Dedicated to the outstanding mathematician, teacher, engineer-designer, academician of the National Academy of Sciences of Ukraine, Honorary Scientist and Technician of Ukraine, awarded with several state and scientific prizes, Alekséi Pogorélov. The Bank of Ukraine issued on June 3 a coin with a facial of 2 grivnas in recognition of this illustrious personage.
Pogorélov's research made it possible to complete the development of the theory of complete irregular convex surfaces and laid the foundations of the nonlinear geometrical theory of shells, the most common elements of modern constructions. Alekséi Pogorélov is the author of dozens of monographs and textbooks (in particular, the textbook on geometry and the university textbooks on analytical and differential geometry), most of which are translated into English.
On the obverse of the coin: at the top is the Small State Emblem of Ukraine, on both sides of which are the inscriptions: NATIONAL (on the left), BANK OF UKRAINE (on the right); in the center, on a mirror background, a stylized composition: a helicoid (screw surface) is represented, against which the polygonal approximation of the curve and the face value is 2, under the name of the coin GRIVNA; The year of issue of the currency, 2019, (left), and logo of the Mint of the National Bank of Ukraine (right), complete the composition.
On the back of the coin on a mirror background is a portrait of Alekséi Pogorélov, to the left of which there is an abstract figure that symbolizes the topological studies of mathematics in geometry, and the inscriptions: ALEKSÉI / POGORÉLOV / 1919 - 2002.
Features
Face value: 2 grivnas
Metal: Alpaca (German silver)
Diameter: 31 mm
Weight: 12.8 g
Issue volume: 35,000
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