thematic Program (Nonsmooth Riemannian and Lorentzian Geometry), Fields Institute, Toronto, Canada
• Nov 2022 Pacific Northwest Geometry Seminar (PNGS), Seattle University, Washington, United States
• Jul 2022 Virtual ICM 2022
• Jun 2022 Summer School on the Cauchy Problem in General Relativity, Institut Mittag-Leffler, Djursholm, Sweden
• Apr 2022 Workshop at the Interface of Mathematical Relativity and Astrophysics (hybrid), Banff International Research Station, Alberta, Canada
• Mar—May 2022 General Relativity Program (online), Center of Mathematical Sciences and Applications, Harvard University, MA, United States
• Jan—Mar 2022 Thematic Program (Mathematical Perspectives of Gravitation beyond the Vacuum Regime), Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
• Aug—Sep 2021 Workshop on Mathematical Aspects of General Relativity (hybrid), Oberwolfach Research Institute for Mathematics, Germany
• Jul 2021 Workshop on Null Distance (online), United States
• Jul 2021 16th Marcel Grossmann Meeting (online), Italy
• Jun 2021 Workshop (Singularity theorems, causality, and all that – A tribute to Roger Penrose) (online), Austria, Italy and United States
• [meeting cancelled] May 2021 Workshop (Non-Regular Spacetime Geometry), Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
• Feb 2021 Workshop (Mathematical Perspectives of Gravitation beyond the Vacuum Regime) (online), Erwin Schrödinger Institute for Mathematics and Physics, Vienna, Austria
• Feb 2021 CERS 11 (11th Central European Relativity Seminar), Vienna (online), Austria
• [program postponed] Feb—Mar 2021 Thematic Program (Mathematical Perspectives of Gravitation beyond the Vacuum Regime), Erwin Schrödinger Institute for Mathematics and Physics, Vienna, Austria
• [rescheduled from Jun 2020] Feb 2021 10th International Meeting on Lorentzian Geometry (online), Córdoba, Spain
• [rescheduled from Mar 2020] Dec 2020 Mini-Workshop (Relativistic Fluids at the Intersection of Mathematics and Physics), Oberwolfach Research Institute for Mathematics, Germany
• 2020 Virtual Workshop on Ricci and Scalar Curvature
• Jun 2020 NDNS+ Workshop (online), Twente, Netherlands
• [meeting postponed] Jun 2020 Workshop (Non-Regular Spacetime Geometry), Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
• [meeting postponed] Jun 2020 10th International Meeting on Lorentzian Geometry, Córdoba, Spain
• [meeting cancelled] Apr 2020 NMC 2020 (56th Dutch Mathematical Congress), Utrecht, Netherlands
• [meeting postponed] Mar 2020 Mini-Workshop (Relativistic Fluids at the Intersection of Mathematics and Physics), Oberwolfach Research Institute for Mathematics, Germany
• Jan 2020 Physics@Veldhoven 2020, Netherlands
• Nov—Dec 2019 Research program (General Relativity, Geometry and Analysis), Institut Mittag-Leffler, Djursholm, Sweden
• Jul 2019 Equadiff 2019 conference in Leiden, Netherlands
• Jun 2019 Workshop (Women in Analysis), Banff International Research Station, Alberta, Canada
• Apr 2019 Workshop (Convergence and Low Regularity in General Relativity), Simons Center for Geometry and Physics, State University of New York, Stony Brook, United States

