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109 votes
28 answers
41k views

Why should one still teach Riemann integration?

In the introduction to chapter VIII of Dieudonné's Foundations of Modern Analysis (Volume 1 of his 13-volume Treatise on Analysis), he makes the following argument: Finally, the reader will ...
52 votes
4 answers
6k views

A historical mystery : Poincaré’s silence on Lebesgue integral and measure theory?

Lebesgue published his celebrated integral in 1901-1902. Poincaré passed away in 1912, at full mathematical power. Of course, Lebesgue and Poincaré knew each other, they even met on several occasions ...
9 votes
1 answer
557 views

Deep applications of the Pettis integral?

In the Notes section of chapter 2 of Diestel and Uhl's Vector Measures they make the comment: "Presently the Pettis integral has very few applications. But our prediction is that when (and if) ...