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yufeizhao.wordpress.com | ||
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xenaproject.wordpress.com
(This is a guest post by Bhavik Mehta) On March 16, 2023, a paper by Campos, Griffiths, Morris, and Sahasrabudhe appeared on the arXiv, announcing an exponential improvement to the upper bound on Ramsey numbers, an open problem since 1935. Around the same time, posts by Terence Tao, Timothy Gowers and Gil Kalai appeared, all... |
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algorithmsoup.wordpress.com
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... |
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kristalcantwell.wordpress.com
Mini-polymath 4 has started. It is based on question 3 of the IMO. The research thread is here. There is a wiki here. |
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myinnermishmash.wordpress.com
Hey guys! :) For today, I chose to share with you quite a short Celtic harp piece played by Scottish harpist Rachel Newton, called Beinn an Eoin, which is the name of a mountain in the Scottish Highlands. https://www.youtube.com/watch?v=dULpviNMW88 |
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