String theory, conceptualized more than 50 years ago as a framework to explain the formation of matter, remains elusive as a “provable” phenomenon. But a team of physicists has now taken a significant ...

Read more about this honor here!

teaching Calculus I at Columbia mentoring a student on enumerative combinatorics and cyclotomic polynomials for the Directed Reading Program giving some talks on multiple Dirichlet series (at the ...

All photos are by C. J. Mozzochi, Princeton N.J., and are also available on his web page. In the galleries, click on a thumbnail photo to show it in the main window. Click on a photo to open its full ...

Igor Krichever was born in Samara (Kuyibyshev) and spent his childhood in Taganrog. His mathematical talent has become apparent quite early. Having graduated from primary school, he moved to Moscow ...

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 ...

Curt Jaimungal has a piece out, an interview with Lenny Susskind, with the title The Crisis in String Theory is Worse Than You Think…. Some of what Susskind has to say is the same as in his recent ...

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 ...

The square peg problem was posed by Otto Toeplitz in 1911. It asks whether every Jordan curve in the plane contains the vertices of a square, and it is still open to this day. I will survey the ...

I grew up in the 1960s and 70s, at a time when fundamental physics was making huge dramatic progress and Western democracies were changing in equally dramatic ways, mostly for the better. It truly did ...