Invitation to U.C.L.A.. Los Angeles, USA - 1 month (1973)
Invitation to the University of Buenos-Aires, Argentina
(Course on finite elements) - 2 months (1973)
Course to Trinity College. Dublin, Ireland - 1 week (1975)
Invited conference to 'Symposium International sur les Méthodes
Numériques. Versailles, France (1975)
Course to the Autumn Course on Applications of Analysis to Mechanics.
Trieste, Italy (1976)
Conferences at the University of Pavia and the Ecole Polytechnique
of Torino, Italy (1976)
Invitation to Novosibirks, URSS - 2 weeks (1977)
Course to the summer school "finite element and finite difference methods
in geophysics". Liblice, Tchecoslovakia - 2 weeks (1977)
Invited conference to"Equadiff 4". Prague,Tchecoslovakia (1977)
Invited conference to the colloquium "Mathematical Aspects of the finite
element method". Oberwolfach, RFA (1977)
Course to the summer school of numerical analysis CEA.EDF.IRIA
"équations intégrales en mécanique et en physique".
Le Bréau sans Nappe, - 3 weeks (1977)
Invited conference to the third "colloque International sur les méthodes
de calcul scientifique et technique". Versailles (1977)
Invited conference to the first "colloque AFCET-SMF de mathématiques
appliquées". Ecole Polytechnique, Palaiseau (1978)
Invitation to the research institute J. Artigas. Madrid,
Spain - 1 week (1978)
Invitation to the University of Algiers, Algiers - 1 week (1978)
Invitation to Chalmers Institute of Technology.
Goteborg, Sweden - 1 week (1978)
Invitation to Ecole Polytechnique Fédérale de Lausanne,
Switzerland - 1 month (1979)
Invited conference to the "International Conference on Progress in the
Theory and practise of finite element method ". Goteborg, Sweden (1979)
Invited conference to"2nd International Symposium on Innovative Numerical
Analysis in Applied Engineering Science". Montreal, Canada (1980)
Invitation to the Federal University of Rio de Janeiro,
Brasil - 1 month (1980)
Invited conference to the colloquium " Integral Equations Methods in
Engineering". Oberwolfach, RFA (1980)
Invited conference to the colloquium "Finite Elements".
Oberwolfach, RFA (1980)
Invited conference to the colloque National d'Analyse Numérique.
Chantilly/ Gouvieux (1980)
Invitation at the University of Marrakech, Marocco - 2 weeks (1981)
Invited conference to the colloquium " Numerical Mathematics ".
Zeist, Netherland (1982)
Invitation to the University of Algiers, Algiers - 1 week (1982)
Invited conference to the Seminar AMS-SIAM "Large-Scale Computations
in Fluid Mechanics". San-Diego, USA (1983)
Course to the University of Abidjan, Ivory Coast - 1 month (1983)
Invited conference to the Colloque National d'Analyse Numérique.
Bonbannes (1984)
Course to the Tata Institute. Bengalore, India - 2 weeks (1984)
Invitation to the University of Maryland. Washington, USA -1 month (1984)
Invitation to the University of Minnesota.
Minneapolis, USA - 2 weeks (1984)
Course to ENIT. Tunis, Tunisia - 1 week (1984)
Invitation to the University of Lisboa, Portugal - 1 week (1985)
Invited conference to the colloquium "Numerical methods in non linear
problems. Mittag-Leffer Institute. Stockholm, Sweden (1985)
Invited conference to the "Equadiff 6". Brno, Tchecoslovakia (1985)
Invitation to the University of Algiers, Algiers - 1 week (1986)
Invited conference to the colloquium "Sixth International Symposium on
Finite Element Methods in Flow Problems". Antibes, France (1986)
Invitation to U.C.L.A.. Los Angeles, USA - 1 month (1986)
Conference at the University of Colombus, Ohio - USA (1986)
Invited conference to the colloquium "The Impact of Mathematical
Analysis on the Solution of Engineering Problems" in honor of Prof.
Ivo Babuska. University of Maryland, Washington, USA (1986)
Conference at the University of California. San Diego, USA (1986)
Conference at the University of Delaware. Delaware, USA (1986)
Invitation to the special year "Scientific Computation"
Institute for Mathematics and its Applications.
University of Minnesota, Minneapolis, USA (1986-87)
Invited conference to the colloquium "Boundary Element Method In
Engineering". Beijing, China (1986)
Invitation to the University Fudan. Shangai, China - 1 week (1986)
Participation to the colloquium "Hermès Hypersonic Research Meeting".
Stockholm, Sweden (1986)
Invitation to the Ecole Polytechnique Fédérale de Lausanne,
Switzerland - 2 weeks (1987)
Conference to the University of Neufchatel, Switzerland (1987)
Conference to the University of Stuttgart, RFA (1987)
Invitation to U.C.L.A.. Los Angeles, USA - 1 week (1987)
Invited conference to the "Symposium on Advanced Boundary
Element Methods, Applications in solid and fluid mechanics" (IUTAM).
