Stefan Banach [10]

Stefan Banach (1892-1945)

Subject: no
Face value: 10 pln
Alloy: 925/1000 Ag
Diameter: 32 mm
Weight: 14.14 g
Finish: proof
Mintage: 45000 pcs
On the edge: smooth
Additional: no
Date of issue: 2012-04-03
Issue price: 96 pln
In the centre, against a background of points forming circles, a stylised image of a bust of Stefan Banach. On the left, at the top, an inscription: STEFAN/BANACH. Below it, an inscription: 1892-1945. At the bottom, an inequality illustrating a connection between linear operators in Banach spaces.

Designer: Robert Kotowicz
In the centre, a stylised image of a cuboid with a mathematical formula applied in the Hahna-Banach theorem placed on the cuboid faces. Underneath, an inscription: 10 ZŁ. Above it, on the right, an image of the Eagle established as the state emblem of the Republic of Poland. On the right of the Eagle, diagonally, the notation of the year of issue: 2012. At the top, a semicircular inscription: RZECZPOSPOLITA POLSKA (Republic of Poland). Under the Eagle, on the right, the Mint’s mark: M/W.

Designer: Robert Kotowicz

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Article linked with this coin

Stefan Banach

Stefan Banach (1892-1945) was the greatest Polish mathematician and co-founder of the famous Polish School of Mathematics developed in the interwar period of 1918-1939. One of the major prizes of the Polish Mathematical Society (which he co-founded and chaired in the years 1939-1945) and the medal of the Polish Academy of Sciences awarded alternately to either a Polish or a foreign mathematician every year, are named after Stefan Banach. His name is associated with a number of mathematical concepts and theorems, in particular the concept of Banach spaces, the Hahn-Banach theorem and the Banach fixed-point theorem (to which the images on the collector coins are linked). These concepts and theorems are presently not only known to professional mathematicians, but also to students ...

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