Dr. Lori Badea

Institute of Mathematics of the Romanian Academy

21, Calea Grivitei Street, Sector 1, 010702 Bucharest, Romania
Postal Address: P.O. Box 1-764, 014700 Bucharest, Romania

phone: (40) 21 3196506, fax: (40) 21 3196505

e-mail: Lori.Badea@imar.ro

EDUCATION

2013, Habilitation, Institute of Mathematics of the Romanian Academy

1992, Ph.D., Pierre et Marie Curie University, Paris 6, France

1971, M.S., University of Bucharest, Faculty of Mathematics and Mechanics

1966, High school graduation, High School no. 2 in Barlad, Romania

EMPLOYMENT

1996-present, Senior Researcher, Institute of Mathematics, Romanian Academy of Sciences in Bucharest

1990-1996, Researcher, Institute of Mathematics, Romanian Academy of Sciences in Bucharest

1975-1990, Researcher at Institute of Power Studies and Designs in Bucharest

1975-1975, Researcher at Institute of Mathematics in Bucharest

1971-1974, System Analyst, Central Institute of Informatics, Bucharest, Romania

AWARDS AND HONOURS

"Spiru Haret" prize of the Romanian Academy (for the year 1999), Section of Mathematics, 2001.

RESEARCH INTERESTS

Domain decomposition methods for PDEs

Embedding domain methods and optimal control problems

Numerical methods for financial derivatives

Numerical methods for nonlinear problems

Parallel computation

RESEARCH IMPACT

My papers have been cited in more than 360 journal articles and books

I have presented my research results in more than 60 symposiums and conferences. Plenary lectures presented as an invited speaker:

Global convergence rates of some multilevel methods for variational and quasi-variational inequalities, 23th International Conference on Domain Decomposition Methods, ICC Jeju island, Korea, July 6-10, 2015 (http://dd23.kaist.ac.kr).

Multilevel methods for variational and quasi-variational inequalities, the 22nd Conference of Industrial and Applied Mathematics - CAIM 2014 - ”Vasile Alecsandri” University of Bacau, Romania, September 18-21, 2014.

Méthodes multi-niveau et multigrille pour quelques problèmes non linéaires, 12e Colloque Franco-Roumain en Mathématiques Appliquées, l’Université de Lyon, France, 25-30 aout 2014.

RESEARCH AND TEACHING ABROAD

(visiting professor or researcher - positions between 1 week and 8 months)

Laboratoire de Mathématiques et Physique, Université de Perpignan, France (2011 - 1 week)

Laboratoire de Mécanique et d’Acoustique CNRS et Université d’Aix-Marseille, France (2015 - 1 week, 2014 - 1 week, 2013 - 1 week, 2012 - 1 week, 2010 - 1 week, 2009 - 2 weeks, 2008 - 2 weeks)

Free University of Berlin, Germany (2009 - 1 week)

Institut de Mathématiques, Ecole Polytechnique Fédérale de Lausanne, Switzerland (2009 - 1 month, 2007 - 1 week, 2004 - 1 month, 2002 - 1 month)

Institute of Applied Mathematics, University of Bonn, Germany (2007 - 2 weeks)

Laboratoire de Mathématiques, Université de Savoie, France (2007 - 2 weeks, 2006 - 2 weeks, 2005 - 3 months, 2003 - 3 months, 1997 - 1 month)

Laboratoire Jacques-Louis Lions, Pierre et Marie Curie (Paris 6) University, France (2004 - 2 weeks)

Department of Mathematics, University of Bergen, Norway (2003 - 2 weeks, 2001 - 2 weeks)

Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux, Paris 13 University, France (2001 - 1 month + 5 months (associed researcher at CNRS), 1999 - 1 month, 1998 - 2 months, 1997 - 1 month)

Texas A&M University, Department of Mathematics, College Station, USA (2000 - 4.5 months, 1998 - 4.5 months)

Ecole Nationale Supérieure d’Informatique et de Mathématiques Appliquées de Grenoble, National Polytechnic Institute of Grenoble, France (1999 - 1 month, 1997 - 1 month, 1995 - 6 months)

Laboratoire de Mécanique et Technologie, ENS Cachan, Paris 6 University, France (1996 - 6 months)

Centre de Mise en Forme des Matériaux, Ecole Normale Supérieure des Mines de Paris in Sophia Antipolis, France (1993 - 8 months)

GRANTS AND OTHER ACTIVITIES

1.1. Director of the IMAR subcontract in the research contract CEEX06-11-12/2006, budget 510091 RON.

1.2. Participant in research contracts: PCCE ID 100/2010, ID-PCE nr. 566/2009, PN-II-ID-PCCE-2008-1, CEEX05-D11-23/2005, CNCSIS nr. 33079/2004, CERES 4-187/2004 and CNCSIS 844/2004.

