0 votes 0 votes A minimal spanning tree in network flow models involves all the nodes with cycle/loop allowed all the nodes with cycle/loop not allowed shortest path between start and end nodes all the nodes with directed arcs Operations Research gateme-2014-set3 network-flow-models operations-research materials-manufacturing-and-industrial-engineering + – Arjun asked Feb 19, 2017 • recategorized Mar 4, 2021 by Lakshman Bhaiya ♦Arjun 28.7k points answer See all 0 reply