Short Proofs of Theorems of Nash-Williams and Tutte

S.Louis Hakimi 1, John Mitchem2, Edward Schmeichel 2
1 Department of Electrical and Computer Engineering University of California Davis, CA 95616
2Department of Mathematics and Computer Science San Jose State University San Jose, CA 95192

Abstract

We give short proofs of theorems of Nash-Williams (on edge-partitioning a graph into acyclic subgraphs) and of Tutte (on edge-partitioning a graph into connected subgraphs). We also show that each theorem can be easily derived from the other.