Polymath4

There is a new draft for the paper for Polymath4. It is here. It may be submitted to Mathematics of Computation. For more information see this post.

Deolalikar’s paper

There is a a clearinghouse wiki page here. It is about a possible proof that P does not equal NP. While it is on the polymath project wiki it is not an official polymath project.

Two New Sites

There are two new StackExchange sites. One is here. It is for questions about mathematics. The other is here. It is for questions about TeX and related systems. Let me update this there is a new theoretical computer science site here.