Monthly Archives: July 2015

285G, Lecture 1: Flows on Riemannian manifolds

Originally posted on What's new:
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 first variation formulae for how various structures…

Quote | Posted on by | Leave a comment

Cofibrations

Originally posted on Climbing Mount Bourbaki:
The idea of a cofibration will be fundamental as we talk further about homotopy theory, as will its dual idea of a fibration. The point of the cofibration condition is the following. Oftentimes, we…

Video | Posted on by | Leave a comment