Ciprian Foias
Ciprian Foias in Tokyo 1969
Born
Ciprian Ilie Foiaș

(1933-07-20)20 July 1933
Reșița, Caraș County, Kingdom of Romania
Died22 March 2020(2020-03-22) (aged 86)
Tempe, Arizona, United States of America
NationalityRomanian
Alma materUniversity of Bucharest
AwardsWiener Prize (1995)
Scientific career
FieldsMathematics
InstitutionsIndiana University
University of Bucharest
Doctoral advisorMiron Nicolescu
Doctoral studentsZoia Ceaușescu
Adrian Ocneanu
Dan-Virgil Voiculescu

Ciprian Ilie Foiaș (20 July 1933 – 22 March 2020) was a Romanian-American mathematician. He was awarded the Norbert Wiener Prize in Applied Mathematics in 1995, for his contributions in operator theory.

Education and career

Born in Reșița, Romania, Foias studied mathematics at the University of Bucharest. He completed his dissertation in 1957,[1] but was not allowed to defend his thesis by the Communist government until 1962.[2] He received his doctorate in 1962 under supervision of Miron Nicolescu.

Foias defected to France following his lecture at the International Congress of Mathematicians in 1978. He later emigrated to the United States.[1]

Foias taught at his alma mater (1966–1979), Paris-Sud 11 University (1979–1983), and Indiana University (1983 until retirement). Beginning in 2000, he was a teacher and researcher at Texas A&M University, where he was a Distinguished Professor.

The Foias constant is named after him. Foias is listed as an ISI highly cited researcher.[3]

Together with Sz-Nagy, Foias proved the celebrated commutant lifting theorem.

He died in Tempe, Arizona on March 22, 2020.[4]

Publications

  • with Béla Szőkefalvi-Nagy: Harmonic analysis of operators on Hilbert Space. North Holland 1970 (Translated from the French; first edition: Masson 1967). MR0275190
  • with Roger Temam, Oscar Manley, and Ricardo Rosa: Navier Stokes equations and Turbulence. Cambridge University Press, 2001.
  • with Peter Constantin, Roger Temam: Attractors representing turbulent flows. American Mathematical Society, 1985.
  • with Peter Constantin: Navier Stokes Equations. University of Chicago Press, 1988.
  • with Hitay Özbay, Allen Tannenbaum: Robust control of infinite dimensional systems. Springer, 1995.
  • with Hari Bercovici, Carl Pearcy: Dual algebras with applications to invariant subspaces and dilation theory. American Mathematical Society, 1985.
  • with Ion Colojoară: Theory of generalized spectral operators. Gordon and Breach, 1968.
  • with Peter Constantin, Roger Temam, and Basil Nicolaenko: Integral Manifolds and Inertial Manifolds for Dissipative Partial Differential Equations. Springer-Verlag, Applied Mathematical Sciences Series, volume 70, 1988.

See also

References

  1. 1 2 Becker, Robert A.; Bercovici, Hari; Biswas, Animikh; Cheskidov, Alexey; Constantin, Peter; Eden, Alp; Frazho, Art; Jolly, Michael; Kukavica, Igor; Pearcy, Carl; Rosa, Ricardo M S.; Saut, Jean-Claude; Tannenbaum, Allen; Temam, Roger; Titi, Edriss; Voiculescu, Dan (October 2022). "Remembrances of Ciprian Ilie Foias" (PDF). Notices of the American Mathematical Society. 69 (9): 1529–1545. doi:10.1090/noti2545.
  2. ↑ "Obituary: Ciprian Ilie Foias". Retrieved 2022-09-24.
  3. ↑ "List of ISI highly cited researchers".
  4. ↑ "Obituary for Ciprian Foias". 23 March 2020. Retrieved March 23, 2020.
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