Semyon Aronovich Gershgorin

Semyon Aronowitsch Gerschgorin ( Russian Семён Аронович Гершгорин * August 11 ^{. Jul} / 24. August 1901 ^greg. In pruzhany , Russian Empire ; † 30th May 1933 ) was a Belarusian-Soviet mathematician. He became internationally known for his theorem about the Gerschgorin circles , which include the eigenvalues of a matrix .

He studied at the Petersburg Technological Institute from 1923 and became a professor at the Leningrad Mechanical Engineering Institute in 1930. He worked in the mathematical branches of algebra , function theory , numerical mathematics and the theory of differential equations .

Gerschgorin also constructed an apparatus for drawing ellipses, one of which is in the Deutsches Museum in Munich.

literature

S. Gerschgorin: About the delimitation of the eigenvalues of a matrix, Izvestija Akademii nauk SSSR, series 7, Otdelenie matematičeskich i estestvennych nauk, Volume 6, 1931, pages 749-754.
RS Varga: Geršgorin and His Circles. Berlin: Springer-Verlag, 2004. ISBN 3540211004 . - Online edition urn : nbn: de: 1111-20110105421
Гершгорин Семен Аронович, In: А.Г. Курош (Ed.): Математика в СССР за сорок лет. 1917–1957 (AG Kurosch (ed.): Mathematics in the USSR through forty years. 1917–1957 ), Volume 2, Физматгиз (Fismatgis), Moscow 1959, page 173 (Russian)

Web links

John J. O'Connor, Edmund F. Robertson : Semyon Aranovich Gershgorin. In: MacTutor History of Mathematics archive .
Short biography , Great Biographical Encyclopedia (Russian)
Gary J. Tee: Semyon Aronovich Gershgorin , The Bulletin of the International Linear Algebra Society IMAGE, Issue 32, 2004, pages 2–5 (English)

personal data
SURNAME	Gershgorin, Semyon Aronovich
ALTERNATIVE NAMES	Гершгорин, Семён Аронович (Russian); Geršgorin, Semën Aronovič (scientific transliteration); Gershgorin, Semyon Aronovich (English name form)
BRIEF DESCRIPTION	Belarusian-Soviet mathematician
DATE OF BIRTH	August 24, 1901
PLACE OF BIRTH	Pruschany , Belarus
DATE OF DEATH	May 30, 1933