Kazimierz Kuratowski
From open-encyclopedia.com - the free encyclopedia.
Kazimierz Kuratowski (born February 2 1896, Warsaw, died June 18, 1980, Warsaw) was a Polish mathematician.
Among his contributions to mathematics are:
- a characterization of Hausdorff spaces in terms of what are now called Kuratowski closure axioms;
- the proof of the Kuratowski-Zorn lemma
- in graph theory, the characterization of planar graphs now known as the Kuratowski's theorem
External links
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pl:Kazimierz Kuratowski
