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 …
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.
Source code here… Generating the animation: asy grid_polar.asy
pwgen -s -y -n 10 | cat