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For questions about the history of calculus and its theoretical foundations, including topics such as continuity, differentiability, and infinite series. Related topics include questions on the history of measure theory, and some aspects of general topology and classical descriptive set theory.

7 votes
2 answers
350 views

Does anybody know the history of how Peter Gustav Lejeune Dirichlet came up with the “nowher...

So I am writing a research paper on the properties of the Dirichlet function (the function with 1 if x is rational and 0 if x is irrational), and I wanted to include some historical background on how …
serendipity456's user avatar