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Think of a number: an update

from Xena [alt+shift+b] in AI

A month or two ago I wrote this post which expressed my frustration with various issues around private datasets as a way of measuring the mathematical abilities of language models. More generally I was frustrated about the difficulty of being … Continue reading →
16th Mar 2025

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More from Xena

FLT: Anthropic has beaten me to it

I guess technically it was revealed to the world by a coffee shop in Islington on Insta, but an hour later it was officially announced by Anthropic: one of their internal models, using the prove2.me platform, has formalized a complete … Continue reading →

3 weeks ago • 1 votes
The Annals Challenge

My team of post-docs funded by this Renaissance Philanthropy grant has constructed a dataset of 50 Lean statements, corresponding to 50 important recent mathematical theorems! The 50 theorems were all published in the Annals of Mathematics (a prestigious mathematical journal) … Continue reading →

13th Aug 2026 • 1 votes
Human mathematicians are being outcounterexampled

It’s been an interesting few weeks for counterexamples. This post is basically my perspective of what has been going on in the world of formalization, AI tools and, in particular, counterexamples. Unit distance Two months ago today (20th May 2026), … Continue reading →

20th Jul 2026 • 1 votes
Formalizing Fermat workshop

I’m organizing a workshop in London on July 6th to 10th (2026) whose goal is to work on my EPSRC-funded project formalizing Fermat’s Last theorem in Lean. The initial aim of the project was to reduce FLT to theorems known … Continue reading →

15th May 2026 • 1 votes
Accelerating mathematics

Let’s say that someone had a big pot of money, and wanted to use it to accelerate mathematical discovery. How might they go about doing this? The traditional approach Historically it has been governments who have been driving this agenda, … Continue reading →

9th Feb 2026 • 1 votes

More in AI

Post Capitalism

You know we don’t have to do this anymore, right? Like it’s hitting the end. Most people don’t want this, and there will only be so long you can keep shoving it down their throats. Money is tied to nothing. American companies sell equity instead of products. The main narratives are pushing fear and resentment. This doesn’t last. Given that you know it’s over soon, ask yourself what kind of person you want to be in the mean time. I haven’t forgotten the people who pushed the Iraq war, climate change, wokism, the satanic panic, and COVID. I will not forget the people who push AI doom, particularly if you did it knowingly to drive attention to your bullshit. It’s interesting how it isn’t working as well as it used to. So now think, when the world (obviously) doesn’t end, are you doing what you want to be remembered for? The Internet will not forget. Everything will be revealed. And you will be judged accordingly. If AI goes well, in 20 years, you’ll be able to live very comfortably off the grid without any recurring expense. No rent, no electric bill, no water bill, no security bill, and no food bill. And if AI doesn’t go well, that’s what these people took from you.

21 hours ago • 1 votes
The Business of Building God

a look at the changing economics of AI labs

a week ago • 1 votes
It’s Been a Minute

I’ve been meaning to write about *all of this*.

a week ago • 1 votes
The Overhang

Using your deep knowledge, wide knowledge, taste, and agency

a week ago
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