Boris Yakovlovic Bukreev (September 6, 1859 - October 2, 1962) was a Ukrainianmathematician who worked in the areas of complex functions and differential equations. September 6 is the 249th day of the year (250th in leap years). ... 1859 is a common year starting on Saturday. ... October 2 is the 275th day (276th in leap years) of the year in the Gregorian Calendar, with 90 days remaining. ... 1962 (MCMLXII) was a common year starting on Monday (link will take you to calendar). ... This article is in need of attention from an expert on the subject. ... Complex analysis is the branch of mathematics investigating holomorphic functions, i. ... In mathematics, a differential equation is an equation in which the derivatives of a function appear as variables. ...
In 1889, Bukreev became a professor of mathematics at the University of Kiev, in the Ukraine. He studied Fuchsian functions of rank zero. He was interested in projective and non-Euclidean geometry. He worked on differential invariants and parameters in the theory of surfaces. The history of mathematics interested him. 1889 was a common year starting on Tuesday (see link for calendar). ... Mathematics is often defined as the study of topics such as quantity, structure, space, and change. ... Shevchenko Kyiv University in Kyiv is the largest and most important university of Ukraine. ... Behavior of lines with a common perpendicular in each of the three types of geometry The term non-Euclidean geometry (also spelled: non-Euclidian geometry) describes both hyperbolic and elliptic geometry, which are contrasted with Euclidean geometry. ...
Books
A Course on Applications of Differential and Integral Calculus to Geometry
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