2.1. Head of the Research Group of Continuum Mechanics in the Institute of Mathematics of the Romanian Academy (2012-present).

2.2. Member of the Scientific Council of the Institute of Mathematics of the Romanian Academy (2012-present).

3.1. Evaluator of the Romanian funding programs for research (2005-present).

3.2. Expert for the European research and innovation - European Commission (2012- present).

4.1. Cooperation in the Joint Research Group on Domain Decomposition Methods for Nonlinear Problems. Applications in Applied Sciences and Engineering with Department of Mathematics, University of Bergen, Norway, under the contract nr. ICA1-CT-2000-70022 with the European Commission (2001-2004).

4.2. Responsable for the research sub-theme Domain Decomposition Methods for Nonlinear Problems in Program SCOPES 2005 - contract between Institute of Mathematics of the Romanian Academy and Ecole Polytechnique Fédérale de Lausanne, Switzerland.

4.3. Co-responsable of the projects ”Méthodes de Décomposition de Domaine pour les Problémes de Contact avec Frottement” (2008-2009, 2012-2013 and 2014- 2015) in the Laboratoire Européen Associé CNRS Franco-Roumain (LEA Math- Mode). Cooperation with Laboratoire de Mécanique et d’Acoustique CNRS et Université de Provence (Aix-Marseille 1).

5.1. Member of the International Program Commitee of the Third IMACS International Symposium on Iterative Methods in Scientific Computation, Jackson, Wyoming, USA, July 9-12, 1997.

5.2. Member of the International Program Commitee of the First International Conference on Parallel, Distributed and Grid Computing for Engineering, Pecs, Hungary, 6-8 April 2009.

5.3. Member of the International Program Commitee of The Second International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering, Ajaccio, Corsica, France, 12-15 April 2011.

5.4. Member in the Scientific Committee of the ”XI-ème Colloque Franco-Roumain de Mathématiques Appliquées”, 24-30 August, 2012, Bucharest, Romania.

5.5. Member of the International Program Commitee of The Third International Conference on Parallel, Distributed and Grid Computing for Engineering, Pécs, Hungary, 25-27 March 2013.

5.6 Member of the International Program Commitee of The Fourth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering, Dubrovnik, Croatia, 24-27 March 2015 (http://www.civil-comp.com/conf/peng2015/peng2015.htm).

6.1. Member in the Editorial Board of Mathematics and its Applications.
6.2. Member of the AMS.

7.1. Organizer (with Mickael Barboteu, University of Perpignan, France, and Andrei Constantinescu, Ecole Polytechnique, Palaiseau, France) of the special session ”Analyse, controle et approche numérique en mécanique des solides” at the ”10ème Colloque Franco-Roumain de Mathématiques Appliquées”, 26-31 August 2010, Poitiers, France.

7.2. Organizer (with Marcus Sarkis, Worcester Polytechnic Institute, USA) of the special session ”Domain Decomposition Methods and their Applications in Mechanics and Engineering” at the Joint International Meeting of the AMS and the Romanian Mathematical Society, Alba Iulia, Romania, June 27-30, 2013.

8. Referee at: IMA Journal of Numerical Analysis, Journal of Computational and Applied Mathematics, ZAMP, SIAM Journal on Numerical Analysis, Mathematical Finance, Applied Numerical Mathematics, Numerical Methods for Partial Derivative Equations, Journal of Computational Mathematics, Numerische Mathematik, Proceedings of the Romanian Academy, etc.

9. Referee at the funding proposals of the: NSF, Romanian Academy.

10. Member in the PhD Board of examiners at: Ecole Normale Superieure de Cachan (France), University of Constanta, University of Bucharest, Polytechnic University of Bucharest.

PH.D. THESIS

Title: On the parallel computing in elasto-plasticity by the Schwarz domain decomposition method

Advisor: M. Predeleanu

Board of examiners: G. Duvaut (Chairman), P. Le Tallec (Referee), Q. S. Nguyen (Referee), P. Ladevèze (Examiner), P. L. Lions (Examiner), J. F. Maitre (Examiner), M. Predeleanu (Examiner)

TEACHING EXPERIENCE

Graduate courses of numerical analysis at Faculty of Mathematics and Informatics, University of Bucharest, 2012-2013.

