My research area is numerical analysis, focusing on numerical linear algebra. For more on my research see my website.
I’ve written four books: two research monographs,
as well as
I also edited, and wrote about 100 pages of, The Princeton Companion to Applied Mathematics.
I use Emacs, LaTeX and MATLAB on Windows-based desktops and Mac laptops.
As well as this blog, I have a blog on photography and digital imaging.