Tudor Rațiu

Tudor Stefan Rațiu (born March 18, 1950) is a Romanian-American mathematician who has made contributions to geometric mechanics and dynamical systems theory.

Education Rațiu was born in Timișoara. His father, , an engineer, was the younger brother of Ion Rațiu, a well-known Romanian politician, while his mother, Rodica Bucur, was a piano professor at the Conservatory of Music in Timișoara. Ratiu did his undergraduate studies at the Politehnica University of Timișoara, completing his B.Sc. in 1973 and his M.S. in 1974.

After moving to the United States, he completed his Ph.D. degree at the University of California, Berkeley in 1980; his dissertation, written under the supervision of Jerrold E. Marsden, was titled Euler-Poisson Equations on Lie Algebras.

Career From 1980 to 1983 Ratiu was a T. H. Hildebrandt Research Assistant Professor at the University of Michigan, after which he became an Associate Professor of Mathematics at the University of Arizona. In 1987 he moved to the University of California, Santa Cruz, where he became a Professor of Mathematics in 1988.

In 1998 Ratiu moved to the École Polytechnique Fédérale de Lausanne, where he was a professor until 2015.

Ratiu received a Sloan Research Fellowship in 1980, In 2003, he was awarded the Order of the Star of Romania, Commander rank.

Publications