Mathematician:Béla Szőkefalvi-Nagy

Mathematician

Hungarian mathematician who contributed to the theory of Fourier series and approximation theory.

His most important achievements were made in functional analysis, especially in the theory of Hilbert space operators.

Nationality

Hungarian

History

• Born: 29 July 1913 in Kolozsvár
• Died: 21 December 1998 in Szeged

Theorems and Definitions

• Sz.-Nagy's Dilation Theorem
• Erdős-Nagy Theorem (with Paul Erdős)

Results named for Béla Szőkefalvi-Nagy can be found here.

Publications

• 1942: Spektraldarstellung linearer Transformationen des Hilbertschen Raumes
• 1953: Leçons d'analyse fonctionnelle (with Frigyes Riesz)
• 1967: Analyse harmonique des opérateurs de l'espace de Hilbert (with Ciprian Foiaş)
• 1988: Funkcionálanalízis (with Frigyes Riesz)
• 1990: Functional Analysis (with Frigyes Riesz) (translation of Funkcionálanalízis)