Graduate courses in mathematics at University of Chambéry in 2003, France.

Undergraduate courses in mathematics at Texas A&M University, College Station in 1998, USA.

Graduate courses in applied mathematics at University of Chambéry in 1996, France.

Graduate and undergraduate courses in applied mathematics at ENSIMAG, National Polytechnic Institute of Grenoble from 1995 to 1997, France.

Graduate and undergraduate courses in applied mathematics at the Polytechnic University of Ploiesti from 1994 to 1995, Romania.

Undergraduate courses in mathematics at the Polytechnic University of Bucharest from 1978 to 1980, Romania.

SYMPOSIUMS AND CONFERENCES

Global convergence rates of some multilevel methods for variational and quasivariational inequalities, 23th International Conference on Domain Decomposition Methods, ICC Jeju island, Korea, July 6-10, 2015 (http://dd23.kaist.ac.kr).

Multilevel methods for variational and quasi-variational inequalities and applications in mathematical finance, Angel Kanchev University of Ruse, Bulgaria, May 14, 2015.

Multilevel methods for variational and quasi-variational inequalities, the 22nd Conference of Industrial and Applied Mathematics - CAIM 2014 - ”Vasile Alecsandri” University of Bacau, Romania, September 18-21, 2014.

Méthodes multi-niveau et multigrille pour quelques problèmes non linéaires, 12e Colloque Franco-Roumain enMathématiques Appliquées, l’Université de Lyon, France, 25-30 aout 2014.

On the convergence rate of the multigrid methods for constrained minimization problems, Conference dedicated to Professor Nicolaie D. Cristescu on his 85th birthday, University of Bucharest, June 20, 2014.

Two-level methods for variational and quasi-variational inequalities of the second kind, Joint International Meeting of the AMS and the Romanian Mathematical Society, Alba Iulia, Romania, June 27-30, 2013.

On the convergence of some hybrid multigrid methods for variational inequalities - Anniversary Conference, Faculty of Sciences -150 years, Bucharest, 29 august-1 september, 2013.

Multigrid Method with Constraint Level Decomposition for Variational Inequalities with Contraction Operators, The Twenty First International Conference on Domain Decomposition Methods, June 25-29, 2012, Rennes, France.

Sur la convergence d’une méthode multigrille pour quelques inégalités variationnelles nonlinéaires, 11-ème Colloque Franco-Roumain deMathématiques Appliquées, 24-30 August 2012, Bucharest, Romania.

Multigrid method with constraint level decomposition for some quasi-variational inequalities, 25-th IFIP TC7 Conference on SystemModeling and Optimization, 12–16 September, 2011, Berlin, Germany.

Multigrid methods for constrained minimization problems, The Seventh Congress of Romanian Mathematicians, 27 June - 5 July, 2011, Brasov, Romania.

Multigrid methods for nonlinear problems, Exploratory Workshop: Current research topics in applied mathematics, Institute of Mathematics of the Romanian Academy, Bucharest, 22--23 September 2010 (Conference - Diaspora in Higher Education and Scientific Research in Romania Bucharest, 21--24 September 2010)
Méthodes multi-grille pour les problèmes de minimisation avec contraintes, Seminar of "Laboratoire de Mecanique et d'Acoustique", CNRS de Marseille, 3 September, 2010
Méthodes multi-grille pour les inégalités variationnelles, 10ème Colloque Franco-Roumain de Mathématiques Appliquées, University of Poitiers, France, 26-31 August, 2010
(coauthor: M. Cocou) Analyse d'une classe d'inéquations dévolution implicites et applications à des problèmes quasi-statiques de contact, 10ème Colloque Franco-Roumain de Mathématiques Appliquées, University of Poitiers, France, 26-31 August, 2010
(coauthor: M. Cocou) Approximation results for quasistatic contact problems, ECCM 2010, IV European Conference on Computational Mechanics, Paris, France, May 16-21, 2010
One- and Two-Level Domain Decomposition Methods for Nonlinear Problems, First International Conference on Parallel, Distributed and Grid Computing for Engineering, 6-8 April 2009, Pécs, Hungary
Méthodes de décomposition du domaine pour de problèmes nonlinéaires, 9-ème Colloque Franco-Roumain, 28 aout-2 septembre 2008, Brasov, Roumanie.

