Zygmunt Janiszewski
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Zygmunt Janiszewski was a Polish mathematician, indpendence activist, a leading representative of the Warsaw School of Mathematics and the initiator of the idea of the Polish School of Mathematics.
Zygmunt Janiszewski
Henri Lebesgue
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Henri Léon Lebesgue was a French mathematician known for his theory of integration, which was a generalization of the 17th-century concept of integration—summing the area between an axis and the curve
Zygmunt Janiszewski
…David Hilbert, Hermann Minkowski and Ernst Zermelo. He then went to Paris and in 1911 received his doctorate in topology under the supervision of Henri Lebesgue. His thesis was titled Sur les continus irréductibles entre deux points (On the Irreducible Continuous Curves Between Two Points). In 1913, he published…
Lebesgue 2
Leçons sur l'integration et la recherche des fonctions primitives, 1904