Leopoldo Nachbin (7 January 1922 – 3 April 1993) was a
Jewish-Brazilian mathematician
A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems.
Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change.
History
On ...
who dealt with
topology
In mathematics, topology (from the Greek words , and ) is concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling, and bending; that is, without closing ...
, and
harmonic analysis.
Nachbin was born in
Recife
That it may shine on all ( Matthew 5:15)
, image_map = Brazil Pernambuco Recife location map.svg
, mapsize = 250px
, map_caption = Location in the state of Pernambuco
, pushpin_map = Brazil#South A ...
, and is best known for
Nachbin's theorem
In mathematics, in the area of complex analysis, Nachbin's theorem (named after Leopoldo Nachbin) is commonly used to establish a bound on the growth rates for an analytic function. This article provides a brief review of growth rates, includi ...
. He died, aged 71, in
Rio de Janeiro
Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a ...
.
Nachbin was a Ph.D. student of
Laurent Schwartz
Laurent-Moïse Schwartz (; 5 March 1915 – 4 July 2002) was a French mathematician. He pioneered the theory of distributions, which gives a well-defined meaning to objects such as the Dirac delta function. He was awarded the Fields Medal in ...
.
His Ph.D. students include
Francisco Antônio Dória and
Seán Dineen.
He was an
invited speaker at the International Congress of Mathematicians
This is a list of International Congresses of Mathematicians Plenary and Invited Speakers. Being invited to talk at an International Congress of Mathematicians has been called "the equivalent, in this community, of an induction to a hall of fame." ...
(ICM) of 1962 in Stockholm.
[International Mathematical Union (IMU) ]
"ICM Plenary and Invited Speakers since 1897"
''mathunion.org''. Retrieved on 8 July 2017.
Bibliography
*''Topology and Order'' (Krieger Pub. Co., 1965)
*''Introdução à Álgebra'' (McGraw-Hill, 1971, in Portuguese)
References
* J. Horváth.
ttps://books.google.com/books?id=cAIMuQAACAAJ The life and works of Leopoldo Nachbin
External links
*
Leopoldo Nachbin, 1922-1993Os trabalhos de Leopoldo Nachbin (1922-1993), by Jorge Mujica, in Portuguese, free translation: "The Works of Leopoldo Nachbin (1922-1993)"
20th-century Brazilian mathematicians
1922 births
1993 deaths
Brazilian Jews
Topologists
Instituto Nacional de Matemática Pura e Aplicada researchers
Mathematical analysts
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