Archive for January, 2008

Bases in Banach Spaces

Sunday, January 6th, 2008

For a succinct introduction to bases in Banach spaces, Christopher Heil has provided A Basis Theory Primer. (The first 20 pages are a quick review of Banach space theory. The rest is devoted to bases in Banach spaces.)

Question of the Day

Friday, January 4th, 2008

If you take the category with Banach spaces as objects, and continuous linear maps that have a closed image as morphisms, then do you get an abelian category?

The Truth About Cosma

Thursday, January 3rd, 2008

Cosma Shalizi always seemed like a intelligent commentator on a broad range of topics. Now, thanks to a psychology experiment we know it’s all a lie.

Hosting the Carnival of Mathematics

Wednesday, January 2nd, 2008

We’ll be hosting the next Carnival of Mathematics, on January 11th. The previous one was hosted by The Math Less Traveled.

You can use the submission form to nominate articles, or just mention them here in the comments.