Mojżesz Dawid cherry brown

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Mojżesz Dawid Kirszbraun (* 1903 or 1904; † 1942 in the Warsaw Ghetto ) was a Polish mathematician.

Mojżesz Dawid Kirszbraun finished school (Kreczmar-Gymnasium) in 1922 and then studied together with his classmate Adolf Lindenbaum at the University of Warsaw . He later worked as an actuary for an insurance company. He died in the Warsaw Ghetto in 1942 .

Kirszbraun is known from Kirszbraun's theorem, named after him, about the continuability of Lipschitz continuous functions in Euclidean space . This sentence originally comes from his master’s dissertation (1930), a further development was published in 1934 in Fundamenta Mathematicae .

Individual evidence

  1. ↑ A post ( memento of the original from June 12, 2011 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. by Edward Marczewski in Polski Słownik Biograficzny , Volume XII, page 486 @1@ 2Template: Webachiv / IABot / www.math.psu.edu
  2. ↑ MD Kirszbraun: About the contracting and Lipschitzian transformations , Fund. Math. (1934) Volume 22, Pages 77-108
personal data
SURNAME Kirszbraun, Mojżesz Dawid
BRIEF DESCRIPTION Polish mathematician
DATE OF BIRTH 1903 or 1904
DATE OF DEATH 1942
Place of death Warsaw Ghetto