Author Archives: woit

A Mathematics AI Factory?

Posted on July 2, 2023 by woit

A few days ago I read a fascinating article in New York magazine: Inside the AI Factory, which explained how the very large business of hiring humans to do tasks that generate training data for AI works. One reaction I … Continue reading →

Posted in Uncategorized | 10 Comments

Fantasy, Faith and Physics

Posted on June 30, 2023 by woit

No blogging here the past few weeks, partly because I was away on vacation for a little while, but more because there hasn’t been anything I’ve seen worth writing about. Yesterday’s pulsar timing array and IceCube announcements unfortunately didn’t tell … Continue reading →

Posted in Uncategorized | 14 Comments

Zen University

Posted on June 6, 2023 by woit

The establishment of a new university in Japan has been announced, to be called ZEN University. One component of the new university will be the Inter Universal Geometry Center, with Fumiharu Kato as director, Ivan Fesenko as deputy director. The … Continue reading →

Posted in abc Conjecture | 17 Comments

From Quantum Mechanics to Number Theory via the Oscillator Representation

Posted on June 1, 2023 by woit

This past semester I taught our graduate class on Lie groups and representations, and spent part of the course on the Heisenberg group and the oscillator representation. Since the end of the semester I’ve been trying to clean up and … Continue reading →

Posted in Uncategorized | 3 Comments

Various and Sundry

Posted on May 30, 2023 by woit

A few unrelated items: I’ve been hearing from several people about their plans to travel to China this summer, just realized that they’re all going there for the same reason, to participate in the First International Congress of Basic Science. … Continue reading →

Posted in Uncategorized | 25 Comments

Quantum Supremacy

Posted on May 3, 2023 by woit

We’re hearing this week from two very different parts of the string theory community that quantum supremacy (quantum computers doing better than classical computers) is the answer to the challenges the subject has faced. New Scientist has an article Quantum … Continue reading →

Posted in Book Reviews, This Week's Hype, Wormhole Publicity Stunts | 29 Comments

string theory lied to us and now science communication is hard

Posted on April 27, 2023 by woit

I want to make up for linking to something featuring Michio Kaku yesterday by today linking to the exact opposite, an insightful explanation of the history of string theory, discussing the implications of how it was sold to the public. … Continue reading →

Posted in Uncategorized | 61 Comments

This Week’s Hype

Posted on April 26, 2023 by woit

According to this article, string theory is going to be tested using quantum computers, by doing a lattice QCD calculation: The way string theory is tested involves ‘lattice quantum chromodynamics’: a calculation problem far beyond what digital computers can achieve. … Continue reading →

Posted in This Week's Hype | 6 Comments

Kontsevich on the Hodge and Tate conjectures

Posted on April 26, 2023 by woit

Yesterday afternoon there was an event at CUNY featuring a panel discussion on Chern-Simons terms. Nothing new there, although it was interesting to hear first-hand from Witten the story of how he came up with the Chern-Simons-Witten theory. One piece … Continue reading →

Posted in Uncategorized | 8 Comments

Reality is a Paradox

Posted on April 12, 2023 by woit

Lex Fridman’s latest podcast features a nearly four hour long conversation with Edward Frenkel, under the title Reality is a Paradox – Mathematics, Physics, Truth & Love. Normally I’m fairly allergic to hearing mathematicians or physicists publicly sharing their wisdom … Continue reading →

Posted in Uncategorized | 13 Comments