Antoni Zygmund

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Antoni Zygmund
Antoni Zygmund
Born (1900-12-25)December 25, 1900
Warsaw, Congress Poland
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Chicago, Illinois, United States
Citizenship Polish, American
Nationality Polish
Fields Mathematics
Institutions University of Chicago
Stefan Batory University
Alma mater Uniwersytet Warszawski
Doctoral advisor Aleksander Rajchman
Stefan Mazurkiewicz
Doctoral students Alberto Calderón
Leonard Berkovitz
Elias M. Stein
Paul Cohen
Eugene Fabes
Known for Singular integral operators
Notable awards Leroy P. Steele Prize (1979)
National Medal of Science (1986)

Antoni Zygmund (December 25, 1900 – May 30, 1992) was a Polish mathematician. He is considered one of the greatest analysts of the 20th century. His main area of interest was harmonic analysis.


Born in Warsaw, Zygmund obtained his PhD from Warsaw University (1923) and became a professor at Stefan Batory University at Wilno (1930–39). In 1940, during the World War II occupation of Poland, he emigrated to the United States and became a professor at Mount Holyoke College in South Hadley. From 1945 until 1947 he was a professor at the University of Pennsylvania, and from 1947 at the University of Chicago.

He was a member of several scientific societies. From 1930 until 1952 he was a member of the Polish Society of Friends of Science[disambiguation needed] (TNW), from 1946 a member of the Polish Academy of Learning (PAU), from 1959 a member of the Polish Academy of Sciences (PAN), and from 1961 a member of the National Academy of Science in Washington, D.C.. In 1986 he received the National Medal of Science.

His main interest was harmonic analysis. He wrote in Polish what soon became, in its English translation, the standard text in analysis, the two-volume Trigonometric Series. His students included Alberto Calderón, Paul Cohen, Nathan Fine, Józef Marcinkiewicz, Victor L. Shapiro, Guido Weiss, and Elias Stein. He died in Chicago.

His work has had a pervasive influence in many fields of mathematics, particularly in mathematical analysis. Perhaps most important was his work with Calderón on singular integral operators.

Mathematical objects named after Antoni Zygmund


  • Trigonometric Series (Cambridge University Press 1959, Dover 1955)
  • Intégrales singulières (Springer-Verlag, 1971)
  • Trigonometric Interpolation (University of Chicago, 1950)
  • Measure and Integral: An Introduction to Real Analysis, With Richard L. Wheeden (Marcel Dekker, 1977)

See also


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  2. The 2nd edition (Cambridge U. Press, 1959) consists of 2 separate volumes. The 3rd edition (Cambridge U. Press, 2002) consists of the two volumes combined with a foreword by Robert A. Fefferman.
  3. Lua error in package.lua at line 80: module 'strict' not found. The first edition (vol. V of the series Monografje Matematyczne, 1935) consists of iv+320 pp. The third edition consists of foreword: xii; vol. I: xiv+383 pp.; vol. II: viii+364 pp.

Further reading

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External links