# Mathematician:Ciprian Ilie Foiaș

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## Mathematician

Romanian mathematician awarded for his contributions in operator theory.

## Nationality

Romanian

## History

- Born: 20 July 1933 in Reșița, Caraș County, Kingdom of Romania

## Theorems and Inventions

- Foiaș Constant which comes in two forms:

Definitions of concepts named for **Ciprian Ilie Foiaș** can be found here.

## Publications

- 1967:
*Analyse harmonique des opérateurs de l'espace de Hilbert*(with Béla Sz.-Nagy)

## Also known as

His surname is often rendered without the diacritic: **Foias**.