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# Ellis Kolchin

Ellis Robert Kolchin (April 18, 1916–October 30, 1991) was an American mathematician at Columbia University in the late 20th century. Kolchin earned a doctorate in mathematics from Columbia University in 1941 under supervision of Joseph Ritt. He was awarded a Guggenheim Fellowship in 1954 and 1961.

See also

* Kolchin topology

* Lie–Kolchin theorem

External links

* O'Connor, John J.; Robertson, Edmund F., "Ellis Kolchin", MacTutor History of Mathematics archive, University of St Andrews, http://www-history.mcs.st-andrews.ac.uk/Biographies/Kolchin.html .

* Ellis Kolchin at the Mathematics Genealogy Project

* New York Times obituary: Prof. Ellis R. Kolchin Dies at 75; A Shaper of Differential Algebra

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