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johndcook.com

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  • Aug 15, 2026earliest in window
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johndcook.com
johndcook.com > blog > 09/09/2026 > four-colors

A 50-year-old computer-assisted proof

5+ day, 9+ min ago   (254+ words) The idea of using computers to assist with proofs is not new. The first major computer-assisted proof was published in 1976, the proof of the four color theorem by Kenneth Appel and Wolfgang Haken. The authors reduced the proof of the…...

johndcook.com
johndcook.com > blog > 09/09/2026 > ai-multiplier

AI is an intelligence multiplier

5+ day, 52+ min ago   (257+ words) A rising tide may lift all boats, but the AI tide lifts some boats much more than others. By all accounts, the best programmers have had the biggest productivity boost from AI. And top tier mathematicians are using AI to…...

johndcook.com
johndcook.com > blog > 09/09/2026 > formal-method-revolution

The part of Navier-Stokes no one is talking about

5+ day, 2+ hour ago   (289+ words) Yesterday OpenAI announced a proof that settled a long-standing question about the Navier-Stokes equations from fluid dynamics. The announcement has created a lot of buzz, as one would expect. But there’s an aspect of OpenAI’s work that I haven’t seen…...

johndcook.com
johndcook.com > blog > 09/03/2026 > hugging-face-easter-egg

Hugging Face Easter Egg

1+ week, 3+ day ago   (142+ words) NVIDIA has offered by buy Hugging Face for $12,930,300,000. 129303 is the Unicode code point for the Hugging Face emoj (U+1F917), which you can verify with the following Python code. >>> import unicodedata >>> 129303 == 0x1F917 True >>> unicodedata.name(chr(0x1F917)) 'HUGGING FACE' Related posts Prevent characters…...

johndcook.com
johndcook.com > blog > 08/28/2026 > making-the-unnecessary-easier

Making the unnecessary easier

2+ week, 3+ day ago   (353+ words) I watched a few videos this morning, looking for ideas of what I could use AI to do. In one video, someone had an agent monitor tech news sites every 30 minutes to notify him of a variety of developments. No…...

johndcook.com
johndcook.com > blog > 08/20/2026 > ai-generated-ascii-diagrams

AI-generated ASCII diagrams

3+ week, 4+ day ago   (238+ words) I like AI-generated ASCII diagrams. Because nobody would ask AI to generate ASCII diagrams, and so, it’s congruous. I like incongruity [1]. Aside from the incongruity of using a gazillion-parameter neural network to make 1970’s style ASCII art, ASCII diagrams have…...

johndcook.com
johndcook.com > blog > 08/18/2026 > the-imbalance-theorem

The imbalance theorem

3+ week, 5+ day ago   (196+ words) The imbalance conjecture is now a theorem. James Alexander Schreib and Yousof Yavari posted a proof last week. What does the conjecture theorem say? Start with a graph G with no edge between two nodes of the same degree. Then…...