Leiter Reports: A Philosophy Blog

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  1. Nicholas's avatar

    Grothendieck certainly changed the landscape but everything he did, whether it was representing functors, constructing new cohomology theories (and proving…

  2. Daniel Greco's avatar

    Yale isn’t running an admissions cycle this year but we’ll be thinking about how to do things next year, and…

  3. Mark's avatar
  4. Blake Myers's avatar

    Here are some more reactions from the math community on the OpenAI release: https://proofsandprompts.com/2026/10/08/100-reactions-to-100-solutions/

  5. Jason Brennan's avatar
  6. AG Tanyi's avatar

    Yes, my impression is that what is supposed to save mathematics is that its practitioners become Grothendiecks. The problem is,…

  7. Jc Beall's avatar

    Adding Michael’s and Brad’s numbers give at least 6 top-20 as measured by PGR. The original post pointed to “at…

On the perils of comparing per capita GDP: the case of Canada and the U.S.

Capitalist ideologists love per capita GDP, and it inevitably comes up in discussions of the economies of Canada and the U.S. This essay makes some important points (including that most of the higher per capita GDP in the U.S. is due to greater wealth inequality and to Americans having to work about three weeks more per year than Canadians). Another interesting case of how misleading GDP can be is Ireland.

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