Tags » Diffeomorphisms

T-duality and Isometries of Spacetime

I’ve just been to an excellent seminar on Double Field Theory by its co-creator, Chris Hull. You may know that string theory exhibits a meta-symmetry called T-duality. 593 more words


Book review "Shapes and Diffeomorphisms"

I will post some reviews of books that I find useful in the course of my study. I am not sure how technical I want my reviews to be or how general and vague. 306 more words


285G, Lecture 1: Flows on Riemannian manifolds

In the first lecture, we introduce flows on Riemannian manifolds , which are recipes for describing smooth deformations of such manifolds over time, and derive the basic… 3,749 more words