San-Antonio, USA (1987)
Invited conference to "MAFELAB 87". London (1987)
Invited conference to the "Boundary Element IX Conference".
Stuttgart, RFA (1987)
Course at the Scandinavian Summer school. Helsinki, Finland (1987)
Invited conference to the colloquium "Advances in Computational Modelling
and Numerical Analysis" in honor of Prof. Jim Douglas.
Chicago, USA (1987)
Conference to Cornell University. Ithaca, USA (1987)
Participation to the colloque "Hermès Hypersonic Research Meeting".
Stuttgart, RFA (1987)
Invited conference to the Faculté des Sciences de Mons, Belgium (feb. 1988)
Course and seminar at the Ecole des Mines of Madrid,
Spain - 1week, (apr. 1988)
Invitation to Georgia Tech. Univ.. Atlanta, USA - 1 week, (aug. 1988)
Invitation to the University of Minnesota, USA - 1 week, (sept. 1988)
Invitation and conference to USTHB. Algiers - 1 week, (sept. 1988)
Invited conference to the colloquium "Practical treatment of integral
equations, boundary element methods and singular equations".
Oberwolfach, (Germany) (dec. 1988)
Invited conference to "Journées Aspects Mathématiques et Numériques
de Propagation d'Ondes". Paris (dec. 1988)
Invitation to the Ecole Polytechnique Fédérale de Lausanne,
Switzerland - 1 week, (feb. 1989)
Invitation and conference to U.C.L.A..
Los Angeles, USA - 2 weeks (mar. 1989)
Invitation and conference to USTHB. Algiers - 1 week (jul. 1989)
Invitation and conference to the University of Lisboa,
Portugal - 1 week (oct. 1989)
Invited conference to the "International Conference on Modern Problems of
the Calculus of Variations". Tbilissi, URSS - 1 week (nov. 1989)
Invited conference to the "Segundo Franco Chileno y Latinoamericano
de matematicas aplicadas". Santiago de Chile, Chili - 1 week (dec. 1989)
Member of the French Delegation to the mathematical committee at Kobe,
Japon, and participation to ICM 90 . Kyoto, Japon - 3 weeks (aug. 1990)
Participation to "Second World Congress on Computational Mechanics"
at Stuttgart, Germany - 1 week (aug. 1990)
Invited conference to IABEM 90. Roma, Italy - 1 week (oct. 1990)
Invited conference to the Cornell University.
60th anniversary of J. BRAMBLE. Ithaca, USA - 1 week, (jan. 1991)
Invitation and conference to ENIT. Tunis, Tunisia - 1 week (1992)
Invitation to Ecole Polytechnique Fédérale de Lausanne,
Switzerland - 1 week (1992)
Invited conference to Colloque National d'Analyse Numérique. Royan (1992)
Invited conference to"Mathematics of Computation".
Vancouver, (Canada), (aug. 1993)
Invited conference to "International Conference on Applied Analysis".
Hanoi, Vietnam (aug. 1993)
Invited conference to "JEE'93". Toulouse, (nov. 1993)
Invited conference to "RCP No 25". Strasbourg, (dec. 1993)
Member of the program comittee for CICIAM95.
Hamburg, Germany (jun. 1995)
Invited conference to the Congress franco-chilien de Mathématiques
Appliquées. Santiago de Chile, Chili (dec.1995)
Invited conference to "Institute for Applied Mathematics".
Minneapolis, USA (sept. 1994)
Invited conference to Ecole Polytechnique Fédérale de Lausanne.
60th birthday of J. Descloux. Lausanne, Switzerland (oct. 1994)
Invited conference to journées Maxwell. Sophia-Antipolis (oct. 1995)
Invited conference to Congress franco-chilien de Mathématiques Appliquées.
Santiago de Chile, Chili (dec. 1995)
Invited conference to the Congress "Non-Linear Analysis".
Athens, Greece (jul. 1996)
Invited conference to the Congress "Sommerfeld".
Freudenstadt, Germany (oct. 1996)
Invited conference to the day in honor of Prof. J.P. Kernevez.
Compiègne (oct. 1996)
Invitation to Ecole Polytechnique Fédérale de Lausanne,
Switzerland - 4 weeks (mar. 1997)
Invited conference to the "International Conference on Applied Analysis".
Lisboa, Portugal (feb. 1997)
Invited conference to the colloquium "Modèlisation mathématique et
simulation numérique". Beyrouth, Lebanon (apr. 1997)
Invited conference to "IUTAM Symposium on Computational Methods
for unbounded domains". Boulder, Colorado USA (jul. 1997)
Participation to the Colloquium "Science pour le dévoloppement durable".
Hanoi, Vietnam (sept. 1997)
Course to the Federal University of Santiago de Chile, Chili (nov. 1997)
Invited conference to the colloquium Tricomi.
