Coin "Stefan Banach"

Стефан Банах

Name Stefan Banach
Presented by National Bank of Poland
Nominal value 10 zloty
Metal Silver 925°
Weight 14,14 g
Diameter 32,00 mm
Thickness 3,10 mm
Mintage 45000 pcs.
Production quality Proof
Description of obverse and reverse Obverse: 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.<br> Reverse: 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.
A brief annotation A mathematical formula applied in the Hahna-Banach theorem placed on the cuboid faces; points forming circles; an inequality illustrating a connection between linear operators in Banach spaces. Stefan Banach – the greatest Polish mathematician and co-founder of the famous Polish School of Mathematics, the journal "Studia Mathematica", the series "Mathematical Monographs"; author of the world famous mathematical concepts and theorems: Banach-Steinhaus theorem - one of the fundamental theorems of functional analysis, the concept of Banach spaces, the Hahn-Banach theorem, Banach fixed-point theorem.
Designer Robert Kotowicz
Producer Mint of Poland

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Владимир Борисов
Много в монете интересного в элементах, учитывая про что тема
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