In the past a lot of work has been done at Azimuth on Petri nets:
* [[Petri net]], Azimuth wiki.
Most of the above syllabus consists of consolidated references from the wiki article, plus a couple of links from this thread.
I divided it into three logical sections: Math, Applications, Simulation, plus one called General, which is really general + miscellaneous.
As we go forward, let's post references to this discussion, and then filter them down into the wiki page.