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divisbyzero.com
| | algorithmsoup.wordpress.com
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| | The ``probabilistic method'' is the art of applying probabilistic thinking to non-probabilistic problems. Applications of the probabilistic method often feel like magic. Here is my favorite example: Theorem (Erdös, 1965). Call a set $latex {X}&fg=000000$ sum-free if for all $latex {a, b \in X}&fg=000000$, we have $latex {a + b \not\in X}&fg=000000$. For any finite...
| | mattbaker.blog
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| | Today is the 10th anniversary of the death of Martin Gardner. His books on mathematics had a huge influence on me as a teenager, and I'm a fan of his writing on magic as well, but it was only last year that I branched out into reading some of his essays on philosophy, economics, religion,...
| | www.fas.harvard.edu
3.7 parsecs away

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| | [AI summary] The article introduces Professor Michael Puett, highlighting his role as Chair of the Committee on the Study of Religion at Harvard University.
| | kristalcantwell.wordpress.com
26.2 parsecs away

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| Mini-polymath 4 has started. It is based on question 3 of the IMO. The research thread is here. There is a wiki here.