Roma and Torino, Italy (nov. 1997)
Course to Mittag-Leffer Institute. Stockholm,
Sweden - 2 months (Feb. Mar. 1998)
Invited conference to the colloquium "Problèmes Inverses et optimisation
de formes". Tunis, Tunisia (apr. 1998)
Invited conference to the colloquium "Domain Decomposition".
Oberwolfach, Germany (apr. 1998)
Invited conference to the Congress SIMAI. Taormina, Italy (jun. 1998)
Invited conference to the colloquium "Integral Methods in Science and
Engineering" ISME 98. Technological University Hougton,
Michigan USA (aug. 1998)
Invited conference to the "Conference of Functional Analysis".
Stuttgart, Germany (sept. 1998)
Invitation to Chili: seminar at the Federal University of Santiago de Chile
and seminar at University of Conception, Chili - 1 month (dec. jan. 1999)
Course at Ecole Polytechnique Fédérale de Lausanne,
Switzerland - 1 month (feb. 1999)
Invited conference at Ecole Polytechnique Fédérale de Lausanne.
In honor Professor J. Descloux. Lausanne, Switzerland (apr. 1999)
Invited minisymposium on Electromagnetism at CANUM99.
Bonastre, (may 1999)
Invited conference to the "International Conference on Non Linear Analysis".
Lisboa, Portugal (june 1999)
Invited conference to the meeting ICIAM99. Edinburg, Scotland (jul. 1999)
Invited conference to the meeting "ENUMATH".
Jyvaskyla, Finland (aug. 1999)
Invited conference to the meeting in honor of Pr. J. Necas.
Olomouc, Tch. Rep. (dec. 1999)
Invited conference to the conference "Waves 2000".
Santiago de Compostelle, Spain (july 2000)
Invited conference to the conference "Ecomas 2000".
Barcelone, Spain (sept. 2000)
Course at Ecole Polytechnique Fédérale de Zurich, ETH
Switzerland - 1 week (sept. 1999)
Invited conference to the "Workshop on Electromagnetism".
Goteborg, Sweden (sept. 2000)
Invited conference to the "GAMM Workshop on Computational
Electromagnetism". Kiel, Germany (jan. 2001)
Invitation to the colloquium "Mixed Finite Element and Applications".
Oberwolfach, Germany (feb. 2001)
Course at "The Morning Center for Mathematics". Academica Sinica.
2 weeks. Beijing, China (july 2001)
Invited conference to Chongjing University . Chongjing, China (july 2001)
Invited conference to the colloquium ICEAA 01. Torino, Italy (sep. 2001)
Invitation to the Department of Mathematics. University of Minnesota.
1 month. Minneapolis, USA (oct. 2001)
Invited conference to the colloquium "Congrès Franco-Chilien de
Mathématiques Appliquées". Santiago de Chile. Chili (dec. 2001)
President of the scientific committee to the colloquium "Journées
européennes sur l'électromagnétisme". Toulouse . France (mars 2002)
Invited conference to the colloquium "Journées sur les équations
intégrales". Clermont-Ferrand. France (mars 2002)
Invited speaker to the AMS-IMS-SIAM conference "Waves in periodic
and random media". 1 week. Boston. USA (june 2002)
Invited conference to the colloquium "New Trends in Boundary Elements".
Oberwolfach, (Germany) (dec. 1-7 2002)
Invited speaker to the "Third International Workshop on Scientific
Computing and Applications",
City University of Hong Kong, (January 6-9, 2003)
Organiser of a minisymposium " Integral equations for harmonic Maxwell
equations: iterative techniques and preconditionners "
ICIAM 2003 Sydney, Australia (July 7-11, 2003)
cours DEA de mathématiques appliquées
Université Saint Joseph, Beyrouth (Liban), (avril, 2004)
Invited speaker to the "Numerical and Applied PDEs"
Jilin University, Changchun, China, (June 23-28, 2004)
Invited speaker to the colloque "Méthodes mathématiques et numériques
pour la physique et la mécanique"
Colloque Daniel Euvrard Université Pierre et Marie Curie (2 juillet 2004)
Invited speaker to the " third International Conference on Boundary Integral
Methods:Theory and Applications"
University of Reading UK, (14-18 September 2004)
Invited speaker to the "Colloque pour Frédéric Poupaud"
Université de Nice (17-19. Fev. 2005)
Invited speaker to the ""Journées de Mathématiques Appliquées à la mémoire
d'Abdelhamid Ziani", Université de Nantes (17 et 18 mai 2005)
Invited speaker Celebration of the 60th Birthday of Bjorn Engquist,
KTH, Stockholm (June 16-17 2005).
Invited speaker to the "International Forum on Multiscale Methods
and Partial Differential Equations"
(Celebration of the 60th Birthday of Bjorn Engquist)
Institute for Pure and Applied Mathematics (IPAM)
UCLA Los Angeles (August 26-27, 2005)
Invited speaker to the "Compatible discretizations for PDEs" , Centre of
Mathematics for Applications (CMA), University of Oslo, (sept. 26-28, 2005)