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 ...

TA's: Noah Ben Olander (nbo2104@columbia.edu), office hours Th 3-6 Anton Wu (anton.wu@columbia.edu) , office hours Th 1-3 Iris Rosenblum-Sellers (igr2102@columbia.edu), office hours MW 3-4, Zoom ID ...

There’s no reason for nature to be pretty (5:00) Working on a theory of everything is a mistake because we don’t understand quantum mechanics (8:00). These are just wrong: nature is both pretty and ...

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 ...

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 ...

The GT seminar meets on Fridays in Math 520, at 2 PM.

Algebraic geometry: singularities, deformation theory, relation of local and global moduli problems, degeneration of surfaces, projective embeddings. Computer algebra. Computer graphics. Optimization ...

Jan 19: José Simental (UNAM) "Cluster structure on braid varieties" Abstract: The braid varieties of the title are smooth affine algebraic varieties that naturally generalize important Lie-theoretic ...

I am currently a Ritt Assistant Professor at Columbia University. Previously I was a PhD student at SISSA. I obtained my PhD in 2019 from SISSA in Trieste, working under the supervision of Alexander ...