How to Pronounce Pavel Urysohn
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Feb 03, 1898 Odessa, Odessa Oblast, Ukraine Died on 17 Aug 1924 (aged 26)
Russian mathematician
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About Pavel Urysohn
- Pavel Samuilovich Urysohn (??´??? ?????´????? ?????´?) (February 3, 1898 – August 17, 1924) was a Soviet mathematician who is best known for his contributions in dimension theory, and for developing Urysohn's metrization theorem and Urysohn's lemma, both of which are fundamental results in topology.
- His name is also commemorated in the terms Urysohn universal space, Fréchet–Urysohn space, Menger–Urysohn dimension and Urysohn integral equation.
- He and Pavel Alexandrov formulated the modern definition of compactness in 1923. Born in 1898 in Odessa, Urysohn studied at Moscow University from 1915 to 1921.
- His advisor was Nikolai Luzin.
- He then became an assistant professor there.
- He drowned in 1924 while swimming off the coast of Brittany, France, near Batz-sur-Mer, and is buried there. Urysohn's sister, Lina Neiman, wrote a memoir about his life and childhood.
- Not being a mathematician, she included in the book memorial articles about his mathematical works by Pavel Alexandrov, Vadim Efremovich, Andrei Kolmogorov, Lazar Lyusternik, and Mark Krasnosel'skii.
