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Kazimierz Kuratowski
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
Biography of Kuratowski