Ihre Suche nach Algebraische Topologie

Lectures given at a Summer School of the Centro Internazionale Matematico Estivo (C.I.M.E.) held in L'Aquila, Italy, September 2-10, 1966

Perron-Frobenius and Faber-Krahn Type Theorems

Towards the Classification of Atoms of Degenerations, III

Lectures given at a Summer School of the Centro Internazionale Matematico Estivo (C.I.M.E.) held in Urbino (Pesaro), Italy, July 2-12, 1962

Lectures given at a Summer School of the Centro Internazionale Matematico Estivo (C.I.M.E.) held in Saltino (Firenze), Italy, August 23-31, 1960

The Categorial Analysis of Logic

State of the Art and Recent Advances