Video Lectures

Separate tags with a comma.

Generation I Planets

Yanqin Wu

A large number of close-in super-Earths have now been discovered. These planets are most likely formed while the proto-planetary disks are still alive, hence the title of this talk. I will report some recent observational results, regarding their...

TMF and SQFT

Theo Johnson-Freyd

I will describe my work, all joint with D. Gaiotto and some also joint with E. Witten, to understand the homotopy type of the space of (1+1)d N=(0,1) SQFTs --- what a condensed matter theorist would call "phases" of SQFTs. Our motivating hypothesis...

Several lines of evidence, both theoretical and observational, indicate that additional planets in the outer solar system remain to be discovered. Most recently, attention has been focused on 'Planet Nine',a few Earth mass planet with a moderate...