Additive and multiplicative Schwarz methods for inequalities with contraction operators, 6-th Congress of Romanian Mathematicians, June 28 - July 4, 2007, Bucharest, Romania
One- and two-level Schwarz methods for inequalities with nonlinear operators, SFB 611 Seminary, Institute of Applied Mathematics, University of Bonn, April 26, 2007
Méthodes de décomposition des domaines de Schwarz pour les inéquations avec opérateurs de contraction, 8ème Colloque Franco-Roumain de Mathématiques Appliquées, August 28 - Septembre 1, 2006, Chambéry, France.
Additive Schwarz method for the constrained minimization of functionals in reflexive Banach spaces, 17th International Conference on Domain Decomposition Methods, St. Wolfgang/Strobl, Austria, July 3-7, 2006.
Domain decomposition method for fixed-point problems, "Caius Iacob" National Conference of Fluid Mechanics and Tehnical Applications, November 25-26, 2005, Bucharest, Romania
Multilevel Schwarz method for the minimization with constraints of non-quadratic functionals, Conference on Applied Nonlinear Functional Analysis, June 9-11, 2005, Constanta, Romania.
Méthode Multiréseau pour la Minimisation avec Contraintes de Fonctionnelles Non-Quadratiques, Seminar of the Laboratory of Applied Mathematics, University of Chambéry, March 14, 2005, Chambéry, France.
Sur l'Evaluation des Options Américaines,7ème Colloque Franco-Roumain de Mathématiques Appliquées, August 30 - September 3, 2004, Craiova, Romania.
(coauthors: I. R. Ionescu and S. Wolf) Schwarz decomposition method in capturing dynamic friction instabilities, ECCOMAS 2004 - European Congress on Computational Methods in Applied Sciences and Engineering, 24-28 July 2004, Jyvaskyla, Finland.
Constrained minimization of non quadratic functionals by a multilevel Schwarz method, IMAR Workshop, June 22-27, 2004, Bucharest, Romania.
Schwarz-Neumann method with more than two domains, The Second European Finite Element Fair, Berlin, June 4-5, 2004, Germany.
On the Schwarz-Neumann method with an arbitrary number of domains, Institut de Mathématiques, Ecole Polytechnique Fédérale de Lausanne, March 24, 2004, Switzerland.
Méthode de Schwarz multi-échelle pour la minimisation de fonctionnelles non quadratiques, Laboratoire Jacques-Louis Lions, Pierre et Marie Curie (Paris 6) University, January 19th, 2004, France.
Multigrid methods for variational problems, Joint seminar of IMAR and Faculty of Mathematics, University of Bucharest, October 9th, 2003 (first part), October 23th, 2003 (second part), Romania.
One and two-level multiplicative Schwarz methods for the constrained minimization of non-quadratic convex functionals, Conference on New trends in continuum mechanics, September 8-12, 2003, Constanta, Romania
On a multilevel Schwarz method for the constrained minimization of non-quadratic functionals, The 15th International Conference on Domain Decomposition Methods, July 21-25, 2003, Berlin, Germany.
On a Schwarz multigrid method for the constraint minimization of non-quadratic functionals, The 5th Congres of Romanian Mathematicians, June 22-28, 2003, Pitesti, Romania.
Taux de convergence d'une méthode de Schwarz multiéchelle pour la minimisation de fonctionnelles non quadratique, November 13, 2003, Institut de Mathématiques, Ecole Polytechnique Fédérale de Lausanne, Switzerland.
(coauthor P. Daripa) A Domain Embedding/Boundary Control Method to Solve Elliptic Problems in Arbitrary Domains, The 41st IEEE Conference on Decision and Control, December 10-13, 2002, Las Vegas, Nevada.
Convergence rate of a multiplicative Schwarz method for strongly nonlinear variational inequalities, Conference on Analysis and Optimization of Differential Systems, September 10-14, 2002, "Ovidius" University, Constanta, Romania.
Taux de convergence d'une méthode de Schwarz multi-nivaux pour des inéquations variationnelles fortement nonlinéaires, 6ème Colloque Franco-Roumain de Mathématiques Appliquées, September 2-6, 2002, Perpignan, France.
Convergence rate of a one and two level Schwarz method for strongly nonlinear variational inequalities, Seminar of Applied Mathematics, April 15, 2002, University of Bucharest, Faculty of Mathematics, Romania.
