Education
1979–1983 Doctorat ès Sciences (Mathématiques), Université de Genève.
1975–1979 Diplôme de mathématicien, Université de Genève.
Employment
Aug 2015– Professor Emeritus, Louisiana State University, Baton Rouge.
2000–2015 Professor, Louisiana State University, Baton Rouge.
1992–2000 Associate Professor, Louisiana State University, Baton Rouge.
1987–1992 Assistant Professor, Louisiana State University, Baton Rouge.
1985–1987 Visiting Assistant Professor, Louisiana State University, Baton Rouge.
1984–1985 Post–doctoral fellow, FNRS. Host institution: Universität Göttingen
1979–1984 Graduate assistant, Université de Genève.
Long research visits to other institutions
01-07/2014 Visiting researcher, École Polytechnique Fédérale, Lausanne, Switzerland.
Spring 2005 Visiting researcher, École Polytechnique Fédérale, Lausanne, Switzerland.
Spring 1998 Visiting researcher, Institut des Hautes Études Scientifiques, Bures-sur-Yvette, France.
Summer 1992 Visiting researcher, MSRI, Berkeley, CA.
AY 1990-91 Visiting researcher, Institut des Hautes Études Scientifiques, Bures-sur-Yvette, France.
Spring 1990 Visiting researcher, Université de Genève, Switzerland.
Fall 1989 Visiting researcher, Forschungsinstitut für Mathematik ETH, Zürich, Switzerland.
AY 87-88 Visiting researcher, Université de Genève, Switzerland.
Languages
English, fluent (speaking, reading, writing).
French, fluent (speaking, reading, writing).
Spanish, native language.
German, intermediate (speaking, reading); basic (writing).
Editorships
2014 – 2015 Journal of Number Theory, guest editor for the special issue
in honor of Winnie Li.
2002 – Boletim da Sociedade Paranaense de Matemática, Brazil.
Membership in professional societies
American Mathematical Society.
European Mathematical Society.
Société Mathématique Suisse.