Stefan Banach [2]
Stefan Banach (1892-1945)
Face value: 2 pln
Alloy: (CuAl5Zn5Sn1) NG
Diameter: 27 mm
Weight: 8.15 g
Finish: standard
Mintage: 800000 pcs
On the edge: an inscription, NBP, repeated eight times, every second one inverted by 180 degrees, separated by stars
Additional: no
Date of issue: 2012-04-03
Issue price: 2 pln
Designer: Robert Kotowicz
Designer: Ewa Tyc-Karpińska
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Article linked with this coin
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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