Polycentricity
Polycentricity is a concept in Canadian administrative law. According to the Supreme Court of Canada in Pushpanathan v. Canada, the concept is "well known to academic commentators". The court quotes a definition, a "polycentric issue is one which involves a large number of interlocking and interacting interests and considerations", which they ascribe to the book An Introduction to Administrative Law (3rd ed. 1996), by P. Cane.