Education

1980, Ph.D., University of California, Berkeley, USA

1974, M.A., University of Timisoara, Romania

1973, B.Sc., University of Timisoara, Romania

Work Experience

2025-present: Chair Professor, Fuyao University of Science and Technology, China

2016-2025: Chair Professor of Mathematics, Shanghai Jiao Tong University, China

2015-present: Emeritus Prof. of Mathematics, Ecole Polytechnique F′ ed′ erale de Lausanne, Switzerland

2014-2015: Deputy Director, Center of Mathematical Sciences, Skolkovo Institute of Science and Technology, Skolkovo, Moscow Region, Russia

2014-2015: Professor of Mathematics, Skolkovo Institute of Science and Technology, Skolkovo, Moscow Region, Russia

2002-2014: Director, Bernoulli Center, Ecole Polytechnique F′ ed′ erale de Lausanne, Switzerland

1998-2015: Chair of Geometric Analysis, Ecole Polytechnique F′ ed′ erale de Lausanne, Switzerland

2001-present: Emeritus Professor of Mathematics, University of California, Santa Cruz, USA 

1988-2001: Professor of Mathematics, University of California, Santa Cruz, USA

1987-1988: Associate Professor of Mathematics, University of California, Santa Cruz, USA

1983-1988: Associate Professor of Mathematics, University of Arizona, Tucson, USA

1980-1983: T.H. Hildebrandt Research Assistant Professor, University of Michigan, Ann Arbor, USA

1976-1980: Teaching Associate, University of California, Berkeley, USA

1974-1975: Programmer, Central Institute of Management, Bucharest, Romania

Research Interests

Geometric Mechanics; Hamiltonian Dynamics

Visiting Positions

Fall 2015, Pontif′?cia Universidade Católica and Instituto Nacional de Matemática Pura e Aplicada, Rio de Janeiro, Brazil

Winter 2015, Erwin Schr?dinger Institute for Mathematical Physics, Vienna, Austria

Summer 2014, Isaac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom

Winter 2013, Lomonosov Moscow State University, Moscow, Russia

Winter, Summer 2014, Isaac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom

Summer 2012, Lomonosov Moscow State University, Moscow, Russia

Summer 2012, Fields Institute for Mathematical Sciences, Toronto, Canada

Spring 2011, Institut de Hautes Etudes Scientifiques, Bures-sur-Yvette, France

Spring 2011, Institute for Advanced Study, Princeton, USA

Winter 2011, Applied and Computational Mathematics, Caltech, Pasadena, California, USA

Fall 2010, Consejo Superior de Investigaciones Cient′?ficas, Madrid, Spain

Spring 2010, Mathematical Sciences Research Institute, Berkeley, USA

Fall 2009, Mathematical Sciences Research Institute, Berkeley, USA

Summer 2009, Universidad Nacional del Sur, Bahia Blanca, Argentina

Fall 2007, Universit′ e de Paris Sud, Orsay, France

Fall 2005, University of Padova, Italy

Spring 2005, University of Haifa, Israel

Summer 2005, Abdus Salam ICTP Trieste, Italy

Summer 2003, CNRS researcher at the Institut Non Lin′ eaire de Nice, Nice, France

Summer 2003, Erwin Schr?dinger Institute for Mathematical Physics, Vienna, Austria, as organizer of the program Geometry of the Moment Map

Spring 2002, Universit′ e de Paris VI, Paris, France

Summer 2002, Mathematisches Institut, Technische Universit?t München, Germany

Summer 2001, Mathematisches Institut, Technische Universit?t München, Germany

Summer 1999, Mathematisches Institut, Technische Universit?t München, Germany

Summer 1997, Keio University, Yokohama and RIMS, Kyoto, Japan; University of Padova, Italy

Summer 1996, Isaac Newton Institute for Mathematical Sciences, Cambridge, United Kingdom

Spring 1996, Universidad Nacional del Sur, Bahia Blanca, Argentina

1994-95, Institut des Hautes Etudes Scientifiques, Bures-sur-Yvette, France

Spring 1995, Weizmann Institute, Rehovot, Israel

Summer 94, Erwin Schr?dinger Institute for Mathematical Physics, Vienna, Austria

Winter 94, Mathematical Sciences Research Institute and Department of Mathematics,

