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History and philosophy of mathematics, biographies of mathematicians, mathematics education, recreational mathematics, communication of mathematics.

74 votes
3 answers
10k views

Has the mathematical content of Grothendieck's "Récoltes et Semailles" been used?

This question is partly motivated by Never appeared forthcoming papers. Motivation Grothendieck's "Récoltes et Semailles" has been cited on various occasions on this forum. See for instance the answer …
24 votes
2 answers
3k views

What has happened to Lang's Files and other political texts?

For some background on Lang and his files, one can read the first part of Lang's obituary in the AMS Notices at http://www.ams.org/notices/200605/fea-lang.pdf. The book "Challenges" was published in 1 …
12 votes
0 answers
467 views

What is the history of the notion of subdivision of categories?

A recent answer by Peter May prompts me to ask a question which I have been considering to ask for several months. (The reason why I have not asked it before is that it is not directly related to my r …
58 votes

The half-life of a theorem, or Arnold's principle at work

I am unsure it fits the OP's requirements but, in connection with Ryan Budney's most-upvoted answer regarding the rediscovery of trapezoidal method, let me recall that Grothendieck spent about three y …
Jonathan Chiche's user avatar