2014—2018

• Oct 2018 Geometric Analysis Days (Intersections of Geometric Analysis and Mathematical Relativity), School of Mathematical Sciences, Queen Mary University of London, United Kingdom
• Jun 2018 HYP2018 (17th International Conference on Hyperbolic Problems), University Park, Pennsylvania, United States
• Apr 2018 AMS Spring Eastern Sectional Meeting, Northeastern University, Boston, Massachusetts, United States
• Mar 2018 Workshop (Mass in General Relativity), Simons Center for Geometry and Physics, State University of New York, Stony Brook, United States
• Jul—Aug 2017 Thematic program (Geometry and Relativity), Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
• Apr 2017 Workshop (Young Women in Geometry), Max Planck Institute for Mathematics, Bonn, Germany
• Feb 2017 Workshop (Geometric Transport Equations in General Relativity), Erwin Schrödinger Institute for Mathematics and Physics, Vienna, Austria
• Dec 2016 Workshop (Young Women in Harmonic Analysis and Partial Differential Equations), Hausdorff Center for Mathematics, University of Bonn, Germany
• Jul 2016 School in Geometric Analysis (Geometric Analysis on Riemannian and singular metric measure spaces), Lake Como School of Advanced Studies, Como, Italy
• Mar 2016 Workshop (Singularity formation and long-time behavior in dispersive partial differential equations), University of Bonn, Germany
• Sep—Dec 2015 Mathematical General Relativity, trimester program at the Institut Henri Poincaré, Paris, France
• Oct 2015 Panorama of Mathematics (A conference outlining new trends, results, and challenges in mathematical sciences), Hausdorff Center for Mathematics, Bonn, Germany
• Jun 2015 Workshop (Longtime Behaviour of Nonlinear Waves), Bielefeld University, Germany
• Jul—Aug 2014 ESI-EMS-IAMP Summer School on Mathematical Relativity, Erwin Schrödinger Institute, Vienna, Austria
• Jul 2014 5th Northern German Differential Geometry Day, Leibniz Universität Hannover, Germany
• Feb 2014 CERS 4 (4th Central European Relativity Seminar), Erwin Schrödinger Institute, Vienna, Austria

2009—2013

• Sep—Oct 2013 School in Geometric Analysis (Geometric Analysis on Riemannian and Singular Metric Spaces), Lake Como School of Advanced Studies, Como, Italy
• Sep 2013 HLF 2013 (1st Heidelberg Laureate Forum), Heidelberg, Germany
• Feb 2013 CERS 3 (3rd Central European Relativity Seminar), Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Golm, Germany
• Dec 2012 ESI Workshop (Dynamics of General Relativity), Erwin Schrödinger Institute, Vienna, Austria
• Nov—Dec 2011 Cours d’École Doctorale (Mathematical Problems in General Relativity, by R. Schoen), Institut Henri Poincaré, Paris, France
• Aug 2011 ESI Summer School (Mathematical Physics), Erwin Schrödinger Institute, Vienna, Austria
• Apr 2011 EGU 2011 (European Geosciences Union General Assembly), Vienna, Austria
• Jan 2011 UK—Japan Winter School (New Methods in Geometry), King’s College London, United Kingdom
• Aug—Sep 2009 GF 2009 (International Conference on Generalized Functions), University of Vienna, Austria
• Feb 2009 Workshop (Generalized Functions and Partial Differential Equations), University of Innsbruck, Austria

Research stays

2019—

• 4 Sep — 20 Nov 2022 Fields Institute, Toronto, Canada
• [cancelled] 15 Jul — 15 Aug 2020 Department of Mathematics, Rutgers University, United States
• 11 Nov — 12 Dec 2019 Institut Mittag-Leffler, Djursholm, Sweden
• 15—21 Jun 2019 Department of Mathematics, University of Toronto, Canada
• 4—11 May 2019 Department of Mathematics, Rutgers University, United States

2014—2017

• 16 Jul — 19 Aug 2017 Erwin Schrödinger International Institute for Mathematics and Physics, Vienna, Austria
  
• 20—31 Jul 2015 Faculty of Mathematics, University of Vienna, Austria
• 17 Mar — 16 Jul 2014 Riemann Center for Geometry and Physics, Leibniz Universität Hannover, Germany
• 19—21 May 2014 Max Planck Institute for Gravitational Physics (Albert Einstein Institute), Golm, Germany

2008—2013

• 21—26 Oct 2013 Mathematics Division, Faculty of Physical Sciences, University of Iceland, Iceland
• Jun—Aug 2013 Laboratoire Jacques-Louis Lions, Université Pierre et Marie Curie (Paris 6), France
• Sep 2011 — Jul 2012 Laboratoire Jacques-Louis Lions, Université Pierre et Marie Curie (Paris 6), France
• 27—31 Dec 2010 Laboratoire Jacques-Louis Lions, Université Pierre et Marie Curie (Paris 6), France
• 16—27 Aug 2010 Laboratoire Jacques-Louis Lions, Université Pierre et Marie Curie (Paris 6), France
• Jul—Sep 2008 Seminar for Applied Mathematics, ETH Zürich, Switzerland