It is very useful to download bib entries from DBLP but the entries contains some information I dont care about, and more importantly, the cite keys that are not usable. A nice tool to clean up bib files, and also recompute entries keys is BibTool. The configuration file for bibtool is a bit of a …

# Author Archives: sariel

## Mathcal for small letters…

The standard mathcal command in LaTeX does not work for small letters. Fortunately, it is pretty easy to define an equivalent command for small letter. A minimal example is here.

## Animation using asymptote

Source code here… Generating the animation: asy grid_polar.asy

## Truly random password on linux CLI

pwgen -s -y -n 10 | cat

## Mediant

Consider two not equal and positive rational numbers \(\frac{a}{b} < \frac{c}{d}\). The number \(\frac{a+c}{b+d}\) is the mediant of the two numbers. It is not hard to verify that \(\frac{a}{b} < \frac{a+c}{b+d} < \frac{c}{d}\). This was posted to test latex handling of the new setup.

## The blog is back….

I moved to a new computer, and I forgot to backup the old blog, so it is gone. I have the old blog entries, and at some point I would post them as a static html pages somewhere. Anyway, this blog is not dead, and it is back!