Author Archives: woit

Why the Szpiro Conjecture is Still a Conjecture

Posted on April 18, 2020 by woit

There has been a remarkable discussion going on for the past couple weeks in the comment section of this blog posting, which gives a very clear picture of the problems with Mochizuki’s claimed proof of the Szpiro conjecture. These problems … Continue reading →

Posted in abc Conjecture | 39 Comments

Lucien Szpiro 1941-2020

Posted on April 18, 2020 by woit

I’m very sorry to hear (via Michael Harris) of the death this morning in Paris of Lucien Szpiro, of heart failure. Szpiro was a faculty member here at Columbia for a few years, livening up the place at a time … Continue reading →

Posted in Obituaries | 5 Comments

Latest on abc

Posted on April 3, 2020 by woit

Davide Castelvecchi at Nature has the story this morning of a press conference held earlier today at Kyoto University to announce the publication by Publications of the Research Institute for Mathematical Sciences (RIMS) of Mochizuki’s purported proof of the abc … Continue reading →

Posted in abc Conjecture | 136 Comments

Philip Anderson 1923-2020

Posted on March 30, 2020 by woit

I heard this morning about the death yesterday of Philip Anderson, at the age of 96. It’s not hard to make the case that Anderson was the most important condensed matter theorist of the twentieth century, with a huge influence … Continue reading →

Posted in Obituaries | 12 Comments

This Week’s Hype

Posted on March 25, 2020 by woit

Maybe it’s because people are at home with nothing else to do, but somehow the COVID-19 pandemic seems to be having the side-effect of generating new infections of “test of string theory” hype, a disease common many years back that … Continue reading →

Posted in Swampland, This Week's Hype | 8 Comments

Fourier Analysis Notes

Posted on March 23, 2020 by woit

This semester I’ve been teaching a course on Fourier Analysis, which has, like just about everything, been seriously disrupted by the COVID-19 situation. Several class sessions have been canceled, and future ones are supposed to resume online next week. To … Continue reading →

Posted in Uncategorized | 9 Comments

This Week’s Hype

Posted on March 20, 2020 by woit

In this disturbing time of pandemic, it’s reassuring to see that some activities continue as usual. On the string theory hype front, yesterday NASA put out a press release announcing that Chandra Data Tests ‘Theory of Everything’, which starts by … Continue reading →

Posted in This Week's Hype | 3 Comments

Penrose at The Portal

Posted on March 6, 2020 by woit

Since last summer Eric Weinstein has been running a podcast entitled The Portal, featuring a wide range of unusual and provocative discussions. A couple have had a physics theme, including one with Garrett Lisi back in December. One that I … Continue reading →

Posted in Uncategorized | 16 Comments

This Week’s Hype

Posted on February 28, 2020 by woit

Sabine Hossenfelder already has this covered, but I wanted to add a few comments about this week’s hype, a new article in Quanta magazine by Philip Ball entitled Wormholes Reveal a Way to Manipulate Black Hole Information in the Lab … Continue reading →

Posted in This Week's Hype | 32 Comments

Why String Theory Is Both A Dream And A Nightmare (as well as a swamp…)

Posted on February 26, 2020 by woit

Ethan Siegel today has a new article at Starts With a Bang, entitled Why String Theory is Both a Dream and a Nightmare. For the nightmare part, he writes: its predictions are all over the map, untestable in practice, and … Continue reading →

Posted in Swampland, Uncategorized | 6 Comments