This past summer Nordita ran a program on quantum gravity, featuring lectures and panel discussions on various approaches to the subject. Lecture notes from the six mini-courses are now available here ...

It’s been taking me forever to sort out and write down the details of implications of the proposal described here. While waiting for that to be done, I thought it might be a good idea to write up one ...

Graeme Baker is an Assistant Professor with the Department of Statistics, and his research interests are in probability theory, partial differential equations, and applications of these fields. His ...

If a post-truth field of science is going to keep going, it needs to convince funders and the public that progress is being made, so there’s a continual need for people uninterested in truth and ...

There’s a new book out this week, a biography of Roger Penrose by Patchen Barss, with the title The Impossible Man: Roger Penrose and the cost of genius. Penrose is one of the greatest figures in ...

The Columbia Algebraic Geometry Seminar takes place on Fridays at 3:30 pm in 417 Mathematics Hall on the Columbia campus. All are welcome. Tea is served at 3 pm in 508 Mathematics Hall. The seminar is ...

The 3-prism is a 3-dimensional solid with 5 faces. The top and bottom are equilateral triangles, and the 3 sides are squares. Find all of the symmetries of the 3-prism. Hint: The triangles can only ...

The seminar will meet in-person, on Fridays 10:30 am to noon in Room 520. Jan 19 Romain Branchereau (McGill) Kudla-Millson lift of toric cycles and diagonal restriction of Hilbert modular forms ...

If you're coming by subway from downtown or midtown Manhattan, take the #1 or #9 train uptown and get off at the 116th Street Station (Columbia University Station). The fare is flat $2.00. Tokens and ...