What are the Fundamental Structures of Concurrency?

Samson Abramsky
2006 Electronical Notes in Theoretical Computer Science  
Process algebra has been successful in many ways; but we don't yet see the lineaments of a fundamental theory. Some fleeting glimpses are sought from Petri Nets, physics and geometry.
doi:10.1016/j.entcs.2005.12.075 fatcat:jwe2dlccebe6rguycdtg2gtqwi