My Blog

Bay Summer Solstice 2026 - Join us on the longest day of the year for a secular celebration of the summer solstice. As the sun reaches its zenith, we will celebrate warmth, light, ...

A recent experience with ChatGPT 5.5 Pro - We are all having to keep revising upwards our assessments of the mathematical capabilities of large language models. I have just made a fairly large revis...

Primitive sets and von Mangoldt chains: Erdős Problem #1196 and beyond - Boris Alexeev, Kevin Barreto, Yanyang Li, Jared Duker Lichtman, Liam Price, Jibran Iqbal Shah, Quanyu Tang, and I have just uploaded to the arXiv our paper...

Polymath News and AI - A post over “Combinatorics and More” describes Nissan Hajaj’s proposal to combine AI with polymath projects. Together with Nissan Hajaj and Ido Kaminer we ...

The Golden Rational Tetrahedra in Zome - [image: The Golden Rational Tetrahedra in Zome preview image]

Blade of the Immortal Bakumatsu Arc 07 - Act 7

Comsos : Review - [image: Cosmos]Cosmos by Carl Sagan My rating: 5 of 5 stars Carl Sagan's beautiful words transform you to outside the earth, into the cosmos and lets you ...

Irrationality Of E - Prove that e is irrational. Problem ID: 377 (17 Oct 2010) / Difficulty: 4 star