UC Berkeley, USA, as a Miller Research Professor

Summer 93, Erwin Schr?dinger Institute for Mathematical Physics, Vienna, Austria

Winter 93, Fields Institute for Research in Mathematical Sciences, Waterloo, Canada

Spring 92, Universit′ e de Paris VI, Paris, France

Summer 90, Max Planck Institute for Mathematics, Bonn, Germany

Spring 90, Universit′ e des Sciences et Techniques du Languedoc, Montpellier, France

Fall 89, Mathematical Sciences Institute, Cornell University, Ithaca, New York, USA

1988-89, Mathematical Sciences Research Institute, Berkeley, California, USA

1984-87, Eight months of each year at the University of California, Berkeley, as a visiting scholar

1983-84, Mathematical Sciences Research Institute, Berkeley, California, USA

Summer 84, Max Planck Institute for Mathematics, Bonn, Germany

Fall 83, Center for Nonlinear Studies, Los Alamos National Laboratory, USA

Awards and Honours

2016, International prize “Tullio Levi-Civita” for the Mathematical and Mechanical Sciences, International Research Center on Mathematics and Mechanics of Complex                       Systems, Università degli Studi dell’Aquila, Italy.

2015, Award of Excellence in Sciences from the American-Romanian Academy of Arts and Sciences

2012, AMS Fellow (first year of the program)

2011, Winner of the Russian Megagrant for three years

2010, Honorary Adjunct Professor, Graduate School of Information Technology and Mathematical Sciences, University of Ballarat, Mount Helen, Victoria, Australia

2009, Award of the Romanian Academy for excellence in research and collaboration with Romania

2005, Honorary member: “Simion Stoilow” Mathematics Insitute, Romanian Academy, Bucharest

2003, Awarded the medal Star of Romania, commander rank

2002, Plenary speaker at the annual meeting of the Swiss Mathematical Society, Davos

2001, Plenary speaker at the joint Austrian-German annual Mathematical Society Meeting, Vienna

2000, Ferran Sunyer i Balaguer Prize winner, Institut d’Estudis Catalans, Barcelona

1998, Plenary invited lecturer at the annual AMS meeting in Baltimore, MD

1997, Humboldt Senior Professorship Prize

1996, Phillips Lecturer, Haverford College

1995, Plenary invited lecturer at the annual SMM meeting in Colima, Mexico

1994-95, Fulbright and IHES Fellow, Bures-sur-Yvette, France

Winter 1994, Miller Research Professor at UC Berkeley

1984-87, A. P. Sloan Foundation Fellow

1983-86, N.S.F. Postdoctoral Fellow

Winter 1978, Brandeis University Graduate Fellowship

1972-74, Romanian National Merit Student Fellowship

Bibliometric Data

MathSciNet: 3401 citations by 2026 authors

Google Scholar citations: All: h-index 52, i10-index 143, 22792 citations; since 2011: h-index 29, i10-index 82, 6904 citations

Grants

Agence Nationale de la Recherche, France, Unfold Mechanics Network, 2016-17.

CAPES Brazilian grant, Ci? encia sem fronteiras, 2015.

Megagrant of the Russian Federation 2011-2013.

Fonds national de recherche suisse, member of the team of the twelve year SwissMAP grant, 2014–2026.

Fonds national de recherche suisse, Bernoulli Center grants: 2002-15 (one annual and six biennial grants).

Fonds national de recherche suisse, personal research grants: 1998-00, 2000-02 (two grants), 2002-04, 2003-05, 2005-07 (two grants), 2007-09, 2008-10, 2009-11, 2010-12, 2012-15.

Swiss SCOPES grants: 2001-04, 2005-08.

Swiss SCIEX grant: 2011-12.

Sixth Framework EU Marie Curie RTN Grant European Network in Geometry, Mathematical Physics, and Applications, ENIGMA, 2004-2007, as member of the Swiss node

Fifth Framework EU Marie Curie RTN Grant Mechanics and Symmetry in Europe, MASIE, 2000-04, as node coordinator

NSF/USA: 1981-83, 1983-87 (NSF postdoc), 1987-90, 1990-92, 1992-95, 1995-98, 1998-01

DOE/USA: 1992-95, 1995-99

ONR/USA: 1992-95

ARO-URI/USA: 1987-88

AFOSR-DARPA/USA: 1987-89