Taux de convergence d'une méthode multiréseau pour des inéquations variationnelles fortement nonlinéaires, Seminar of the Laboratory of Applied Mathematics, University of Chambéry, January 29, 2002, Chambéry, France.
On the Schwarz-Neumann method with an arbitrary number of domains, Seminar of Institute of Mathematics, Bergen University, May 9, 2001, Bergen, Norway.
On an embedding domain method using a distributed optimal control, Second International Conference on Applied Mathematics, October 19-21, 2000, Baia Mare, Romania.
Sur une méthode spectrale de domaines fictifs utilisant un contr/ohat;le optimal distribué, 5ème Colloque Franco-Roumain de Mathématique Appliquées, August 28- September 1st, 2000, Constanta, Romania.
Adaptive mesh finite element method for the sedimentary basin problem, Conference of Mechanics of Solids, May 28-29, 1999, Ploiesti, Romania.
On the Schwarz-Neumann method with an arbitrary number of domains, Seminar of the Institute of Mathematics of the Romanian Academy, February 11, 1999, Bucharest, Romania.
(coathors: A. Miroux, D. Arizmendi, B. Bacroix and J. L. Raphanel) Prediction of stored energy during rolling of bcc materials as a function of final orientation using various polycrystalline models and a FE code, Annual GAMM Meeting 99, April 12-16, 1999, Metz, France.
(coathors: A. Miroux, D. Arizmendi, B. Bacroix and J. L. Raphanel) The influence of grain orientation on the stored energy during cold rolling of steels - experimental evidence and finite element simulation, Le 7ème colloque franco-polonais ''Heterogeneities of deformation'', October 22-24, 1998, Cracovia, Poland.
(coauthor J. Wang) The Schwarz method for variational inequalities with applications, Third IMACS International Symposium on Iterative Methods in Scientific Computation, July 9-12, 1997, Jackson Hole, Wyoming, USA.
Quelques conclusions sur une tentative de parallélisation, Seminar of the Laboratory of Mechanical and Thermodynamic Properties of the Materials, Paris 13 University, October 22, 1997, Paris, France.
Solution faible et approche élèments finis du problème des Options américaines, Seminar of the Laboratory of Applied Mathematics, University of Chambéry, September 26, 1997, Chambéry, France.
Sur le phénomène de cavitation dans les solides, Seminar of the Laboratory of Applied Mathematics, University of Chambéry, September 23, 1997, Chambéry, France.
On the dynamic cavitation in solids, Third International Conference on Material Processing Defects, July 1-3, 1997, Cachan, France.
La cavitation en plasticité, Seminar of the Laboratory of Modelling and Computing, Joseph Fourier University, National Polytechnic Institute of Grenoble, March 20, 1996, Grenoble, France.
Décomposition de domaines. Application à la mécanique des solides, Seminar of the Laboratory of Modelling and Computing, Joseph Fourier University, National Polytechnic Institute of Grenoble, April 4, 1996, Grenoble, France.
Cavitation et endommagement dans les solides, Seminar of the Laboratory of Mechanics and Technology, Paris 6 University, February 20, 1996, Cachan, France.
Quleques méthodes pour le calcul parallèle, Seminar of the Laboratory of Mechanics and Technology, Paris 6 University, February 6, 1996, Cachan, France.
Calcul parallèle en élasto-plasticité en utilisant la méthode de Schwarz, Seminar of the Laboratory of Applied Mathematics, University of Chambéry, January 24, 1996, Chambéry, France.
Finite element solution for a seepage flow problem through a non-homogeneous multiply-connected dam, The 5th International Conference on Boundary and Finite Element, 27-29 April, 1995, Constanta, Romania.
Damage and buckling in elasto-plastic bars, Conference of Mechanics of Solids, June 9-11, 1994, Constanta, Romania.
Calcul parallèle dans des problèmes de mécanique des solides et de mécanique des fluides par décomposition de domains, Seminar of Numerical Analysis Lyon - Saint-Etienne Universities, May 18, 1993, Saint-Etienne, France.
Sur une méthode de décomposition des domains en élasto - plasticité, Seminar of the Laboratory of Mechanics and Technology, Paris 6 University, November 11, 1992, Paris, France.
On a domain decomposition method for parallel computing in elasto-plasticity, The First European Conference on Numerical Methods in Engineering, September 7-11, 1992, Brussels, Belgium.

Last update: November 2015