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Pedro Nowosad

Pedro Nowosad, Brazilian mathematician (Porto Alegre 30 June 1934-

From Polish father and Bessarabian mother
Introduced concept of Gerschgorin family or G-function in Anais Acad. Bras. Ciencias 37:163-5, 1965.

Introduced idea of regular boundary

Isoperimetric eigenvalue problems in algebras. Comm. Pure Appl. Math. 21: 401-65, 1968

With R. Tovar showed validity of Carleman’s inequalities in reflexive Orlicz spaces



Honorary Full Professor, Istituto per la Ricerca di Base, Monteroduni, Italy (1995)


Nowosad-Tovar inequality

Nowosad G functions

Nowosad theorem  

Nowosad lemma