Petri – petriraisanen
www.petriandwambui.com › petriPetri Räisänen (born August 13, 1967) is internationally known and respected Ashtanga Yoga teacher. Petri started practicing Ashtanga yoga in 1989 and teaching in 1991. He is co-owner and director of Ashtanga Yoga Helsinki, Finland, which he found with his friend and colleague, Juva Javanainen, in 1997. Since 2000 Petri has been teaching ...
Petri net - Wikipedia
en.wikipedia.org › wiki › Petri_netA Petri net, also known as a place/transition (PT) net, is one of several mathematicalmodeling languagesfor the description of distributed systems. It is a class of discrete event dynamic system. A Petri net is a directed bipartite graphthat has two types of elements, places and transitions, depicted as white circles and rectangles, respectively.