An Overview of Petri Net Theory [video]

- Petri nets are a formal mathematical modeling language used to describe and analyze systems with concurrency (processes happening at the same time), synchronization, and resource sharing — common in computer science, manufacturing, and workflow design. - They consist of "places" (like states or buffers), "transitions" (actions or events), and "tokens" (resources or control signals) that move between places when transitions fire. - Originally developed by Carl Adam Petri in his 1962 PhD dissertation, they predate much of modern distributed computing theory. - Petri nets bridge the gap between informal diagrams (like flowcharts) and fully formal state-machine models; they are widely used to catch design errors like deadlocks or resource starvation before building a system. - The video likely introduces core concepts (markings, firing rules, reachability) and may touch on extensions like colored or timed Petri nets, which add data or time constraints.