Person: Zolotarev, Egor Ivanovich
Egor Zolotarev was a Russian mathematician who produced fundamental work on analysis and number theory.
Mathematical Profile (Excerpt):
 Egor Ivanovich attended the Gymnasium in St Petersburg completing his school education in 1863.
 After leaving school Zolotarev enrolled at the Faculty of Physics and Mathematics of St Petersburg University.
 The doctoral dissertation that Zolotarev went on to write would be closer to the German habilitation.
 Two years later Zolotarev was appointed as Professor of Mathematics at St Petersburg Faculty of Physics and Mathematics.
 We will indicate below some of Zolotarev's remarkable mathematical achievements some of which were consequences of problems which he discussed with Kummer and Hermite while on his trips.
 In a short eleven year career Zolotarev produced fundamental work in approximation theory, quadratic forms, algebraic numbers and elliptic integrals.
 Nalbandjan was able to examine Zolotarev's notebooks, including lecture notes he made while a student.
 Zolotarev emphasised the relationship between elliptic functions and functions of a complex variable.
 Zolotarev was able to give a much more effective solution.
 Zolotarev worked with Korkin on quadratic forms.
 Zolotarev posed four problems in approximation theory all of which he was able to solve.
Born 12 April 1847, St Petersburg, Russia. Died 19 July 1878, St Petersburg, Russia.
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References
Adapted from other CC BYSA 4.0 Sources:
 Oâ€™Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive