### About

### Quantum Theory, Groups and Representations

### Not Even Wrong: The Book

### Recently Modified Posts

### Recent Comments

- Various and Sundry 6

Peter Woit, tulpoeid, Peter Woit, Shantanu, Peter Woit, Anthony Reynolds - Foundations 4

Arnold Neumaier, Christoph, Peter Woit, Heiko242 - 2019 Physics Nobel Prizes Announced, John Horgan Wins 25

tulpoeid, Arnold Neumaier, martibal, Lowell Brown, Peter Shor, anon [...] - Salam: The First ****** Nobel Laureate 5

Robert Delbourgo, Anonyrat, David Derbes, Peter Woit, AcademicLurker - Various and Sundry 19

Peter Woit, Jackiw Teitelboim, no idea, Peter Woit, Wavefunction, Neville [...]

- Various and Sundry 6
### Categories

- Book Reviews (107)
- BRST (12)
- Experimental HEP News (150)
- Fake Physics (6)
- Favorite Old Posts (48)
- Film Reviews (15)
- Langlands (36)
- Multiverse Mania (153)
- Not Even Wrong: The Book (27)
- Obituaries (25)
- Quantum Mechanics (17)
- Quantum Theory: The Book (6)
- Strings 2XXX (19)
- Swampland (15)
- This Week's Hype (111)
- Uncategorized (1,178)

### Archives

### Links

### Mathematics Weblogs

- Alex Youcis
- Alexandre Borovik
- Anton Hilado
- Cathy O'Neil
- Daniel Litt
- Danny Calegari
- David Hansen
- David Mumford
- David Roberts
- Emmanuel Kowalski
- Harald Helfgott
- Jesse Johnson
- Johan deJong
- Lieven Le Bruyn
- Mathematics Without Apologies
- Michael Hutchings
- Noncommutative Geometry
- Pieter Belmans
- Qiaochu Yuan
- Quomodocumque
- Secret Blogging Seminar
- Terence Tao
- The n-Category Cafe
- Timothy Gowers

### Physics Weblogs

- Alexey Petrov
- AMVA4NewPhysics
- Andrew Jaffe
- Angry Physicist
- Capitalist Imperialist Pig
- Chad Orzel
- Clifford Johnson
- Cormac O’Raifeartaigh
- Doug Natelson
- EPMG Blog
- Georg von Hippel
- Gordon Watts
- Jackson Clarke
- Jacques Distler
- Jennifer Ouellette
- Jim Baggott
- Joe Conlon
- John Horgan
- Lubos Motl
- Mark Goodsell
- Mark Hanman
- Mateus Araujo
- Matt Strassler
- Matt von Hippel
- Matthew Buckley
- Norbert Bodendorfer
- Peter Orland
- Physics World
- Reimagine Physics
- Resonaances
- Robert Helling
- Ross McKenzie
- Sabine Hossenfelder
- Scott Aaronson
- Sesh Nadathur
- Shaun Hotchkiss
- Stacy McGaugh
- Tommaso Dorigo

### Some Web Pages

- Alain Connes
- Arthur Jaffe
- Barry Mazur
- Brian Conrad
- Brian Hall
- Cumrun Vafa
- Dan Freed
- Daniel Bump
- David Ben-Zvi
- David Nadler
- David Vogan
- Dennis Gaitsgory
- Eckhard Meinrenken
- Edward Frenkel
- Frank Wilczek
- Gerard ’t Hooft
- Greg Moore
- Hirosi Ooguri
- Ivan Fesenko
- Jacob Lurie
- John Baez
- José Figueroa-O'Farrill
- Klaas Landsman
- Laurent Fargues
- Laurent Lafforgue
- Nolan Wallach
- Peter Teichner
- Robert Langlands
- Vincent Lafforgue

### Twitter

### Videos

# Category Archives: Swampland

## Various and Sundry

A couple of mathematics items: Photographer Jessica Wynne has been taking photographs of mathematician’s blackboards, and there’s a story about this in the New York Times. Many of her photographs have been taken here at Columbia, where we happen to … Continue reading

Posted in Swampland, Uncategorized
19 Comments

## A Few Items

A few things that may be of interest: The Perimeter Institute has a new director, Rob Myers, succeeding Neil Turok. Myers is very much a mainstream theorist, and Perimeter over the years has been converging with the mainstream, from a … Continue reading

Posted in Swampland, Uncategorized
3 Comments

## This Week’s Hype (and a couple other things)

For today’s university press release designed to mislead the public with hype about string theory, Uppsala University has Our Universe: An expanding bubble in an extra dimension. It’s the Swampland variant of string theory hype, based on this preprint, which … Continue reading

Posted in Swampland, This Week's Hype, Uncategorized
2 Comments

## Last Night’s Hype

If you’re a Friend of the IAS ($1750/year and up), you were invited to a talk last night, at which IAS member Thomas Rudelius promised to explain to you How to Test String Theory. The video of the talk is … Continue reading

Posted in Swampland, This Week's Hype
3 Comments

## This Week’s Hype

The story of string theory as a theory of everything has settled into a rather bizarre steady-state, with these three recent links providing a look at where we are now: At his podcast site, Sean Carroll has an interview with … Continue reading

Posted in Swampland, This Week's Hype
14 Comments

## On Status of KKLT

(Warning, this is just more about the topic of the last posting, which for most people will be a good reason to stop reading now. On the other hand, if you’re obsessed with the controversy over string theory, you might … Continue reading

Posted in Multiverse Mania, Swampland
15 Comments

## Theorists with a Swamp, not a Theory

In recent weeks string theory has been again getting a lot of press attention, because of claims that new progress is being made in the study of the relation of string theory and the real world, via the study of … Continue reading

Posted in Swampland
15 Comments

## Strings 2018 Panel Discussion

A panel discussion at the Strings 2018 conference ended by addressing audience questions, and this seemed to me to give some insight into where string theory is now. I noticed that the Youtube video comes with an auto-generated transcript, so … Continue reading

Posted in Strings 2XXX, Swampland
18 Comments

## This Week’s Hype

New Scientist today has a feature article headlined How to think about… The multiverse The idea of an infinite multitude of universes is forced on us by physics. It starts off quoting Sean Carroll: “One of the most common misconceptions … Continue reading

Posted in Fake Physics, Multiverse Mania, Strings 2XXX, Swampland
17 Comments

## Are We In the Swampland?

Way back in 2005, soon after the emergence of the “String Landscape” and the ensuing debate over whether this made string theory untestable pseudo-science, Cumrun Vafa in response started writing about the “Swampland”. In contrast to the “Landscape” of effective … Continue reading

Posted in Swampland
21 Comments