Samuel Eilenberg (September 30, 1913-January 30, 1998) was a Polish mathematician. He was born in Warsaw, Poland and died in New York, USA.
His main interest was topology. He worked on the axiomatic treatment of homology theory with Norman Steenrod, and on homological algebra with Saunders Mac Lane, wrote a book on homological algebra with Henri Cartan that became a classic, and took part in the Bourbaki group meetings. Later in life he worked mainly in pure category theory, being one of the founders of the field. The Eilenberg telescope is a surprising construction, applying the telescoping cancellation idea to projective modules. Eilenberg also wrote an important book on automata theory.
X-machines (a form of automata) were introduced in 1974 by Samuel Eilenberg.
See also
Stefan Banach, Stanislaw Ulam.
References
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